Mercurial > octave
annotate libinterp/corefcn/file-io.cc @ 30390:a61e1a0f6024 stable
maint: style check C++ files in libinterp/ ahead of 7.1 release.
* Cell.cc, __eigs__.cc, __ichol__.cc, __ilu__.cc, __magick_read__.cc,
__qp__.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.h, ccolamd.cc, cellfun.cc,
data.cc, debug.cc, defun-int.h, dlmread.cc, event-manager.cc, fftn.cc,
file-io.cc, ft-text-renderer.cc, gl2ps-print.cc, graphics.cc, graphics.in.h,
gzfstream.cc, gzfstream.h, jsondecode.cc, jsonencode.cc,
latex-text-renderer.cc, ls-mat5.cc, lu.cc, mex.cc, oct-stream.cc,
oct-strstrm.cc, ordqz.cc, pager.h, pr-output.cc, qz.cc, schur.cc,
sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, stack-frame.h, strfns.cc, svd.cc,
symrcm.cc, symscope.h, sysdep.cc, text-engine.h, text-renderer.h, tril.cc,
variables.h, xdiv.h, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc,
__voronoi__.cc, audiodevinfo.cc, cdef-class.cc, cdef-class.h, cdef-manager.cc,
cdef-manager.h, cdef-method.cc, cdef-object.cc, ov-base-diag.cc,
ov-base-diag.h, ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h,
ov-base-scalar.h, ov-base-sparse.cc, ov-base-sparse.h, ov-base.h,
ov-bool-mat.cc, ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h, ov-dld-fcn.cc,
ov-intx.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-mex-fcn.h, ov-perm.cc, ov-perm.h,
ov-range.cc, ov-re-mat.cc, ov-re-mat.h, ov-str-mat.h, ov-struct.cc,
ov-typeinfo.h, ov-usr-fcn.cc, ov.h, parse.h, pt-cell.cc, pt-stmt.cc,
pt-tm-const.cc, pt-walk.cc:
Style check C++ files in libinterp/ ahead of 7.1 release.
author | Rik <rik@octave.org> |
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date | Sun, 28 Nov 2021 21:52:08 -0800 |
parents | 4b31fe078a5e |
children | fe6d1711feea 796f54d4ddbf |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1993-2021 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
1 | 25 |
2095 | 26 // Originally written by John C. Campbell <jcc@bevo.che.wisc.edu> |
1230 | 27 // |
2095 | 28 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of |
29 // the following functions: | |
1230 | 30 // |
2095 | 31 // popen |
32 // pclose | |
33 // execute (now popen2.m) | |
34 // sync_system (now merged with system) | |
35 // async_system (now merged with system) | |
1230 | 36 |
9322 | 37 // Extensively revised by John W. Eaton <jwe@octave.org>, |
2095 | 38 // April 1996. |
1 | 39 |
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40 #if defined (HAVE_CONFIG_H) |
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41 # include "config.h" |
1 | 42 #endif |
43 | |
4797 | 44 #include <cerrno> |
45 #include <cstdio> | |
1343 | 46 |
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47 #include <iomanip> |
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48 #include <string> |
1350 | 49 |
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50 #if defined (HAVE_ZLIB_H) |
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51 # include <zlib.h> |
5325 | 52 #endif |
53 | |
2926 | 54 #include "file-ops.h" |
6159 | 55 #include "file-stat.h" |
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56 #include "iconv-wrappers.h" |
5102 | 57 #include "lo-ieee.h" |
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58 #include "lo-sysdep.h" |
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59 #include "localcharset-wrapper.h" |
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60 #include "mkostemp-wrapper.h" |
6159 | 61 #include "oct-env.h" |
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62 #include "oct-locbuf.h" |
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63 #include "tmpfile-wrapper.h" |
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64 #include "unistd-wrappers.h" |
2926 | 65 |
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66 #include "builtin-defun-decls.h" |
1352 | 67 #include "defun.h" |
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68 #include "error.h" |
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69 #include "errwarn.h" |
6108 | 70 #include "file-io.h" |
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71 #include "interpreter-private.h" |
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72 #include "interpreter.h" |
6159 | 73 #include "load-path.h" |
2095 | 74 #include "oct-fstrm.h" |
75 #include "oct-iostrm.h" | |
1377 | 76 #include "oct-map.h" |
2095 | 77 #include "oct-prcstrm.h" |
78 #include "oct-stream.h" | |
79 #include "oct-strstrm.h" | |
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80 #include "ov.h" |
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81 #include "ovl.h" |
1 | 82 #include "pager.h" |
444 | 83 #include "sysdep.h" |
1352 | 84 #include "utils.h" |
2370 | 85 #include "variables.h" |
1583 | 86 |
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87 OCTAVE_NAMESPACE_BEGIN |
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88 |
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89 static void |
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90 normalize_fopen_mode (std::string& mode, bool& use_zlib) |
1 | 91 { |
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92 use_zlib = false; |
896 | 93 |
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94 if (! mode.empty ()) |
368 | 95 { |
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96 // Matlab uses 'A' and 'W' to indicate that buffered writing should |
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97 // take place. Octave already does that. Theoretically, we should |
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98 // warn about using 'a', 'r', or 'w' because Octave does not enable |
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99 // automatic flushing with these modes. The performance hit is ~4X |
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100 // when using automatic flushing and seems completely unnecessary. |
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101 // See bug #52644. |
7078 | 102 |
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103 std::size_t pos = mode.find ('W'); |
7078 | 104 |
8021 | 105 if (pos != std::string::npos) |
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106 mode[pos] = 'w'; |
7078 | 107 |
108 pos = mode.find ('R'); | |
109 | |
8021 | 110 if (pos != std::string::npos) |
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111 mode[pos] = 'r'; |
7078 | 112 |
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113 pos = mode.find ('A'); |
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114 |
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115 if (pos != std::string::npos) |
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116 mode[pos] = 'a'; |
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117 |
7078 | 118 pos = mode.find ('z'); |
5325 | 119 |
8021 | 120 if (pos != std::string::npos) |
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121 { |
5325 | 122 #if defined (HAVE_ZLIB) |
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123 use_zlib = true; |
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124 mode.erase (pos, 1); |
5325 | 125 #else |
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126 err_disabled_feature ("", "gzipped files (zlib)"); |
5325 | 127 #endif |
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128 } |
5325 | 129 |
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130 // Use binary mode if 't' is not specified, but don't add |
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131 // 'b' if it is already present. |
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132 |
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133 std::size_t bpos = mode.find ('b'); |
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134 std::size_t tpos = mode.find ('t'); |
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135 |
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136 if (bpos == std::string::npos && tpos == std::string::npos) |
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137 mode += 'b'; |
1 | 138 } |
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139 } |
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140 |
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141 static std::ios::openmode |
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142 fopen_mode_to_ios_mode (const std::string& mode) |
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143 { |
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144 std::ios::openmode retval = std::ios::in; |
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145 |
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146 if (mode == "rt") |
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147 retval = std::ios::in; |
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148 else if (mode == "wt") |
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149 retval = std::ios::out | std::ios::trunc; |
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150 else if (mode == "at") |
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151 retval = std::ios::out | std::ios::app; |
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152 else if (mode == "r+t" || mode == "rt+") |
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153 retval = std::ios::in | std::ios::out; |
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154 else if (mode == "w+t" || mode == "wt+") |
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155 retval = std::ios::in | std::ios::out | std::ios::trunc; |
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156 else if (mode == "a+t" || mode == "at+") |
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157 retval = std::ios::in | std::ios::out | std::ios::app; |
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158 else if (mode == "rb" || mode == "r") |
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159 retval = std::ios::in | std::ios::binary; |
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160 else if (mode == "wb" || mode == "w") |
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161 retval = std::ios::out | std::ios::trunc | std::ios::binary; |
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162 else if (mode == "ab" || mode == "a") |
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163 retval = std::ios::out | std::ios::app | std::ios::binary; |
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164 else if (mode == "r+b" || mode == "rb+" || mode == "r+") |
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165 retval = std::ios::in | std::ios::out | std::ios::binary; |
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166 else if (mode == "w+b" || mode == "wb+" || mode == "w+") |
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167 retval = (std::ios::in | std::ios::out | std::ios::trunc |
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168 | std::ios::binary); |
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169 else if (mode == "a+b" || mode == "ab+" || mode == "a+") |
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170 retval = (std::ios::in | std::ios::out | std::ios::app |
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171 | std::ios::binary); |
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172 else |
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173 error ("invalid mode specified"); |
1 | 174 |
175 return retval; | |
176 } | |
177 | |
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178 DEFMETHOD (fclose, interp, args, , |
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179 doc: /* -*- texinfo -*- |
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180 @deftypefn {} {} fclose (@var{fid}) |
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181 @deftypefnx {} {} fclose ("all") |
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182 @deftypefnx {} {@var{status} =} fclose ("all") |
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183 Close the file specified by the file descriptor @var{fid}. |
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184 |
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185 If successful, @code{fclose} returns 0, otherwise, it returns -1. The |
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186 second form of the @code{fclose} call closes all open files except |
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187 @code{stdin}, @code{stdout}, @code{stderr}, and any FIDs associated |
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188 with gnuplot. |
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189 @seealso{fopen, fflush, freport} |
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190 @end deftypefn */) |
529 | 191 { |
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192 if (args.length () != 1) |
5823 | 193 print_usage (); |
1 | 194 |
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195 stream_list& streams = interp.get_stream_list (); |
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196 |
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197 return ovl (streams.remove (args(0), "fclose")); |
1 | 198 } |
199 | |
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200 DEFMETHOD (fclear, interp, args, , |
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201 doc: /* -*- texinfo -*- |
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202 @deftypefn {} {} fclear (@var{fid}) |
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203 Clear the stream state for the file specified by the file descriptor |
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204 @var{fid}. |
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205 @seealso{ferror, fopen} |
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206 @end deftypefn */) |
5144 | 207 { |
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208 if (args.length () != 1) |
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209 print_usage (); |
5144 | 210 |
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211 stream_list& streams = interp.get_stream_list (); |
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212 |
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213 int fid = streams.get_file_number (args(0)); |
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214 |
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215 stream os = streams.lookup (fid, "fclear"); |
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216 |
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217 os.clearerr (); |
5144 | 218 |
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219 return ovl (); |
5144 | 220 } |
221 | |
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222 DEFMETHOD (fflush, interp, args, , |
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223 doc: /* -*- texinfo -*- |
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224 @deftypefn {} {} fflush (@var{fid}) |
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225 Flush output to file descriptor @var{fid}. |
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226 |
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227 @code{fflush} returns 0 on success and an OS dependent error value |
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228 (@minus{}1 on Unix) on error. |
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229 |
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230 Programming Note: Flushing is useful for ensuring that all pending output |
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231 makes it to the screen before some other event occurs. For example, it is |
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232 always a good idea to flush the standard output stream before calling |
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233 @code{input}. |
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234 @seealso{fopen, fclose} |
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235 @end deftypefn */) |
1181 | 236 { |
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237 if (args.length () != 1) |
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238 print_usage (); |
1181 | 239 |
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240 octave_value retval = -1; |
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241 |
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242 stream_list& streams = interp.get_stream_list (); |
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243 |
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244 // FIXME: any way to avoid special case for stdout? |
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245 int fid = streams.get_file_number (args(0)); |
2095 | 246 |
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247 if (fid == 1) |
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248 { |
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249 flush_stdout (); |
2609 | 250 |
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251 retval = 0; |
2095 | 252 } |
253 else | |
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254 { |
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255 stream os = streams.lookup (fid, "fflush"); |
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256 |
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257 retval = os.flush (); |
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258 } |
1181 | 259 |
260 return retval; | |
261 } | |
262 | |
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263 DEFMETHOD (fgetl, interp, args, , |
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264 doc: /* -*- texinfo -*- |
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265 @deftypefn {} {@var{str} =} fgetl (@var{fid}) |
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266 @deftypefnx {} {@var{str} =} fgetl (@var{fid}, @var{len}) |
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267 Read characters from a file, stopping after a newline, or EOF, |
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268 or @var{len} characters have been read. |
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269 |
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270 The characters read, excluding the possible trailing newline, are returned |
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271 as a string. |
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272 |
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273 If @var{len} is omitted, @code{fgetl} reads until the next newline |
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274 character. |
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275 |
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276 If there are no more characters to read, @code{fgetl} returns @minus{}1. |
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277 |
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278 To read a line and return the terminating newline, |
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279 @pxref{XREFfgets,,@code{fgets}}. |
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280 @seealso{fgets, fscanf, fread, fopen} |
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281 @end deftypefn */) |
1339 | 282 { |
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283 static const std::string who = "fgetl"; |
4468 | 284 |
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285 int nargin = args.length (); |
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286 |
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287 if (nargin < 1 || nargin > 2) |
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288 print_usage (); |
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289 |
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290 stream_list& streams = interp.get_stream_list (); |
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291 |
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292 stream os = streams.lookup (args(0), who); |
1339 | 293 |
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294 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
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296 bool err = false; |
2095 | 297 |
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298 std::string tmp = os.getl (len_arg, err, who); |
2095 | 299 |
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300 if (! err) |
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301 return ovl (tmp, tmp.length ()); |
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302 else |
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303 return ovl (-1, 0); |
1339 | 304 } |
305 | |
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306 DEFMETHOD (fgets, interp, args, , |
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307 doc: /* -*- texinfo -*- |
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308 @deftypefn {} {@var{str} =} fgets (@var{fid}) |
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309 @deftypefnx {} {@var{str} =} fgets (@var{fid}, @var{len}) |
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310 Read characters from a file, stopping after a newline, or EOF, |
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311 or @var{len} characters have been read. |
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312 |
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313 The characters read, including the possible trailing newline, are returned |
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314 as a string. |
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315 |
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316 If @var{len} is omitted, @code{fgets} reads until the next newline |
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317 character. |
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318 |
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319 If there are no more characters to read, @code{fgets} returns @minus{}1. |
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320 |
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321 To read a line and discard the terminating newline, |
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322 @pxref{XREFfgetl,,@code{fgetl}}. |
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323 @seealso{fputs, fgetl, fscanf, fread, fopen} |
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324 @end deftypefn */) |
529 | 325 { |
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326 static const std::string who = "fgets"; |
4468 | 327 |
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328 int nargin = args.length (); |
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329 |
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330 if (nargin < 1 || nargin > 2) |
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331 print_usage (); |
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332 |
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333 stream_list& streams = interp.get_stream_list (); |
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334 |
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335 stream os = streams.lookup (args(0), who); |
529 | 336 |
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337 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
2095 | 338 |
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339 bool err = false; |
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341 std::string tmp = os.gets (len_arg, err, who); |
2095 | 342 |
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343 if (! err) |
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344 return ovl (tmp, tmp.length ()); |
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345 else |
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346 return ovl (-1.0, 0.0); |
529 | 347 } |
348 | |
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349 DEFMETHOD (fskipl, interp, args, , |
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350 doc: /* -*- texinfo -*- |
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351 @deftypefn {} {@var{nlines} =} fskipl (@var{fid}) |
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352 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, @var{count}) |
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353 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, Inf) |
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354 Read and skip @var{count} lines from the file specified by the file |
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355 descriptor @var{fid}. |
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356 |
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357 @code{fskipl} discards characters until an end-of-line is encountered |
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358 exactly @var{count}-times, or until the end-of-file marker is found. |
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359 |
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360 If @var{count} is omitted, it defaults to 1. @var{count} may also be |
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361 @code{Inf}, in which case lines are skipped until the end of the file. |
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362 This form is suitable for counting the number of lines in a file. |
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363 |
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364 Returns the number of lines skipped (end-of-line sequences encountered). |
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365 @seealso{fgetl, fgets, fscanf, fopen} |
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366 @end deftypefn */) |
9701 | 367 { |
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368 static const std::string who = "fskipl"; |
9701 | 369 |
370 int nargin = args.length (); | |
371 | |
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372 if (nargin < 1 || nargin > 2) |
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373 print_usage (); |
9701 | 374 |
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375 stream_list& streams = interp.get_stream_list (); |
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376 |
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377 stream os = streams.lookup (args(0), who); |
9701 | 378 |
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379 octave_value count_arg = (nargin == 2) ? args(1) : octave_value (); |
9701 | 380 |
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381 bool err = false; |
9701 | 382 |
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383 off_t tmp = os.skipl (count_arg, err, who); |
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384 |
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385 if (! err) |
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386 return ovl (tmp); |
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387 else |
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388 return ovl (); |
9701 | 389 } |
390 | |
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391 static stream |
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392 do_stream_open (const std::string& name, const std::string& mode_arg, |
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393 const std::string& arch, std::string encoding, int& fid) |
1 | 394 { |
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395 stream retval; |
1 | 396 |
2095 | 397 fid = -1; |
1 | 398 |
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399 // Valid names for encodings consist of ASCII characters only. |
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400 std::transform (encoding.begin (), encoding.end (), encoding.begin (), |
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401 ::tolower); |
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402 if (encoding.compare ("utf-8")) |
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403 { |
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404 // check if encoding is valid |
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405 void *codec = octave_iconv_open_wrapper (encoding.c_str (), "utf-8"); |
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406 if (codec == reinterpret_cast<void *> (-1)) |
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407 { |
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408 if (errno == EINVAL) |
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409 error ("fopen: conversion from codepage '%s' not supported", |
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410 encoding.c_str ()); |
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411 } |
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412 else |
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413 octave_iconv_close_wrapper (codec); |
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414 } |
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415 |
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416 std::string mode = mode_arg; |
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417 bool use_zlib = false; |
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418 normalize_fopen_mode (mode, use_zlib); |
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419 |
4036 | 420 std::ios::openmode md = fopen_mode_to_ios_mode (mode); |
1 | 421 |
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422 mach_info::float_format flt_fmt |
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423 = mach_info::string_to_float_format (arch); |
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424 |
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425 std::string fname = sys::file_ops::tilde_expand (name); |
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426 |
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427 sys::file_stat fs (fname); |
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428 |
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429 if (! (md & std::ios::out)) |
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430 fname = find_data_file_in_load_path ("fopen", fname); |
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431 |
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432 if (! fs.is_dir ()) |
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433 { |
6905 | 434 #if defined (HAVE_ZLIB) |
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435 if (use_zlib) |
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436 { |
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437 FILE *fptr = sys::fopen (fname.c_str (), mode.c_str ()); |
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438 |
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439 if (fptr) |
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440 { |
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441 int fd = fileno (fptr); |
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442 |
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443 gzFile gzf = ::gzdopen (fd, mode.c_str ()); |
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444 |
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445 retval = zstdiostream::create (fname, gzf, fd, md, flt_fmt, |
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446 encoding); |
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447 } |
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448 else |
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449 retval.error (std::strerror (errno)); |
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450 } |
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451 else |
5325 | 452 #endif |
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453 { |
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454 FILE *fptr = sys::fopen (fname, mode); |
5370 | 455 |
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456 retval = stdiostream::create (fname, fptr, md, flt_fmt, encoding); |
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457 |
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458 if (! fptr) |
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459 retval.error (std::strerror (errno)); |
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460 } |
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461 |
1 | 462 } |
463 | |
2095 | 464 return retval; |
465 } | |
1 | 466 |
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467 static stream |
2095 | 468 do_stream_open (const octave_value& tc_name, const octave_value& tc_mode, |
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469 const octave_value& tc_arch, const octave_value& tc_encoding, |
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470 const char *fcn, int& fid) |
2095 | 471 { |
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472 stream retval; |
2095 | 473 |
474 fid = -1; | |
475 | |
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476 std::string name = tc_name.xstring_value ("%s: filename must be a string", fcn); |
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477 std::string mode = tc_mode.xstring_value ("%s: file mode must be a string", fcn); |
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478 std::string arch = tc_arch.xstring_value ("%s: architecture type must be a string", fcn); |
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479 std::string encoding = tc_encoding.xstring_value ("%s: ENCODING must be a string", fcn); |
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480 |
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481 retval = do_stream_open (name, mode, arch, encoding, fid); |
1 | 482 |
483 return retval; | |
484 } | |
485 | |
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486 DEFMETHOD (fopen, interp, args, nargout, |
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487 doc: /* -*- texinfo -*- |
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488 @deftypefn {} {@var{fid} =} fopen (@var{name}) |
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489 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}) |
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490 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}) |
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491 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}, @var{encoding}) |
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492 @deftypefnx {} {[@var{fid}, @var{msg}] =} fopen (@dots{}) |
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493 @deftypefnx {} {@var{fid_list} =} fopen ("all") |
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494 @deftypefnx {} {[@var{file}, @var{mode}, @var{arch}, @var{encoding}] =} fopen (@var{fid}) |
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495 Open a file for low-level I/O or query open files and file descriptors. |
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496 |
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497 The first form of the @code{fopen} function opens the named file with |
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498 the specified mode (read-write, read-only, etc.@:), architecture |
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499 interpretation (IEEE big endian, IEEE little endian, etc.@:) and file encoding, |
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500 and returns an integer value that may be used to refer to the file later. If |
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501 an error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the |
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502 corresponding system error message. The @var{mode} is a one or two |
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503 character string that specifies whether the file is to be opened for |
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504 reading, writing, or both. The @var{encoding} is a character string with a |
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505 valid encoding identifier. This encoding is used when strings are read from |
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506 or written to the file. By default, the same encoding specified for reading |
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507 @file{.m} files is used for interpreting user files. |
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508 |
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509 The second form of the @code{fopen} function returns a vector of file ids |
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510 corresponding to all the currently open files, excluding the |
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511 @code{stdin}, @code{stdout}, and @code{stderr} streams. |
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512 |
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513 The third form of the @code{fopen} function returns information about the |
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514 open file given its file id. |
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515 |
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516 For example, |
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517 |
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518 @example |
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519 myfile = fopen ("splat.dat", "r", "ieee-le"); |
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520 @end example |
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521 |
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522 @noindent |
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523 opens the file @file{splat.dat} for reading. If necessary, binary |
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524 numeric values will be read assuming they are stored in IEEE format with |
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525 the least significant bit first, and then converted to the native |
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526 representation. |
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527 |
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528 Opening a file that is already open simply opens it again and returns a |
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529 separate file id. It is not an error to open a file several times, |
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530 though writing to the same file through several different file ids may |
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531 produce unexpected results. |
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532 |
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533 The possible values of @var{mode} are |
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534 |
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535 @table @asis |
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536 @item @samp{r} (default) |
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537 Open a file for reading. |
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538 |
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539 @item @samp{w} |
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540 Open a file for writing. The previous contents are discarded. |
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541 |
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542 @item @samp{a} |
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543 Open or create a file for writing at the end of the file. |
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544 |
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545 @item @samp{r+} |
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546 Open an existing file for reading and writing. |
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547 |
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548 @item @samp{w+} |
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549 Open a file for reading or writing. The previous contents are |
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550 discarded. |
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551 |
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552 @item @samp{a+} |
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553 Open or create a file for reading or writing at the end of the |
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554 file. |
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555 @end table |
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556 |
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557 Append a @qcode{"t"} to the mode string to open the file in text mode or a |
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558 @qcode{"b"} to open in binary mode. On Windows systems, |
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559 text mode reading and writing automatically converts linefeeds to the |
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560 appropriate line end character for the system (carriage-return linefeed on |
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561 Windows). The default when no mode is specified is binary. |
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562 |
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563 Additionally, you may append a @qcode{"z"} to the mode string to open a |
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564 gzipped file for reading or writing. For this to be successful, you |
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565 must also open the file in binary mode. |
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566 |
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567 The parameter @var{arch} is a string specifying the default data format |
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568 for the file. Valid values for @var{arch} are: |
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569 |
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570 @table @asis |
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571 @item @qcode{"native"} or @qcode{"n"} (default) |
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572 The format of the current machine. |
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573 |
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574 @item @qcode{"ieee-be"} or @qcode{"b"} |
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575 IEEE big endian format. |
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576 |
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577 @item @qcode{"ieee-le"} or @qcode{"l"} |
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578 IEEE little endian format. |
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579 @end table |
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580 |
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581 When opening a new file that does not yet exist, permissions will be set to |
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582 @code{0666 - @var{umask}}. |
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583 |
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584 Compatibility Note: Octave opens files using buffered I/O. Small writes are |
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585 accumulated until an internal buffer is filled, and then everything is written |
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586 in a single operation. This is very efficient and improves performance. |
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587 @sc{matlab}, however, opens files using flushed I/O where every write operation |
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588 is immediately performed. If the write operation must be performed immediately |
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589 after data has been written then the write should be followed by a call to |
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590 @code{fflush} to flush the internal buffer. |
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591 @seealso{fclose, fgets, fgetl, fscanf, fread, fputs, fdisp, fprintf, fwrite, |
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592 fskipl, fseek, frewind, ftell, feof, ferror, fclear, fflush, freport, umask} |
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593 @end deftypefn */) |
529 | 594 { |
595 int nargin = args.length (); | |
596 | |
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597 if (nargin < 1 || nargin > 4) |
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598 print_usage (); |
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599 |
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600 octave_value_list retval = ovl (-1.0); |
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601 |
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602 stream_list& streams = interp.get_stream_list (); |
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603 |
2095 | 604 if (nargin == 1) |
605 { | |
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606 if (args(0).is_string ()) |
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607 { |
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608 // If there is only one argument and it is a string but it |
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609 // is not the string "all", we assume it is a file to open |
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610 // with MODE = "r". To open a file called "all", you have |
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611 // to supply more than one argument. |
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612 if (nargout < 2 && args(0).string_value () == "all") |
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613 return streams.open_file_numbers (); |
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614 } |
2095 | 615 else |
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616 { |
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617 string_vector tmp = streams.get_info (args(0)); |
529 | 618 |
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619 retval = ovl (tmp(0), tmp(1), tmp(2), tmp(3)); |
3263 | 620 |
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621 return retval; |
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622 } |
1 | 623 } |
624 | |
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625 octave_value mode = (nargin > 1) ? args(1) : octave_value ("r"); |
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626 |
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627 octave_value arch = (nargin > 2) ? args(2) : octave_value ("native"); |
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628 |
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629 input_system& input_sys = interp.get_input_system (); |
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630 octave_value encoding = (nargin > 3) ? args(3) |
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631 : octave_value (input_sys.mfile_encoding ()); |
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632 if (encoding.string_value () == "system") |
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633 encoding = octave_value (octave_locale_charset_wrapper ()); |
2095 | 634 |
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635 int fid = -1; |
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636 |
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637 stream os = do_stream_open (args(0), mode, arch, encoding, "fopen", |
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638 fid); |
5370 | 639 |
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640 if (os) |
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641 retval = ovl (streams.insert (os), ""); |
2095 | 642 else |
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643 { |
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644 int error_number = 0; |
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645 |
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646 retval = ovl (-1.0, os.error (false, error_number)); |
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647 } |
1 | 648 |
649 return retval; | |
650 } | |
651 | |
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652 /* |
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653 ## Further tests are in io.tst |
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654 %!test # Uses hardcoded value of 1 for stdout |
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655 %! [name, mode, arch, encoding] = fopen (1); |
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656 %! assert (name, "stdout"); |
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657 %! assert (mode, "w"); |
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658 %! assert (encoding, "utf-8"); |
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659 |
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660 %!test # Query of non-existent stream returns all "" |
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661 %! [name, mode, arch] = fopen (-1); |
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662 %! assert (name, ""); |
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663 %! assert (mode, ""); |
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664 %! assert (arch, ""); |
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665 */ |
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666 |
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667 DEFMETHOD (freport, interp, args, , |
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668 doc: /* -*- texinfo -*- |
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669 @deftypefn {} {} freport () |
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670 Print a list of which files have been opened, and whether they are open |
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671 for reading, writing, or both. |
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672 |
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673 For example: |
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674 |
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675 @example |
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676 @group |
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677 freport () |
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678 |
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679 @print{} number mode arch name |
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680 @print{} ------ ---- ---- ---- |
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681 @print{} 0 r ieee-le stdin |
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682 @print{} 1 w ieee-le stdout |
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683 @print{} 2 w ieee-le stderr |
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684 @print{} 3 r ieee-le myfile |
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685 @end group |
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686 @end example |
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687 @seealso{fopen, fclose, is_valid_file_id} |
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688 @end deftypefn */) |
1181 | 689 { |
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690 if (args.length () > 0) |
1181 | 691 warning ("freport: ignoring extra arguments"); |
692 | |
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693 stream_list& streams = interp.get_stream_list (); |
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694 |
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695 octave_stdout << streams.list_open_files (); |
1181 | 696 |
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697 return ovl (); |
1181 | 698 } |
699 | |
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700 DEFMETHOD (frewind, interp, args, nargout, |
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701 doc: /* -*- texinfo -*- |
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702 @deftypefn {} {} frewind (@var{fid}) |
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703 @deftypefnx {} {@var{status} =} frewind (@var{fid}) |
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704 Move the file pointer to the beginning of the file specified by file |
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705 descriptor @var{fid}. |
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706 |
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707 @code{frewind} returns 0 for success, and -1 if an error is encountered. It |
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708 is equivalent to @code{fseek (@var{fid}, 0, SEEK_SET)}. |
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709 @seealso{fseek, ftell, fopen} |
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710 @end deftypefn */) |
529 | 711 { |
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712 if (args.length () != 1) |
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713 print_usage (); |
506 | 714 |
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715 int result = -1; |
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716 |
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717 stream_list& streams = interp.get_stream_list (); |
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718 |
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719 stream os = streams.lookup (args(0), "frewind"); |
636 | 720 |
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721 result = os.rewind (); |
1 | 722 |
4715 | 723 if (nargout > 0) |
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724 return ovl (result); |
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725 else |
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726 return ovl (); |
1 | 727 } |
728 | |
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729 DEFMETHOD (fseek, interp, args, , |
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730 doc: /* -*- texinfo -*- |
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731 @deftypefn {} {} fseek (@var{fid}, @var{offset}) |
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732 @deftypefnx {} {} fseek (@var{fid}, @var{offset}, @var{origin}) |
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733 @deftypefnx {} {@var{status} =} fseek (@dots{}) |
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734 Set the file pointer to the location @var{offset} within the file @var{fid}. |
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735 |
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736 The pointer is positioned @var{offset} characters from the @var{origin}, which |
25454
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737 may be one of the predefined variables @w{@qcode{SEEK_SET}} (beginning), |
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738 @w{@qcode{SEEK_CUR}} (current position), or @w{@qcode{SEEK_END}} (end of file) |
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739 or strings @nospell{@qcode{"bof"}}, @nospell{@qcode{"cof"}}, or |
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740 @nospell{@qcode{"eof"}}. If @var{origin} is omitted, @w{@qcode{SEEK_SET}} is |
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741 assumed. @var{offset} may be positive, negative, or zero but not all |
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742 combinations of @var{origin} and @var{offset} can be realized. |
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743 |
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744 @code{fseek} returns 0 on success and -1 on error. |
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745 @seealso{fskipl, frewind, ftell, fopen, SEEK_SET, SEEK_CUR, SEEK_END} |
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746 @end deftypefn */) |
529 | 747 { |
748 int nargin = args.length (); | |
749 | |
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750 if (nargin < 2 || nargin > 3) |
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751 print_usage (); |
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752 |
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753 stream_list& streams = interp.get_stream_list (); |
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754 |
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755 stream os = streams.lookup (args(0), "fseek"); |
1181 | 756 |
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757 octave_value origin_arg = (nargin == 3) ? args(2) : octave_value (-1.0); |
1 | 758 |
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759 return ovl (os.seek (args(1), origin_arg)); |
1 | 760 } |
761 | |
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762 DEFMETHOD (ftell, interp, args, , |
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763 doc: /* -*- texinfo -*- |
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764 @deftypefn {} {@var{pos} =} ftell (@var{fid}) |
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765 Return the position of the file pointer as the number of characters from the |
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766 beginning of the file specified by file descriptor @var{fid}. |
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767 @seealso{fseek, frewind, feof, fopen} |
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768 @end deftypefn */) |
1181 | 769 { |
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770 if (args.length () != 1) |
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771 print_usage (); |
506 | 772 |
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773 stream_list& streams = interp.get_stream_list (); |
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774 |
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775 stream os = streams.lookup (args(0), "ftell"); |
1 | 776 |
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777 return ovl (os.tell ()); |
1 | 778 } |
779 | |
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780 static octave_value_list |
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781 printf_internal (interpreter& interp, const std::string& who, |
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782 const octave_value_list& args, int nargout) |
1181 | 783 { |
784 int nargin = args.length (); | |
785 | |
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786 if (! (nargin > 1 || (nargin > 0 && args(0).is_string ()))) |
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787 print_usage (); |
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788 |
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789 int result; |
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790 |
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791 stream os; |
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792 int fmt_n = 0; |
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793 |
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794 stream_list& streams = interp.get_stream_list (); |
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795 |
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796 if (args(0).is_string ()) |
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797 os = streams.lookup (1, who); |
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798 else |
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799 { |
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800 fmt_n = 1; |
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801 os = streams.lookup (args(0), who); |
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802 } |
2873 | 803 |
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804 if (! args(fmt_n).is_string ()) |
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805 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
1181 | 806 |
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807 octave_value_list tmp_args; |
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808 |
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809 if (nargin > 1 + fmt_n) |
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810 { |
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811 tmp_args.resize (nargin-fmt_n-1, octave_value ()); |
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812 |
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813 for (int i = fmt_n + 1; i < nargin; i++) |
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|
814 tmp_args(i-fmt_n-1) = args(i); |
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815 } |
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816 |
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817 result = os.printf (args(fmt_n), tmp_args, who); |
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818 |
4715 | 819 if (nargout > 0) |
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|
820 return ovl (result); |
20918
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821 else |
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|
822 return ovl (); |
1181 | 823 } |
824 | |
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825 DEFMETHOD (fprintf, interp, args, nargout, |
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826 doc: /* -*- texinfo -*- |
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827 @deftypefn {} {} fprintf (@var{fid}, @var{template}, @dots{}) |
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828 @deftypefnx {} {} fprintf (@var{template}, @dots{}) |
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829 @deftypefnx {} {@var{numbytes} =} fprintf (@dots{}) |
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830 This function is equivalent to @code{printf}, except that the output is |
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831 written to the file descriptor @var{fid} instead of @code{stdout}. |
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832 |
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833 If @var{fid} is omitted, the output is written to @code{stdout} making the |
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834 function exactly equivalent to @code{printf}. |
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835 |
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836 The optional output returns the number of bytes written to the file. |
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837 |
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838 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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|
839 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
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|
840 expanded even when the template string is defined with single quotes. |
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|
841 @seealso{fputs, fdisp, fwrite, fscanf, printf, sprintf, fopen} |
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842 @end deftypefn */) |
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843 { |
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844 static const std::string who = "fprintf"; |
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845 |
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|
846 return printf_internal (interp, who, args, nargout); |
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847 } |
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848 |
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849 DEFMETHOD (printf, interp, args, nargout, |
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850 doc: /* -*- texinfo -*- |
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851 @deftypefn {} {} printf (@var{template}, @dots{}) |
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852 Print optional arguments under the control of the template string |
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853 @var{template} to the stream @code{stdout} and return the number of |
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854 characters printed. |
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855 @ifclear OCTAVE_MANUAL |
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856 |
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857 See the Formatted Output section of the GNU Octave manual for a |
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858 complete description of the syntax of the template string. |
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859 @end ifclear |
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860 |
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861 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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862 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
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863 expanded even when the template string is defined with single quotes. |
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864 @seealso{fprintf, sprintf, scanf} |
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865 @end deftypefn */) |
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866 { |
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867 static const std::string who = "printf"; |
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868 |
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869 octave_value_list tmp_args = args; |
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870 |
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871 return printf_internal (interp, who, tmp_args.prepend (octave_value (1)), |
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872 nargout); |
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873 } |
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874 |
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875 static octave_value_list |
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876 puts_internal (interpreter& interp, const std::string& who, |
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877 const octave_value_list& args) |
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878 { |
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879 if (args.length () != 2) |
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880 print_usage (); |
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881 |
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882 stream_list& streams = interp.get_stream_list (); |
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883 |
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884 stream os = streams.lookup (args(0), who); |
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885 |
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886 return ovl (os.puts (args(1), who)); |
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887 } |
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888 |
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889 DEFMETHOD (fputs, interp, args, , |
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890 doc: /* -*- texinfo -*- |
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891 @deftypefn {} {} fputs (@var{fid}, @var{string}) |
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892 @deftypefnx {} {@var{status} =} fputs (@var{fid}, @var{string}) |
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893 Write the string @var{string} to the file with file descriptor @var{fid}. |
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894 |
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895 The string is written to the file with no additional formatting. Use |
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896 @code{fdisp} instead to automatically append a newline character appropriate |
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897 for the local machine. |
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898 |
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899 Return a non-negative number on success or EOF on error. |
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900 @seealso{fdisp, fprintf, fwrite, fopen} |
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901 @end deftypefn */) |
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902 { |
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903 static const std::string who = "fputs"; |
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904 |
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905 return puts_internal (interp, who, args); |
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906 } |
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907 |
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908 DEFMETHOD (puts, interp, args, , |
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909 doc: /* -*- texinfo -*- |
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910 @deftypefn {} {} puts (@var{string}) |
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911 @deftypefnx {} {@var{status} =} puts (@var{string}) |
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912 Write a string to the standard output with no formatting. |
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913 |
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914 The string is written verbatim to the standard output. Use @code{disp} to |
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915 automatically append a newline character appropriate for the local machine. |
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916 |
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917 Return a non-negative number on success and EOF on error. |
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918 @seealso{fputs, disp} |
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919 @end deftypefn */) |
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920 { |
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|
921 static const std::string who = "puts"; |
21634
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Backed out changeset dcf8922b724b
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|
922 |
23737
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|
923 octave_value_list tmp_args = args; |
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|
924 |
23738
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|
925 return puts_internal (interp, who, tmp_args.prepend (octave_value (1))); |
21634
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|
926 } |
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927 |
2095 | 928 DEFUN (sprintf, args, , |
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|
929 doc: /* -*- texinfo -*- |
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930 @deftypefn {} {} sprintf (@var{template}, @dots{}) |
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931 This is like @code{printf}, except that the output is returned as a |
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|
932 string. |
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|
933 |
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|
934 Unlike the C library function, which requires you to provide a suitably |
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|
935 sized string as an argument, Octave's @code{sprintf} function returns the |
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936 string, automatically sized to hold all of the items converted. |
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937 |
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|
938 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
29117
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
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|
939 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
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940 expanded even when the template string is defined with single quotes. |
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941 @seealso{printf, fprintf, sscanf} |
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942 @end deftypefn */) |
1 | 943 { |
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|
944 static const std::string who = "sprintf"; |
4468 | 945 |
2095 | 946 int nargin = args.length (); |
1 | 947 |
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948 if (nargin == 0) |
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949 print_usage (); |
2116 | 950 |
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951 // We don't use ostrstream::create here because need direct |
21506
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952 // access to the OSTR object so that we can extract a string object |
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953 // from it to return. |
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954 ostrstream *ostr = new ostrstream (); |
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955 |
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956 // The stream destructor will delete OSTR for us. |
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|
957 stream os (ostr); |
628 | 958 |
20898
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maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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|
959 if (! os.is_valid ()) |
8da80da1ac37
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Rik <rik@octave.org>
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|
960 error ("%s: unable to create output buffer", who.c_str ()); |
1 | 961 |
20898
8da80da1ac37
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|
962 octave_value fmt_arg = args(0); |
1 | 963 |
20898
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|
964 if (! fmt_arg.is_string ()) |
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|
965 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
628 | 966 |
20898
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|
967 octave_value_list retval (3); |
19727
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|
968 |
20898
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|
969 octave_value_list tmp_args; |
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|
970 if (nargin > 1) |
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|
971 { |
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|
972 tmp_args.resize (nargin-1, octave_value ()); |
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|
973 |
20898
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|
974 for (int i = 1; i < nargin; i++) |
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|
975 tmp_args(i-1) = args(i); |
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|
976 } |
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|
977 |
20898
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|
978 // NOTE: Call to os.error must precede next call to ostr which might reset it. |
8da80da1ac37
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|
979 retval(2) = os.printf (fmt_arg, tmp_args, who); |
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|
980 retval(1) = os.error (); |
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|
981 |
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Rik <rik@octave.org>
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|
982 std::string result = ostr->str (); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
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23220
diff
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|
983 char type = (fmt_arg.is_sq_string () ? '\'' : '"'); |
20898
8da80da1ac37
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diff
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|
984 |
8da80da1ac37
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|
985 retval(0) = (result.empty () ? octave_value (charMatrix (1, 0), type) |
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parents:
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|
986 : octave_value (result, type)); |
1 | 987 |
988 return retval; | |
989 } | |
990 | |
23737
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991 static octave_value_list |
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992 scanf_internal (interpreter& interp, const std::string& who, |
23738
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|
993 const octave_value_list& args) |
23737
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994 { |
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995 int nargin = args.length (); |
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996 |
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|
997 if (nargin < 2 || nargin > 3) |
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998 print_usage (); |
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999 |
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1000 octave_value_list retval; |
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1001 |
29961
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1002 stream_list& streams = interp.get_stream_list (); |
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1003 |
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|
1004 stream os = streams.lookup (args(0), who); |
23737
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|
1005 |
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1006 if (! args(1).is_string ()) |
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1007 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1008 |
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1009 if (nargin == 3 && args(2).is_string ()) |
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1010 { |
23924
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|
1011 retval = os.oscanf (args(1), who); |
23737
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1012 } |
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1013 else |
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1014 { |
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1015 octave_idx_type count = 0; |
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1016 |
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1017 Array<double> size |
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1018 = (nargin == 3 |
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1019 ? args(2).vector_value () |
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1020 : Array<double> (dim_vector (1, 1), lo_ieee_inf_value ())); |
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1021 |
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1022 octave_value tmp = os.scanf (args(1), size, count, who); |
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1023 |
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1024 retval = ovl (tmp, count, os.error ()); |
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1025 } |
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1026 |
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1027 return retval; |
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1028 } |
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1029 |
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1030 DEFMETHOD (fscanf, interp, args, , |
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1031 doc: /* -*- texinfo -*- |
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1032 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size}) |
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1033 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, "C") |
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1034 In the first form, read from @var{fid} according to @var{template}, |
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1035 returning the result in the matrix @var{val}. |
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1036 |
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1037 The optional argument @var{size} specifies the amount of data to read |
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1038 and may be one of |
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1039 |
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1040 @table @code |
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1041 @item Inf |
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1042 Read as much as possible, returning a column vector. |
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1043 |
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1044 @item @var{nr} |
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1045 Read up to @var{nr} elements, returning a column vector. |
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1046 |
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1047 @item [@var{nr}, Inf] |
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1048 Read as much as possible, returning a matrix with @var{nr} rows. If the |
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1049 number of elements read is not an exact multiple of @var{nr}, the last |
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1050 column is padded with zeros. |
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1051 |
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1052 @item [@var{nr}, @var{nc}] |
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1053 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with |
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1054 @var{nr} rows. If the number of elements read is not an exact multiple |
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1055 of @var{nr}, the last column is padded with zeros. |
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1056 @end table |
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1057 |
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1058 @noindent |
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1059 If @var{size} is omitted, a value of @code{Inf} is assumed. |
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1060 |
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1061 A string is returned if @var{template} specifies only character conversions. |
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1062 |
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1063 The number of items successfully read is returned in @var{count}. |
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1064 |
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1065 If an error occurs, @var{errmsg} contains a system-dependent error message. |
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1066 |
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1067 In the second form, read from @var{fid} according to @var{template}, |
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1068 with each conversion specifier in @var{template} corresponding to a |
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1069 single scalar return value. This form is more ``C-like'', and also |
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1070 compatible with previous versions of Octave. The number of successful |
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1071 conversions is returned in @var{count} |
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1072 @ifclear OCTAVE_MANUAL |
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1073 |
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1074 See the Formatted Input section of the GNU Octave manual for a |
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1075 complete description of the syntax of the template string. |
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1076 @end ifclear |
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1077 @seealso{fgets, fgetl, fread, scanf, sscanf, fopen} |
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1078 @end deftypefn */) |
1181 | 1079 { |
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1080 static const std::string who = "fscanf"; |
4468 | 1081 |
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1082 return scanf_internal (interp, who, args); |
1181 | 1083 } |
1084 | |
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1085 static std::string |
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1086 get_scan_string_data (const octave_value& val, const std::string& who) |
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1087 { |
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1088 std::string retval; |
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1089 |
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1090 if (! val.is_string ()) |
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1091 error ("%s: argument STRING must be a string", who.c_str ()); |
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1092 |
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1093 octave_value tmp = val.reshape (dim_vector (1, val.numel ())); |
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1094 |
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1095 retval = tmp.string_value (); |
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1096 |
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1097 return retval; |
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1098 } |
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1099 |
2095 | 1100 DEFUN (sscanf, args, , |
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1101 doc: /* -*- texinfo -*- |
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1102 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size}) |
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1103 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} sscanf (@var{string}, @var{template}, "C") |
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1104 This is like @code{fscanf}, except that the characters are taken from the |
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1105 string @var{string} instead of from a stream. |
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1106 |
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1107 Reaching the end of the string is treated as an end-of-file condition. In |
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1108 addition to the values returned by @code{fscanf}, the index of the next |
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1109 character to be read is returned in @var{pos}. |
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1110 @seealso{fscanf, scanf, sprintf} |
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1111 @end deftypefn */) |
444 | 1112 { |
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1113 static const std::string who = "sscanf"; |
4468 | 1114 |
506 | 1115 int nargin = args.length (); |
1116 | |
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1117 if (nargin < 2 || nargin > 3) |
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1118 print_usage (); |
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1119 |
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1120 octave_value_list retval; |
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1121 |
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1122 std::string data = get_scan_string_data (args(0), who); |
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1123 |
29991
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1124 stream os = istrstream::create (data); |
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1125 |
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1126 if (! os.is_valid ()) |
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1127 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1128 |
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1129 if (! args(1).is_string ()) |
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1130 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1131 |
2215 | 1132 if (nargin == 3 && args(2).is_string ()) |
2095 | 1133 { |
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1134 retval = os.oscanf (args(1), who); |
444 | 1135 } |
1136 else | |
2215 | 1137 { |
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1138 octave_idx_type count = 0; |
2215 | 1139 |
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1140 Array<double> size = (nargin == 3) ? args(2).vector_value () |
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1141 : Array<double> (dim_vector (1, 1), |
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1142 lo_ieee_inf_value ()); |
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1143 |
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1144 octave_value tmp = os.scanf (args(1), size, count, who); |
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1145 |
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1146 // FIXME: is this the right thing to do? |
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1147 // Extract error message first, because getting |
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1148 // position will clear it. |
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1149 std::string errmsg = os.error (); |
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1150 |
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1151 retval = ovl (tmp, count, errmsg, |
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1152 (os.eof () ? data.length () : os.tell ()) + 1); |
2215 | 1153 } |
444 | 1154 |
1155 return retval; | |
1156 } | |
1157 | |
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1158 /* |
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1159 %!test <*56396> |
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1160 %! [val, count, errmsg, nextpos] = sscanf ('1234a6', '%2d', 3); |
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1161 %! assert (val, [12; 34]); |
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1162 %! assert (count, 2); |
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1163 %! assert (errmsg, "sscanf: format failed to match"); |
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1164 %! assert (nextpos, 5); |
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1165 */ |
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1166 |
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1167 DEFMETHOD (scanf, interp, args, , |
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1168 doc: /* -*- texinfo -*- |
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1169 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size}) |
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1170 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} scanf (@var{template}, "C") |
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1171 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}. |
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1172 |
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1173 It is currently not useful to call @code{scanf} in interactive programs. |
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1174 @seealso{fscanf, sscanf, printf} |
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1175 @end deftypefn */) |
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1176 { |
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1177 static const std::string who = "scanf"; |
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1178 |
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1179 octave_value_list tmp_args = args; |
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1180 |
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1181 return scanf_internal (interp, who, tmp_args.prepend (octave_value (0))); |
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1182 } |
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1183 |
21504 | 1184 static octave_value_list |
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1185 textscan_internal (interpreter& interp, const std::string& who, |
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1186 const octave_value_list& args) |
21504 | 1187 { |
1188 if (args.length () < 1) | |
1189 print_usage (who); | |
1190 | |
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1191 stream os; |
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1192 |
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1193 if (args(0).is_string ()) |
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1194 { |
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1195 std::string data = get_scan_string_data (args(0), who); |
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1196 |
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1197 os = istrstream::create (data); |
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1198 |
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1199 if (! os.is_valid ()) |
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1200 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1201 } |
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1202 else |
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1203 { |
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1204 stream_list& streams = interp.get_stream_list (); |
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1205 |
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1206 os = streams.lookup (args(0), who); |
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1207 } |
21504 | 1208 |
1209 int nskip = 1; | |
1210 | |
1211 std::string fmt; | |
1212 | |
1213 if (args.length () == 1) | |
1214 { | |
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1215 // omitted format = %f. explicit "" = width from file |
21504 | 1216 fmt = "%f"; |
1217 } | |
1218 else if (args(1).is_string ()) | |
1219 { | |
1220 fmt = args(1).string_value (); | |
1221 | |
1222 if (args(1).is_sq_string ()) | |
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1223 fmt = do_string_escapes (fmt); |
21504 | 1224 |
1225 nskip++; | |
1226 } | |
1227 else | |
1228 error ("%s: FORMAT must be a string", who.c_str ()); | |
1229 | |
1230 octave_idx_type ntimes = -1; | |
1231 | |
1232 if (args.length () > 2) | |
1233 { | |
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1234 if (args(2).isnumeric ()) |
21504 | 1235 { |
1236 ntimes = args(2).idx_type_value (); | |
1237 | |
1238 if (ntimes < args(2).double_value ()) | |
1239 error ("%s: REPEAT = %g is too large", | |
1240 who.c_str (), args(2).double_value ()); | |
1241 | |
1242 nskip++; | |
1243 } | |
1244 } | |
1245 | |
1246 octave_value_list options = args.splice (0, nskip); | |
1247 | |
1248 octave_idx_type count = 0; | |
1249 | |
1250 octave_value result = os.textscan (fmt, ntimes, options, who, count); | |
1251 | |
1252 std::string errmsg = os.error (); | |
1253 | |
1254 return ovl (result, count, errmsg); | |
1255 } | |
1256 | |
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1257 DEFMETHOD (textscan, interp, args, , |
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1258 doc: /* -*- texinfo -*- |
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1259 @deftypefn {} {@var{C} =} textscan (@var{fid}, @var{format}) |
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1260 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}) |
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1261 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{param}, @var{value}, @dots{}) |
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1262 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}, @var{param}, @var{value}, @dots{}) |
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1263 @deftypefnx {} {@var{C} =} textscan (@var{str}, @dots{}) |
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1264 @deftypefnx {} {[@var{C}, @var{position}, @var{errmsg}] =} textscan (@dots{}) |
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1265 Read data from a text file or string. |
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1266 |
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1267 The string @var{str} or file associated with @var{fid} is read from and |
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1268 parsed according to @var{format}. The function is an extension of |
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1269 @code{strread} and @code{textread}. Differences include: the ability to |
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1270 read from either a file or a string, additional options, and additional |
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1271 format specifiers. |
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1272 |
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1273 The input is interpreted as a sequence of words, delimiters (such as |
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1274 whitespace), and literals. The characters that form delimiters and |
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1275 whitespace are determined by the options. The format consists of format |
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1276 specifiers interspersed between literals. In the format, whitespace forms |
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1277 a delimiter between consecutive literals, but is otherwise ignored. |
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1278 |
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1279 The output @var{C} is a cell array where the number of columns is determined |
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1280 by the number of format specifiers. |
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1281 |
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1282 The first word of the input is matched to the first specifier of the format |
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1283 and placed in the first column of the output; the second is matched to the |
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1284 second specifier and placed in the second column and so forth. If there |
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1285 are more words than specifiers then the process is repeated until all words |
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1286 have been processed or the limit imposed by @var{repeat} has been met (see |
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1287 below). |
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1288 |
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1289 The string @var{format} describes how the words in @var{str} should be |
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1290 parsed. As in @var{fscanf}, any (non-whitespace) text in the format that is |
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1291 not one of these specifiers is considered a literal. If there is a literal |
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1292 between two format specifiers then that same literal must appear in the |
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1293 input stream between the matching words. |
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1294 |
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1295 The following specifiers are valid: |
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1296 |
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1297 @table @code |
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1298 @item %f |
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1299 @itemx %f64 |
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1300 @itemx %n |
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1301 The word is parsed as a number and converted to double. |
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1302 |
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1303 @item %f32 |
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1304 The word is parsed as a number and converted to single (float). |
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1305 |
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1306 @item %d |
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1307 @itemx %d8 |
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1308 @itemx %d16 |
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1309 @itemx %d32 |
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1310 @itemx %d64 |
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1311 The word is parsed as a number and converted to int8, int16, int32, or |
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1312 int64. If no size is specified then int32 is used. |
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1313 |
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1314 @item %u |
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1315 @itemx %u8 |
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1316 @itemx %u16 |
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1317 @itemx %u32 |
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1318 @itemx %u64 |
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1319 The word is parsed as a number and converted to uint8, uint16, uint32, or |
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1320 uint64. If no size is specified then uint32 is used. |
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1321 |
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1322 @item %s |
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1323 The word is parsed as a string ending at the last character before |
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1324 whitespace, an end-of-line, or a delimiter specified in the options. |
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1325 |
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1326 @item %q |
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1327 The word is parsed as a "quoted string". |
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1328 If the first character of the string is a double quote (") then the string |
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1329 includes everything until a matching double quote---including whitespace, |
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1330 delimiters, and end-of-line characters. If a pair of consecutive double |
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1331 quotes appears in the input, it is replaced in the output by a single |
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1332 double quote. For examples, the input "He said ""Hello""" would |
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1333 return the value 'He said "Hello"'. |
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1334 |
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1335 @item %c |
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1336 The next character of the input is read. |
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1337 This includes delimiters, whitespace, and end-of-line characters. |
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1338 |
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1339 @item %[@dots{}] |
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1340 @itemx %[^@dots{}] |
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1341 In the first form, the word consists of the longest run consisting of only |
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1342 characters between the brackets. Ranges of characters can be specified by |
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1343 a hyphen; for example, %[0-9a-zA-Z] matches all alphanumeric characters (if |
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1344 the underlying character set is ASCII). Since @sc{matlab} treats hyphens |
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1345 literally, this expansion only applies to alphanumeric characters. To |
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1346 include '-' in the set, it should appear first or last in the brackets; to |
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1347 include ']', it should be the first character. If the first character is |
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1348 '^' then the word consists of characters @strong{not} listed. |
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1349 |
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1350 @item %N@dots{} |
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1351 For %s, %c %d, %f, %n, %u, an optional width can be specified as %Ns, etc. |
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1352 where N is an integer > 1. For %c, this causes exactly N characters to be |
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1353 read instead of a single character. For the other specifiers, it is an |
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1354 upper bound on the number of characters read; normal delimiters can cause |
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1355 fewer characters to be read. For complex numbers, this limit applies to |
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1356 the real and imaginary components individually. For %f and %n, format |
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1357 specifiers like %N.Mf are allowed, where M is an upper bound on number of |
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1358 characters after the decimal point to be considered; subsequent digits are |
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1359 skipped. For example, the specifier %8.2f would read 12.345e6 as 1.234e7. |
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1360 |
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1361 @item %*@dots{} |
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1362 The word specified by the remainder of the conversion specifier is skipped. |
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1363 |
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1364 @item literals |
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1365 In addition the format may contain literal character strings; these will be |
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1366 skipped during reading. If the input string does not match this literal, |
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1367 the processing terminates. |
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1368 @end table |
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1369 |
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1370 Parsed words corresponding to the first specifier are returned in the first |
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1371 output argument and likewise for the rest of the specifiers. |
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1372 |
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1373 By default, if there is only one input argument, @var{format} is @t{"%f"}. |
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1374 This means that numbers are read from the input into a single column vector. |
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1375 If @var{format} is explicitly empty (@qcode{""}) then textscan will |
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1376 return data in a number of columns matching the number of fields on the |
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1377 first data line of the input. Either of these is suitable only when the |
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1378 input is exclusively numeric. |
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1379 |
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1380 For example, the string |
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1381 |
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1382 @smallexample |
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1383 @group |
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1384 @var{str} = "\ |
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1385 Bunny Bugs 5.5\n\ |
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1386 Duck Daffy -7.5e-5\n\ |
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1387 Penguin Tux 6" |
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1388 @end group |
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1389 @end smallexample |
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1390 |
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1391 @noindent |
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1392 can be read using |
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1393 |
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1394 @example |
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1395 @var{a} = textscan (@var{str}, "%s %s %f"); |
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1396 @end example |
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1397 |
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1398 The optional numeric argument @var{repeat} can be used for limiting the |
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1399 number of items read: |
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1400 |
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1401 @table @asis |
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1402 @item -1 |
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1403 Read all of the string or file until the end (default). |
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1404 |
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1405 @item N |
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1406 Read until the first of two conditions occurs: 1) the format has been |
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1407 processed N times, or 2) N lines of the input have been processed. Zero |
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1408 (0) is an acceptable value for @var{repeat}. Currently, end-of-line |
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1409 characters inside %q, %c, and %[@dots{}]$ conversions do not contribute to |
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1410 the line count. This is incompatible with @sc{matlab} and may change in |
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1411 future. |
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1412 @end table |
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1413 |
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1414 The behavior of @code{textscan} can be changed via property/value pairs. |
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1415 The following properties are recognized: |
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1416 |
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1417 @table @asis |
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1418 @item @qcode{"BufSize"} |
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1419 This specifies the number of bytes to use for the internal buffer. |
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1420 A modest speed improvement may be obtained by setting this to a large value |
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1421 when reading a large file, especially if the input contains long strings. |
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1422 The default is 4096, or a value dependent on @var{n} if that is specified. |
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1423 |
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1424 @item @qcode{"CollectOutput"} |
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1425 A value of 1 or true instructs @code{textscan} to concatenate consecutive |
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1426 columns of the same class in the output cell array. A value of 0 or false |
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1427 (default) leaves output in distinct columns. |
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1428 |
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1429 @item @qcode{"CommentStyle"} |
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1430 Specify parts of the input which are considered comments and will be |
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1431 skipped. @var{value} is the comment style and can be either (1) A string |
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1432 or 1x1 cell string, to skip everything to the right of it; (2) A cell array |
21992
03c692adf563
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1433 of two strings, to skip everything between the first and second strings. |
21966
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1434 Comments are only parsed where whitespace is accepted and do not act as |
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1435 delimiters. |
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1436 |
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1437 @item @qcode{"Delimiter"} |
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move docstrings in C++ files out of C strings and into comments
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1438 If @var{value} is a string, any character in @var{value} will be used to |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1439 split the input into words. If @var{value} is a cell array of strings, |
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move docstrings in C++ files out of C strings and into comments
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|
1440 any string in the array will be used to split the input into words. |
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move docstrings in C++ files out of C strings and into comments
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|
1441 (default value = any whitespace.) |
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|
1442 |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1443 @item @qcode{"EmptyValue"} |
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move docstrings in C++ files out of C strings and into comments
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|
1444 Value to return for empty numeric values in non-whitespace delimited data. |
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move docstrings in C++ files out of C strings and into comments
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|
1445 The default is NaN@. When the data type does not support NaN (int32 for |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1446 example), then the default is zero. |
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|
1447 |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1448 @item @qcode{"EndOfLine"} |
27956
2310164737b3
fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents:
26642
diff
changeset
|
1449 @var{value} can be either an empty or one character specifying the |
21966
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1450 end-of-line character, or the pair |
29117
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doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
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|
1451 @qcode{"@backslashchar{}r@backslashchar{}n"} (CRLF). |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1452 In the latter case, any of |
29117
10a35049bad7
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Rik <rik@octave.org>
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diff
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|
1453 @qcode{"@backslashchar{}r"}, @qcode{"@backslashchar{}n"} or |
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
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|
1454 @qcode{"@backslashchar{}r@backslashchar{}n"} is counted as a (single) |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1455 newline. If no value is given, |
29117
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Rik <rik@octave.org>
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|
1456 @qcode{"@backslashchar{}r@backslashchar{}n"} is used. |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1457 @c If set to "" (empty string) EOLs are ignored as delimiters and added |
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move docstrings in C++ files out of C strings and into comments
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|
1458 @c to whitespace. |
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|
1459 |
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|
1460 @c When reading from a character string, optional input argument @var{n} |
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move docstrings in C++ files out of C strings and into comments
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|
1461 @c specifies the number of times @var{format} should be used (i.e., to limit |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1462 @c the amount of data read). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1463 @c When reading from file, @var{n} specifies the number of data lines to read; |
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move docstrings in C++ files out of C strings and into comments
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|
1464 @c in this sense it differs slightly from the format repeat count in strread. |
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|
1465 |
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diff
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|
1466 @item @qcode{"HeaderLines"} |
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move docstrings in C++ files out of C strings and into comments
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|
1467 The first @var{value} number of lines of @var{fid} are skipped. Note that |
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move docstrings in C++ files out of C strings and into comments
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|
1468 this does not refer to the first non-comment lines, but the first lines of |
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move docstrings in C++ files out of C strings and into comments
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|
1469 any type. |
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|
1470 |
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|
1471 @item @qcode{"MultipleDelimsAsOne"} |
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|
1472 If @var{value} is nonzero, treat a series of consecutive delimiters, |
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move docstrings in C++ files out of C strings and into comments
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|
1473 without whitespace in between, as a single delimiter. Consecutive |
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move docstrings in C++ files out of C strings and into comments
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|
1474 delimiter series need not be vertically aligned. Without this option, a |
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move docstrings in C++ files out of C strings and into comments
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|
1475 single delimiter before the end of the line does not cause the line to be |
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|
1476 considered to end with an empty value, but a single delimiter at the start |
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|
1477 of a line causes the line to be considered to start with an empty value. |
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|
1478 |
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|
1479 @item @qcode{"TreatAsEmpty"} |
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|
1480 Treat single occurrences (surrounded by delimiters or whitespace) of the |
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move docstrings in C++ files out of C strings and into comments
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|
1481 string(s) in @var{value} as missing values. |
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|
1482 |
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|
1483 @item @qcode{"ReturnOnError"} |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1484 If set to numerical 1 or true, return normally as soon as an error is |
22299
9fc91bb2aec3
doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents:
22022
diff
changeset
|
1485 encountered, such as trying to read a string using @code{%f}. |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1486 If set to 0 or false, return an error and no data. |
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|
1487 |
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|
1488 @item @qcode{"Whitespace"} |
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|
1489 Any character in @var{value} will be interpreted as whitespace and trimmed; |
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|
1490 The default value for whitespace is |
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move docstrings in C++ files out of C strings and into comments
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|
1491 @c Note: the next line specifically has a newline which generates a space |
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move docstrings in C++ files out of C strings and into comments
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|
1492 @c in the output of qcode, but keeps the next line < 80 characters. |
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move docstrings in C++ files out of C strings and into comments
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|
1493 @qcode{" |
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Rik <rik@octave.org>
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|
1494 @backslashchar{}b@backslashchar{}r@backslashchar{}n@backslashchar{}t"} |
21966
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|
1495 (note the space). Unless whitespace is set to @qcode{""} (empty) AND at |
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|
1496 least one @qcode{"%s"} format conversion specifier is supplied, a space is |
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move docstrings in C++ files out of C strings and into comments
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|
1497 always part of whitespace. |
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|
1498 |
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|
1499 @end table |
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|
1500 |
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|
1501 When the number of words in @var{str} or @var{fid} doesn't match an exact |
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|
1502 multiple of the number of format conversion specifiers, @code{textscan}'s |
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move docstrings in C++ files out of C strings and into comments
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|
1503 behavior depends on whether the last character of the string or file is an |
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move docstrings in C++ files out of C strings and into comments
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|
1504 end-of-line as specified by the @code{EndOfLine} option: |
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|
1505 |
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|
1506 @table @asis |
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1507 @item last character = end-of-line |
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|
1508 Data columns are padded with empty fields, NaN or 0 (for integer fields) so |
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move docstrings in C++ files out of C strings and into comments
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|
1509 that all columns have equal length |
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|
1510 |
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|
1511 @item last character is not end-of-line |
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|
1512 Data columns are not padded; @code{textscan} returns columns of unequal |
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|
1513 length |
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|
1514 @end table |
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|
1515 |
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|
1516 The second output @var{position} provides the location, in characters |
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|
1517 from the beginning of the file or string, where processing stopped. |
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|
1518 |
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|
1519 @seealso{dlmread, fscanf, load, strread, textread} |
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|
1520 @end deftypefn */) |
21502
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|
1521 { |
27167
ec6d31ef6bb6
* file-io.cc: Declare local constant "who" names "static const".
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|
1522 static const std::string who = "textscan"; |
21502
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|
1523 |
23738
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|
1524 return textscan_internal (interp, who, args); |
21504 | 1525 } |
1526 | |
23738
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|
1527 DEFMETHOD (__textscan__, interp, args, , |
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|
1528 doc: /* -*- texinfo -*- |
21966
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|
1529 @deftypefn {} {@var{C} =} __textscan__ (@var{who}, @dots{}) |
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|
1530 Like @code{textscan} but accept additional argument @var{who} to use |
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|
1531 as the name of the function when reporting errors. |
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|
1532 @end deftypefn */) |
21504 | 1533 { |
1534 if (args.length () == 0) | |
21502
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|
1535 print_usage (); |
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|
1536 |
23738
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|
1537 return textscan_internal (interp, args(0).string_value (), |
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|
1538 args.splice (0, 1)); |
21502
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|
1539 } |
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|
1540 |
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|
1541 /* |
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|
1542 %!test |
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|
1543 %! str = "1, 2, 3, 4\n 5, , , 8\n 9, 10, 11, 12"; |
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|
1544 %! fmtstr = "%f %d %f %s"; |
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|
1545 %! c = textscan (str, fmtstr, 2, "delimiter", ",", "emptyvalue", -Inf); |
21625 | 1546 %! assert (c{1}, [1;5]); |
1547 %! assert (c{3}, [3; -Inf]); | |
21502
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|
1548 %! assert (iscellstr (c{4})); |
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|
1549 |
7a19c5678f91
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changeset
|
1550 %!test |
7a19c5678f91
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changeset
|
1551 %! b = [10:10:100]; |
7a19c5678f91
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changeset
|
1552 %! b = [b; 8*b/5]; |
7a19c5678f91
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|
1553 %! str = sprintf ("%g miles/hr = %g kilometers/hr\n", b); |
7a19c5678f91
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diff
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|
1554 %! fmt = "%f miles/hr = %f kilometers/hr"; |
7a19c5678f91
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|
1555 %! c = textscan (str, fmt); |
7a19c5678f91
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|
1556 %! assert (c{1}, b(1,:)', 1e-5); |
7a19c5678f91
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John W. Eaton <jwe@octave.org>
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diff
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|
1557 %! assert (c{2}, b(2,:)', 1e-5); |
7a19c5678f91
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changeset
|
1558 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1559 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
1560 %! str = "13, -, NA, str1, -25\r\n// Middle line\r\n36, na, 05, str3, 6"; |
21625 | 1561 %! c = textscan (str, "%d %n %f %s %n", "delimiter", ",", |
1562 %! "treatAsEmpty", {"NA", "na", "-"}, "commentStyle", "//"); | |
1563 %! assert (c{1}, int32 ([13; 36])); | |
1564 %! assert (c{2}, [NaN; NaN]); | |
1565 %! assert (c{3}, [NaN; 5]); | |
1566 %! assert (c{4}, {"str1"; "str3"}); | |
1567 %! assert (c{5}, [-25; 6]); | |
21502
7a19c5678f91
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changeset
|
1568 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1569 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1570 %! str = "Km:10 = hhhBjjj miles16hour\r\n"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1571 %! str = [str "Km:15 = hhhJjjj miles241hour\r\n"]; |
7a19c5678f91
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|
1572 %! str = [str "Km:2 = hhhRjjj miles3hour\r\n"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1573 %! str = [str "Km:25 = hhhZ\r\n"]; |
7a19c5678f91
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changeset
|
1574 %! fmt = "Km:%d = hhh%1sjjj miles%dhour"; |
21625 | 1575 %! c = textscan (str, fmt, "delimiter", " "); |
1576 %! assert (c{1}', int32 ([10, 15, 2, 25])); | |
1577 %! assert (c{2}', {'B' 'J' 'R' 'Z'}); | |
1578 %! assert (c{3}', int32 ([16, 241, 3, 0])); | |
1579 | |
1580 ## Test with default EndOfLine parameter | |
21502
7a19c5678f91
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|
1581 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1582 %! c = textscan ("L1\nL2", "%s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1583 %! assert (c{:}, {"L1"; "L2"}); |
7a19c5678f91
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|
1584 |
21625 | 1585 ## Test with EndofLine parameter set to "" (empty) - newline should be in word |
21502
7a19c5678f91
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changeset
|
1586 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1587 %! c = textscan ("L1\nL2", "%s", "endofline", ""); |
21625 | 1588 %! assert (int8 ([c{:}{:}]), int8 ([76, 49, 10, 76, 50])); |
21502
7a19c5678f91
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changeset
|
1589 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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22725
diff
changeset
|
1590 ## Matlab fails this test. A literal after a conversion is not a delimiter |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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diff
changeset
|
1591 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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diff
changeset
|
1592 %! ## No delimiters at all besides EOL. Skip fields, even empty fields |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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|
1593 %! str = "Text1Text2Text\nTextText4Text\nText57Text"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
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|
1594 %! c = textscan (str, "Text%*dText%dText"); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
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|
1595 %! assert (c{1}, int32 ([2; 4; 0])); |
21502
7a19c5678f91
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changeset
|
1596 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1597 ## CollectOutput test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1598 %!test |
7a19c5678f91
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|
1599 %! b = [10:10:100]; |
7a19c5678f91
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|
1600 %! b = [b; 8*b/5; 8*b*1000/5]; |
7a19c5678f91
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|
1601 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
7a19c5678f91
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|
1602 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
7a19c5678f91
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|
1603 %! c = textscan (str, fmt, "collectoutput", 1); |
7a19c5678f91
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|
1604 %! assert (size (c{3}), [10, 2]); |
7a19c5678f91
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|
1605 %! assert (size (c{2}), [10, 2]); |
7a19c5678f91
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changeset
|
1606 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1607 ## CollectOutput test with uneven column length files |
7a19c5678f91
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|
1608 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1609 %! b = [10:10:100]; |
7a19c5678f91
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|
1610 %! b = [b; 8*b/5; 8*b*1000/5]; |
7a19c5678f91
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|
1611 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1612 %! str = [str "110 miles/hr"]; |
7a19c5678f91
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|
1613 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
7a19c5678f91
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|
1614 %! c = textscan (str, fmt, "collectoutput", 1); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1615 %! assert (size (c{1}), [11, 1]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1616 %! assert (size (c{3}), [11, 2]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1617 %! assert (size (c{2}), [11, 2]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1618 %! assert (c{3}(end), NaN); |
7a19c5678f91
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|
1619 %! assert (c{2}{11, 1}, "/hr"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1620 %! assert (isempty (c{2}{11, 2}), true); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1621 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1622 ## Double quoted string |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1623 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1624 %! str = 'First "the second called ""the middle""" third'; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1625 %! fmt = "%q"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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|
1626 %! c = textscan (str, fmt); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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|
1627 %! assert (c{1}, {"First"; 'the second called "the middle"'; "third"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1628 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1629 ## Arbitrary character |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1630 %!test |
21625 | 1631 %! c = textscan ("a first, \n second, third", "%s %c %11c", "delimiter", " ,"); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1632 %! assert (c{1}, {"a"; "ond"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1633 %! assert (c{2}, {"f"; "t"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1634 %! assert (c{3}, {"irst, \n sec"; "hird"}); |
7a19c5678f91
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changeset
|
1635 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1636 ## Field width and non-standard delimiters |
7a19c5678f91
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changeset
|
1637 %!test |
7a19c5678f91
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|
1638 %! str = "12;34;123456789;7"; |
7a19c5678f91
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|
1639 %! c = textscan (str, "%4d %4d", "delimiter", ";", "collectOutput", 1); |
21625 | 1640 %! assert (c, {[12, 34; 1234, 5678; 9, 7]}); |
1641 | |
1642 ## Field width and non-standard delimiters (2) | |
21502
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changeset
|
1643 %!test |
7a19c5678f91
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|
1644 %! str = "12;34;123456789;7"; |
7a19c5678f91
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|
1645 %! c = textscan (str, "%4f %f", "delimiter", ";", "collectOutput", 1); |
21625 | 1646 %! assert (c, {[12, 34; 1234, 56789; 7, NaN]}); |
21502
7a19c5678f91
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|
1647 |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
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28182
diff
changeset
|
1648 ## FIXME: Not Matlab compatible. Matlab prioritizes precision over field width |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
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28182
diff
changeset
|
1649 ## so "12.234e+2", when read with "%10.2f %f", yields "12.23" and "4e+2". |
21502
7a19c5678f91
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|
1650 ## Ignore trailing delimiter, but use leading one |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
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28182
diff
changeset
|
1651 %!#test |
21502
7a19c5678f91
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|
1652 %! str = "12.234e+2,34, \n12345.789-9876j,78\n,10|3"; |
7a19c5678f91
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|
1653 %! c = textscan (str, "%10.2f %f", "delimiter", ",", "collectOutput", 1, |
21625 | 1654 %! "expChars", "e|"); |
1655 %! assert (c, {[1223, 34; 12345.79-9876j, 78; NaN, 10000]}, 1e-6); | |
1656 | |
1657 ## Multi-character delimiter | |
21502
7a19c5678f91
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|
1658 %!test |
7a19c5678f91
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changeset
|
1659 %! str = "99end2 space88gap 4564"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1660 %! c = textscan (str, "%d %s", "delimiter", {"end", "gap", "space"}); |
7a19c5678f91
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|
1661 %! assert (c{1}, int32 ([99; 88])); |
7a19c5678f91
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|
1662 %! assert (c{2}, {"2 "; "4564"}); |
7a19c5678f91
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|
1663 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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22725
diff
changeset
|
1664 ## FIXME: Following two tests still fail (4/13/2016). |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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22725
diff
changeset
|
1665 ## Delimiters as part of literals, and following literals |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1666 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1667 %! str = "12 R&D & 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1668 %! c = textscan (str, "%f R&D %f", "delimiter", "&", "collectOutput", 1, |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1669 %! "EmptyValue", -99); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1670 %! assert (c, {[12, -99; 7, -99]}); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1671 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1672 ## Delimiters as part of literals, and before literals |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1673 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1674 %! str = "12 & R&D 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1675 %! c = textscan (str, "%f R&D %f", "delimiter", "&", "collectOutput", 1); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1676 %! assert (c, {[12 7]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1677 |
21625 | 1678 ## Check number of lines read, not number of passes through format string |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1679 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1680 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1681 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1682 %! fprintf (fid, "1\n2\n3\n4\n5\n6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1683 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1684 %! c = textscan (fid, "%f %f", 2); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1685 %! E = feof (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1686 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1687 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1688 %! assert (c, {1, 2}); |
21625 | 1689 %! assert (! E); |
1690 | |
1691 ## Check number of lines read, not number of passes through format string | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1692 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1693 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1694 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1695 %! fprintf (fid, "1\r\n2\r3\n4\r\n5\n6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1696 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1697 %! c = textscan (fid, "%f %f", 4); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1698 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1699 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1700 %! assert (c, {[1;3], [2;4]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1701 |
21625 | 1702 ## Check number of lines read, with multiple delimiters |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1703 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1704 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1705 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1706 %! fprintf (fid, "1-\r\n-2\r3-\n-4\r\n5\n6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1707 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1708 %! c = textscan (fid, "%f %f", 4, "delimiter", "-", "multipleDelimsAsOne", 1); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1709 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1710 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1711 %! assert (c, {[1;3], [2;4]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1712 |
21625 | 1713 ## Check ReturnOnError |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1714 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1715 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1716 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1717 %! str = "1 2 3\n4 s 6"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1718 %! fprintf (fid, str); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1719 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1720 %! c = textscan (fid, "%f %f %f", "ReturnOnError", 1); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1721 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1722 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1723 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1724 %! u = textscan (str, "%f %f %f", "ReturnOnError", 1); |
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1725 %! assert (c, {[1;4], [2], [3]}); |
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1726 %! assert (u, {[1;4], [2], [3]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1727 |
21625 | 1728 %! ## Check ReturnOnError (2) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1729 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1730 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1731 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1732 %! str = "1 2 3\n4 s 6\n"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1733 %! fprintf (fid, str); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1734 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1735 %! c = textscan (fid, "%f %f %f", "ReturnOnError", 1); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1736 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1737 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1738 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1739 %! u = textscan (str, "%f %f %f", "ReturnOnError", 1); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1740 %! assert (c, {[1;4], 2, 3}); |
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1741 %! assert (u, {[1;4], 2, 3}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1742 |
21625 | 1743 %!error <Read error in field 2 of row 2> |
1744 %! textscan ("1 2 3\n4 s 6", "%f %f %f", "ReturnOnError", 0); | |
1745 | |
1746 ## Check ReturnOnError (3) | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1747 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1748 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1749 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1750 %! fprintf (fid, "1 s 3\n4 5 6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1751 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1752 %! c = textscan (fid, "", "ReturnOnError", 1); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1753 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1754 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1755 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1756 %! assert (c, {1}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1757 |
21625 | 1758 ## Check ReturnOnError with empty fields |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1759 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1760 %! c = textscan ("1,,3\n4,5,6", "", "Delimiter", ",", "ReturnOnError", 1); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1761 %! assert (c, {[1;4], [NaN;5], [3;6]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1762 |
21625 | 1763 ## Check ReturnOnError with empty fields (2) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1764 %!test |
21625 | 1765 %! c = textscan ("1,,3\n4,5,6", "%f %f %f", "Delimiter", ",", |
1766 %! "ReturnOnError", 1); | |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1767 %! assert (c, {[1;4], [NaN;5], [3;6]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1768 |
21625 | 1769 ## Check ReturnOnError in first column |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1770 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1771 %! c = textscan ("1 2 3\ns 5 6", "", "ReturnOnError", 1); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1772 %! assert (c, {1, 2, 3}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1773 |
21625 | 1774 ## FIXME: This test fails (4/14/16) |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1775 ## Test incomplete first data line |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1776 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1777 %! R = textscan (['Empty1' char(10)], 'Empty%d %f'); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1778 %! assert (R{1}, int32 (1)); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1779 %! assert (isempty (R{2}), true); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1780 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1781 %!test <*37023> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1782 %! data = textscan (" 1. 1 \n 2 3\n", '%f %f'); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1783 %! assert (data{1}, [1; 2], 1e-15); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1784 %! assert (data{2}, [1; 3], 1e-15); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1785 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1786 ## Whitespace test using delimiter ";" |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1787 %!test <*37333> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1788 %! tc{1, 1} = "C:/code;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1789 %! tc{1, end+1} = "C:/code/meas;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1790 %! tc{1, end+1} = " C:/code/sim;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1791 %! tc{1, end+1} = "C:/code/utils;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1792 %! string = [tc{:}]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1793 %! c = textscan (string, "%s", "delimiter", ";"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1794 %! for k = 1:max (numel (c{1}), numel (tc)) |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1795 %! lh = c{1}{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1796 %! rh = tc{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1797 %! rh(rh == ";") = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1798 %! rh = strtrim (rh); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1799 %! assert (strcmp (lh, rh)); |
21625 | 1800 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1801 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1802 ## Whitespace test, adding multipleDelimsAsOne true arg |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1803 %!test <*37333> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1804 %! tc{1, 1} = "C:/code;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1805 %! tc{1, end+1} = " C:/code/meas;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1806 %! tc{1, end+1} = "C:/code/sim;;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1807 %! tc{1, end+1} = "C:/code/utils;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1808 %! string = [tc{:}]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1809 %! c = textscan (string, "%s", "delimiter", ";", "multipleDelimsAsOne", 1); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1810 %! for k = 1:max (numel (c{1}), numel (tc)) |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1811 %! lh = c{1}{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1812 %! rh = tc{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1813 %! rh(rh == ";") = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1814 %! rh = strtrim (rh); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1815 %! assert (strcmp (lh, rh)); |
21625 | 1816 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1817 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1818 ## Whitespace test (bug #37333), adding multipleDelimsAsOne false arg |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1819 %!test <*37333> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1820 %! tc{1, 1} = "C:/code;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1821 %! tc{1, end+1} = " C:/code/meas;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1822 %! tc{1, end+1} = "C:/code/sim;;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1823 %! tc{1, end+1} = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1824 %! tc{1, end+1} = "C:/code/utils;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1825 %! string = [tc{:}]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1826 %! c = textscan (string, "%s", "delimiter", ";", "multipleDelimsAsOne", 0); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1827 %! for k = 1:max (numel (c{1}), numel (tc)) |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1828 %! lh = c{1}{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1829 %! rh = tc{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1830 %! rh(rh == ";") = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1831 %! rh = strtrim (rh); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1832 %! assert (strcmp (lh, rh)); |
21625 | 1833 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1834 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1835 ## Whitespace test (bug #37333) whitespace "" arg |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1836 %!test <*37333> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1837 %! tc{1, 1} = "C:/code;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1838 %! tc{1, end+1} = " C:/code/meas;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1839 %! tc{1, end+1} = "C:/code/sim;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1840 %! tc{1, end+1} = "C:/code/utils;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1841 %! string = [tc{:}]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1842 %! c = textscan (string, "%s", "delimiter", ";", "whitespace", ""); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1843 %! for k = 1:max (numel (c{1}), numel (tc)) |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1844 %! lh = c{1}{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1845 %! rh = tc{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1846 %! rh(rh == ";") = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1847 %! assert (strcmp (lh, rh)); |
21625 | 1848 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1849 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1850 ## Whitespace test (bug #37333), whitespace " " arg |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1851 %!test <*37333> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1852 %! tc{1, 1} = "C:/code;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1853 %! tc{1, end+1} = " C:/code/meas;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1854 %! tc{1, end+1} = "C:/code/sim;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1855 %! tc{1, end+1} = "C:/code/utils;"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1856 %! string = [tc{:}]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1857 %! c = textscan (string, "%s", "delimiter", ";", "whitespace", " "); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1858 %! for k = 1:max (numel (c{1}), numel (tc)) |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1859 %! lh = c{1}{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1860 %! rh = tc{k}; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1861 %! rh(rh == ";") = ""; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1862 %! rh = strtrim (rh); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1863 %! assert (strcmp (lh, rh)); |
21625 | 1864 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1865 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1866 ## Tests reading with empty format, should return proper nr of columns |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1867 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1868 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1869 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1870 %! fprintf (fid, " 1 2 3 4\n5 6 7 8"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1871 %! fseek (fid, 0, "bof"); |
21625 | 1872 %! C = textscan (fid, ""); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1873 %! E = feof (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1874 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1875 %! unlink (f); |
21625 | 1876 %! assert (C{1}, [1 ; 5], 1e-6); |
1877 %! assert (C{2}, [2 ; 6], 1e-6); | |
1878 %! assert (C{3}, [3 ; 7], 1e-6); | |
1879 %! assert (C{4}, [4 ; 8], 1e-6); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1880 %! assert (E); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1881 |
21621
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1882 ## Test leaving the file at the correct position on exit |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1883 %!test |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1884 %! f = tempname (); |
fe0a6de805e4
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1885 %! fid = fopen (f, "w+"); |
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1886 %! fprintf (fid, "1,2\n3,4\n"); |
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1887 %! fseek (fid, 0, "bof"); |
21625 | 1888 %! C = textscan (fid, "%s %f", 2, "Delimiter", ","); |
21621
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1889 %! E = ftell (fid); |
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1890 %! fclose (fid); |
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1891 %! unlink (f); |
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1892 %! assert (E, 8); |
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1893 |
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1894 ## Tests reading with empty format; empty fields & incomplete lower row |
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1895 %!test |
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1896 %! f = tempname (); |
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1897 %! fid = fopen (f, "w+"); |
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1898 %! fprintf (fid, " ,2,,4\n5,6"); |
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1899 %! fseek (fid, 0, "bof"); |
21625 | 1900 %! C = textscan (fid, "", "delimiter", ",", "EmptyValue", 999, |
1901 %! "CollectOutput" , 1); | |
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1902 %! fclose (fid); |
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1903 %! unlink (f); |
21625 | 1904 %! assert (C{1}, [999, 2, 999, 4; 5, 6, 999, 999], 1e-6); |
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1905 |
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1906 ## Error message tests |
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1907 |
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1908 %!test |
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1909 %! f = tempname (); |
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1910 %! fid = fopen (f, "w+"); |
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1911 %! msg1 = "textscan: 1 parameters given, but only 0 values"; |
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1912 %! try |
21625 | 1913 %! C = textscan (fid, "", "headerlines"); |
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1914 %! end_try_catch; |
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1915 %! assert (! feof (fid)); |
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1916 %! fclose (fid); |
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1917 %! unlink (f); |
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1918 %! assert (msg1, lasterr); |
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1919 |
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1920 %!test |
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1921 %! f = tempname (); |
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1922 %! fid = fopen (f, "w+"); |
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1923 %! msg1 = "textscan: HeaderLines must be numeric"; |
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1924 %! try |
21625 | 1925 %! C = textscan (fid, "", "headerlines", "hh"); |
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1926 %! end_try_catch; |
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1927 %! fclose (fid); |
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1928 %! unlink (f); |
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1929 %! assert (msg1, lasterr); |
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1930 |
21625 | 1931 ## Skip headerlines |
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1932 %!test |
21625 | 1933 %! C = textscan ("field 1 field2\n 1 2\n3 4", "", "headerlines", 1, |
1934 %! "collectOutput", 1); | |
1935 %! assert (C, {[1 2; 3 4]}); | |
1936 | |
1937 ## Skip headerlines with non-default EOL | |
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1938 %!test |
21625 | 1939 %! C = textscan ("field 1 field2\r 1 2\r3 4", "", "headerlines", 2, |
1940 %! "collectOutput", 1, "EndOfLine", '\r'); | |
1941 %! assert (C, {[3 4]}); | |
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1942 |
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1943 %!test |
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1944 %! f = tempname (); |
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1945 %! fid = fopen (f, "w+"); |
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1946 %! fprintf (fid,"some_string"); |
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1947 %! fseek (fid, 0, "bof"); |
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1948 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1949 %! try |
21625 | 1950 %! C = textscan (fid, "%f", "EndOfLine", "\n\r"); |
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1951 %! end_try_catch; |
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1952 %! fclose (fid); |
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1953 %! unlink (f); |
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1954 %! assert (msg1, lasterr); |
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1955 |
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1956 %!test |
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1957 %! f = tempname (); |
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1958 %! fid = fopen (f, "w+"); |
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1959 %! fprintf (fid,"some_string"); |
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1960 %! fseek (fid, 0, "bof"); |
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1961 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1962 %! try |
21625 | 1963 %! C = textscan (fid, "%f", "EndOfLine", 33); |
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1964 %! end_try_catch; |
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1965 %! fclose (fid); |
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1966 %! unlink (f); |
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1967 %! assert (msg1, lasterr); |
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1968 |
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1969 %!assert <*41824> (textscan ("123", "", "whitespace", " "){:}, 123); |
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1970 |
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1971 ## just test supplied emptyvalue |
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1972 %!assert <*42343> (textscan (",NaN", "", "delimiter", "," ,"emptyValue" ,Inf), |
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1973 %! {Inf, NaN}) |
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1974 |
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1975 ## test padding with supplied emptyvalue |
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1976 %!test <*42343> |
21625 | 1977 %! c = textscan (",1,,4\nInf, ,NaN\n", "", "delimiter", ",", |
1978 %! "emptyvalue", -10); | |
1979 %! assert (cell2mat (c), [-10, 1, -10, 4; Inf, -10, NaN, -10]); | |
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1980 |
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1981 %!test <*42528> |
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1982 %! assert (textscan ("1i", ""){1}, 0+1i); |
21625 | 1983 %! C = textscan ("3, 2-4i, NaN\n -i, 1, 23.4+2.2i\n 1+1 1+1j", "", |
1984 %! "delimiter", ","); | |
1985 %! assert (cell2mat (C), [3+0i, 2-4i, NaN+0i; 0-i, 1+0i, 23.4+2.2i; 1 1 1+1i]); | |
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1986 |
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1987 %!test |
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1988 %! ## TreatAsEmpty |
21625 | 1989 %! C = textscan ("1,2,3,NN,5,6\n", "%d%d%d%f", "delimiter", ",", |
1990 %! "TreatAsEmpty", "NN"); | |
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1991 %! assert (C{3}(1), int32 (3)); |
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1992 %! assert (C{4}(1), NaN); |
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1993 |
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1994 ## MultipleDelimsAsOne |
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1995 %!test |
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1996 %! str = "11, 12, 13,, 15\n21,, 23, 24, 25\n,, 33, 34, 35\n"; |
21625 | 1997 %! C = textscan (str, "%f %f %f %f", "delimiter", ",", |
1998 %! "multipledelimsasone", 1, "endofline", "\n"); | |
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1999 %! assert (C{1}', [11, 21, 33]); |
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2000 %! assert (C{2}', [12, 23, 34]); |
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2001 %! assert (C{3}', [13, 24, 35]); |
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2002 %! assert (C{4}', [15, 25, NaN]); |
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2003 |
21551
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2004 ## Single-quoted escape sequences |
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2005 %!test |
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|
2006 %! str = "11\t12\t13\r21\t22\t23"; |
990c6c31a684
Accept escape sequences in single quoted strings for "delimiter" (bug #47539)
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diff
changeset
|
2007 %! c = textscan (str, "", "delimiter", '\t', "EndOfLine", '\r'); |
990c6c31a684
Accept escape sequences in single quoted strings for "delimiter" (bug #47539)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
changeset
|
2008 %! assert (c{1}', [11, 21]); |
990c6c31a684
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Lachlan Andrew <lachlanbis@gmail.com>
parents:
21548
diff
changeset
|
2009 %! assert (c{2}', [12, 22]); |
990c6c31a684
Accept escape sequences in single quoted strings for "delimiter" (bug #47539)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21548
diff
changeset
|
2010 %! assert (c{3}', [13, 23]); |
990c6c31a684
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Lachlan Andrew <lachlanbis@gmail.com>
parents:
21548
diff
changeset
|
2011 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2012 %!test <*44750> |
21625 | 2013 %! c = textscan ("/home/foo/", "%s", "delimiter", "/", |
2014 %! "MultipleDelimsAsOne", 1); | |
2015 %! assert (c{1}, {"home"; "foo"}); | |
2016 | |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2017 ## FIXME: Test still fails (4/13/2016). |
21625 | 2018 ## Allow cuddling %sliteral, but warn it is ambiguous |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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diff
changeset
|
2019 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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diff
changeset
|
2020 %! C = textscan ("abcxyz51\nxyz83\n##xyz101", "%s xyz %d"); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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diff
changeset
|
2021 %! assert (C{1}([1 3]), {"abc"; "##"}); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2022 %! assert (isempty (C{1}{2}), true); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2023 %! assert (C{2}, int32 ([51; 83; 101])); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2024 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2025 ## Literals are not delimiters. |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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diff
changeset
|
2026 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2027 ## Test for false positives in check for non-supported format specifiers |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2028 %!test |
21625 | 2029 %! c = textscan ("Total: 32.5 % (of cm values)", |
2030 %! "Total: %f %% (of cm values)"); | |
2031 %! assert (c{1}, 32.5, 1e-5); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2032 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
2033 ## Test various forms of string format specifiers |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
2034 %!test <*45712> |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2035 %! str = "14 :1 z:2 z:3 z:5 z:11"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2036 %! C = textscan (str, "%f %s %*s %3s %*3s %f", "delimiter", ":"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2037 %! assert (C, {14, {"1 z"}, {"3 z"}, 11}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2038 |
21625 | 2039 ## Bit width, fixed width conversion specifiers |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2040 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2041 %! str2 = "123456789012345 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2042 %! str2 = [str2 str2 str2 str2 str2 str2 str2 str2]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2043 %! str2 = [str2 "123456789.01234 1234567890.1234 12345.678901234 12345.678901234"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2044 %! pttrn = "%3u8%*s %5u16%*s %10u32%*s %15u64 %3d8%*s %5d16%*s %10d32%*s %15d64 %9f32%*s %14f64%*s %10.2f32%*s %12.2f64%*s"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2045 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2046 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2047 %! assert (C{2}, uint16 (12345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2048 %! assert (C{3}, uint32 (1234567890)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2049 %! assert (C{4}, uint64 (123456789012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2050 %! assert (C{5}, int8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2051 %! assert (C{6}, int16 (12345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2052 %! assert (C{7}, int32 (1234567890)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2053 %! assert (C{8}, int64 (123456789012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2054 %! assert (C{9}, single (123456789), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2055 %! assert (C{10}, double (1234567890.123), 1e-15); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2056 %! assert (C{11}, single (12345.68), 1e-5); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2057 %! assert (C{12}, double (12345.68), 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2058 |
21625 | 2059 ## Bit width, fixed width conv. specifiers -- check the right amount is left |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2060 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2061 %! str2 = "123456789012345 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2062 %! str2 = [str2 str2 "123456789.01234"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2063 %! pttrn = "%3u8 %5u16 %10u32 %3d8 %5d16 %10d32 %9f32 %9f"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2064 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2065 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2066 %! assert (C{2}, uint16 (45678)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2067 %! assert (C{3}, uint32 (9012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2068 %! assert (C{4}, int8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2069 %! assert (C{5}, int16 (45678)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2070 %! assert (C{6}, int32 (9012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2071 %! assert (C{7}, single (123456789), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2072 %! assert (C{8}, double (0.01234), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2073 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2074 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2075 %! C = textscan ("123.123", "%2f %3f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2076 %! assert (C{1}, 12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2077 %! assert (C{2}, 3.1, 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
2078 %! assert (C{3}, 23); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2079 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2080 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2081 %! C = textscan ("123.123", "%3f %3f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2082 %! assert (C{1}, 123); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2083 %! assert (C{2}, 0.12, 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2084 %! assert (C{3}, 3); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2085 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2086 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2087 %! C = textscan ("123.123", "%4f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2088 %! assert (C{1}, 123); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2089 %! assert (C{2}, 123); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2090 |
21625 | 2091 ## field width interrupts exponent. (Matlab incorrectly gives [12, 2e12]) |
21502
7a19c5678f91
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changeset
|
2092 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2093 %! assert (textscan ("12e12", "%4f"), {[120; 2]}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2094 %! assert (textscan ("12e+12", "%5f"), {[120; 2]}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2095 %! assert (textscan ("125e-12","%6f"), {[12.5; 2]}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2096 |
21625 | 2097 ## %[] tests |
2098 ## Plain [..] and *[..] | |
21502
7a19c5678f91
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changeset
|
2099 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2100 %! ar = "abcdefguvwxAny\nacegxyzTrailing\nJunk"; |
7a19c5678f91
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changeset
|
2101 %! C = textscan (ar, "%[abcdefg] %*[uvwxyz] %s"); |
7a19c5678f91
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changeset
|
2102 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
7a19c5678f91
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changeset
|
2103 %! assert (C{2}, {"Any"; "Trailing"; "Junk"}); |
7a19c5678f91
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changeset
|
2104 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2105 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2106 %! assert (textscan ("A2 B2 C3", "%*[ABC]%d", 3), {int32([2; 2; 3])}); |
7a19c5678f91
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changeset
|
2107 |
21625 | 2108 ## [^..] and *[^..] |
21502
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changeset
|
2109 %!test |
7a19c5678f91
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changeset
|
2110 %! br = "abcdefguvwx1Any\nacegxyz2Trailing\n3Junk"; |
7a19c5678f91
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changeset
|
2111 %! C = textscan (br, "%[abcdefg] %*[^0123456789] %s"); |
7a19c5678f91
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changeset
|
2112 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
7a19c5678f91
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changeset
|
2113 %! assert (C{2}, {"1Any"; "2Trailing"; "3Junk"}); |
7a19c5678f91
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diff
changeset
|
2114 |
21625 | 2115 ## [..] and [^..] containing delimiters |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2116 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2117 %! cr = "ab cd efguv wx1Any\na ce gx yz2Trailing\n 3Junk"; |
21625 | 2118 %! C = textscan (cr, "%[ abcdefg] %*[^0123456789] %s", "delimiter", " \n", |
2119 %! "whitespace", ""); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2120 %! assert (C{1}, {"ab cd efg"; "a ce g"; " "}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2121 %! assert (C{2}, {"1Any"; "2Trailing"; "3Junk"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2122 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
2123 %!assert <*36464> (textscan ("1 2 3 4 5 6", "%*n%n%*[^\n]"){1}, 2); |
21625 | 2124 |
2125 ## test %[]] and %[^]] | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2126 %!test |
21625 | 2127 %! assert (textscan ("345]", "%*[123456]%[]]"){1}{1}, "]"); |
2128 %! assert (textscan ("345]", "%*[^]]%s"){1}{1}, "]"); | |
2129 | |
2130 ## Test that "-i" checks the next two characters | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2131 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2132 %! C = textscan ("-i -in -inf -infinity", "%f %f%s %f %f %s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2133 %! assert (C, {-i, -i, {"n"}, -Inf, -Inf, {"inity"}}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2134 |
21625 | 2135 ## Again for "+i", this time with custom parser |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2136 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2137 %! C = textscan ("+i +in +inf +infinity", "%f %f%s %f %f %s", "ExpChars", "eE"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2138 %! assert (C, {i, i, {"n"}, Inf, Inf, {"inity"}}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2139 |
21625 | 2140 ## Check single quoted format interprets control sequences |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2141 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2142 %! C = textscan ("1 2\t3 4", '%f %[^\t] %f %f'); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2143 %! assert (C, {1, {"2"}, 3, 4}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2144 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2145 ## Check a non-empty line with no valid conversion registers empytValue |
21532
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2146 %!test |
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2147 %! C = textscan ("Empty\n", "Empty%f %f"); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
2148 %! assert (C, { NaN, NaN }); |
21532
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2149 |
21625 | 2150 ## Check overflow and underflow of integer types |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2151 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2152 %! a = "-1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2153 %! b = "1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2154 %! fmt = "%d8 %d16 %d32 %d64 %u8 %u16 %u32 %u64 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2155 %! C = textscan ([a a a a a a a a b b b b b b b b], fmt); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2156 %! assert (C{1}, int8 ([-128; 127])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2157 %! assert (C{2}, int16 ([-32768; 32767])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2158 %! assert (C{3}, int32 ([-2147483648; 2147483647])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2159 %! assert (C{4}, int64 ([-9223372036854775808; 9223372036854775807])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2160 %! assert (C{5}, uint8 ([0; 255])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2161 %! assert (C{6}, uint16 ([0; 65535])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2162 %! assert (C{7}, uint32 ([0; 4294967295])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2163 %! assert (C{8}, uint64 ([0; 18446744073709551615])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2164 |
21625 | 2165 ## Tests from Matlab (does The MathWorks have any copyright over the input?) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2166 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2167 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2168 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2169 %! fprintf (fid,"09/12/2005 Level1 12.34 45 1.23e10 inf Nan Yes 5.1+3i\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2170 %! fprintf (fid,"10/12/2005 Level2 23.54 60 9e19 -inf 0.001 No 2.2-.5i\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2171 %! fprintf (fid,"11/12/2005 Level3 34.90 12 2e5 10 100 No 3.1+.1i\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2172 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2173 %! C = textscan (fid,"%s %s %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2174 %! %assert (C{1}, {"09/12/2005";"10/12/2005";"11/12/2005"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2175 %! assert (C{2}, {"Level1";"Level2";"Level3"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2176 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2177 %! assert (C{4}, [int8(45);int8(60);int8(12)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2178 %! assert (C{5}, [uint32(4294967295);uint32(4294967295);uint32(200000)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2179 %! assert (C{6}, [inf;-inf;10]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2180 %! assert (C{7}, [NaN;0.001;100], eps); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2181 %! assert (C{8}, {"Yes";"No";"No"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2182 %! assert (C{9}, [5.1+3i;2.2-0.5i;3.1+0.1i]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2183 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2184 %! C = textscan (fid,"%s Level%d %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2185 %! assert (C{2}, [int32(1);int32(2);int32(3)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2186 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2187 %! fseek (fid, 0, "bof"); |
21625 | 2188 %! C = textscan (fid, '%s %*[^\n]'); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2189 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2190 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2191 %! assert (C, {{"09/12/2005";"10/12/2005";"11/12/2005"}}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2192 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2193 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2194 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2195 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2196 %! fprintf (fid,"1, 2, 3, 4, , 6\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2197 %! fprintf (fid,"7, 8, 9, , 11, 12\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2198 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2199 %! C = textscan (fid,"%f %f %f %f %u8 %f", "Delimiter",",","EmptyValue",-Inf); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2200 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2201 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2202 %! assert (C{4}, [4; -Inf]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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21457
diff
changeset
|
2203 %! assert (C{5}, uint8 ([0; 11])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2204 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2205 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2206 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21457
diff
changeset
|
2207 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2208 %! fprintf (fid,"abc, 2, NA, 3, 4\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2209 %! fprintf (fid,"// Comment Here\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2210 %! fprintf (fid,"def, na, 5, 6, 7\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2211 %! fseek (fid, 0, "bof"); |
21625 | 2212 %! C = textscan (fid, "%s %n %n %n %n", "Delimiter", ",", |
2213 %! "TreatAsEmpty", {"NA","na"}, "CommentStyle", "//"); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2214 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2215 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2216 %! assert (C{1}, {"abc";"def"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2217 %! assert (C{2}, [2; NaN]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2218 %! assert (C{3}, [NaN; 5]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2219 %! assert (C{4}, [3; 6]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2220 %! assert (C{5}, [4; 7]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2221 |
21625 | 2222 ## FIXME: Almost passes. Second return value is {"/"}. Tested 4/14/16. |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2223 ## Test start of comment as string |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2224 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2225 %! c = textscan ("1 / 2 // 3", "%n %s %u8", "CommentStyle", {"//"}); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2226 %! assert (c(1), {1, "/", 2}); |
21507
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2227 |
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2228 %!assert (textscan (["1 2 3 4"; "5 6 7 8"], "%f"), {[15; 26; 37; 48]}) |
21566
02826fb0f261
textscan: Fix bug in exponent parsing
Mike Miller <mtmiller@octave.org>
parents:
21551
diff
changeset
|
2229 |
21625 | 2230 ## Check for delimiter after exponent |
21566
02826fb0f261
textscan: Fix bug in exponent parsing
Mike Miller <mtmiller@octave.org>
parents:
21551
diff
changeset
|
2231 %!assert (textscan ("1e-3|42", "%f", "delimiter", "|"), {[1e-3; 42]}) |
24303
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2232 |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2233 %!test <*52479> |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2234 %! str = "\t\ta\tb\tc\n"; |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2235 %! ret = textscan (str, "%s", "delimiter", "\t"); |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2236 %! assert (ret, { {''; ''; 'a'; 'b'; 'c'} }); |
24303
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2237 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2238 %!test <*52479> |
24303
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2239 %! str = "\t\ta\tb\tc\n"; |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2240 %! ret = textscan (str, "%s", "delimiter", {"\t"}); |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2241 %! assert (ret, { {''; ''; 'a'; 'b'; 'c'} }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2242 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2243 %!test <*52550> |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2244 %! str = ",,1,2,3\n"; |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2245 %! obs = textscan (str, "%d", "delimiter", ","); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2246 %! assert (obs, { [0; 0; 1; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2247 %! obs = textscan (str, "%d", "delimiter", {","}); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2248 %! assert (obs, { [0; 0; 1; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2249 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2250 %!test <*52550> |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2251 %! str = " , ,1,2,3\n"; |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2252 %! obs = textscan (str, "%d", "delimiter", ","); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2253 %! assert (obs, { [0; 0; 1; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2254 %! textscan (str, "%d", "delimiter", {","}); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2255 %! assert (obs, { [0; 0; 1; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2256 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2257 %!test <*52550> |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2258 %! str = " 0 , 5+6j , -INF+INFj ,NaN,3\n"; |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2259 %! obs = textscan (str, "%f", "delimiter", ","); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2260 %! assert (obs, { [0; 5+6i; complex(-Inf,Inf); NaN; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2261 %! obs = textscan (str, "%f", "delimiter", {","}); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2262 %! assert (obs, { [0; 5+6i; complex(-Inf,Inf); NaN; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2263 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2264 %!test <*52550> |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2265 %! str = " 0;,;,1;,2;,3\n"; |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2266 %! assert (textscan (str, "%f", "delimiter", {";,"}), { [0; NaN; 1; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2267 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2268 %!test <*52550> |
24346
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2269 %! str = " 0 ;1 , $ 2 ;3\n"; |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2270 %! obs = textscan (str, "%f", "delimiter", ",;$"); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2271 %! assert (obs, { [0; 1; NaN; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2272 %! obs = textscan (str, "%f", "delimiter", {",",";","$"}); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2273 %! assert (obs, { [0; 1; NaN; 2; 3] }); |
24303
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2274 |
26706
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2275 ## file stream with encoding |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2276 %!test |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2277 %! f = tempname (); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2278 %! fid = fopen (f, "w+", "n", "iso-8859-1"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2279 %! unwind_protect |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2280 %! fprintf (fid, "abc,äöü\n"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2281 %! fseek (fid, 0, "bof"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2282 %! obs = textscan (fid, "%s", "delimiter", ","); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2283 %! fclose (fid); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2284 %! assert (obs, { {"abc"; "äöü"} }); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2285 %! unwind_protect_cleanup |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2286 %! unlink (f); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2287 %! end_unwind_protect |
27424
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2288 |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2289 %!test <*56917> |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2290 %! str = '"a,b","c"'; |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2291 %! obs = textscan (str, "%q", "delimiter", ","); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2292 %! assert (obs, { { "a,b"; "c" } }); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2293 |
28182
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2294 %!test <*58008> |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2295 %! txt = sprintf ('literal_other_1_1;literal_other_1_2\nliteral_other_2_1;literal_other_2_2\nliteral_other_3_1;literal_other_3_2'); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2296 %! nm1 = textscan (txt, 'literal%s literal%s', 'Delimiter', ';'); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2297 %! assert (nm1{1}, {"_other_1_1" ; "_other_2_1" ; "_other_3_1"}); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2298 %! assert (nm1{2}, {"_other_1_2" ; "_other_2_2" ; "_other_3_2"}); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2299 %! nm2 = textscan (txt, 'literal%s;literal%s', 'Delimiter', ';'); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2300 %! assert (nm1, nm2); |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2301 |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2302 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2303 %! str = sprintf (['101,' '\n' '201,']); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2304 %! C = textscan (str, '%s%q', 'Delimiter', ','); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2305 %! assert (size (C), [1, 2]); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2306 %! assert (C{1}, { "101"; "201" }); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2307 %! assert (C{2}, { ""; "" }); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2308 |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2309 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2310 %! str = sprintf (['101,' '\n' '201,']); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2311 %! C = textscan (str, '%s%f', 'Delimiter', ','); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2312 %! assert (size (C), [1, 2]); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2313 %! assert (C{1}, { "101"; "201" }); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2314 %! assert (C{2}, [ NaN; NaN ]); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2315 |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2316 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2317 %! str = sprintf (['101,' '\n' '201,']); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2318 %! C = textscan (str, '%s%d', 'Delimiter', ','); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2319 %! assert (size (C), [1, 2]); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2320 %! assert (C{1}, { "101"; "201" }); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2321 %! assert (C{2}, int32 ([ 0; 0 ])); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2322 |
28184
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2323 %!test <*51093> |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2324 %! str = sprintf ('a\t\tb\tc'); |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2325 %! C = textscan (str, '%s', 'Delimiter', '\t', 'MultipleDelimsAsOne', false); |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2326 %! assert (C{1}, {'a'; ''; 'b'; 'c'}); |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2327 |
29494
76269aa97398
if bug number is supplied, prefer '%!test' over '%!xtest'
John W. Eaton <jwe@octave.org>
parents:
29359
diff
changeset
|
2328 %!test <50743> |
28185
493d46a02edc
test: Add %!xtest for bug #50743 so it is not forgotten (bug #50743).
Rik <rik@octave.org>
parents:
28184
diff
changeset
|
2329 %! C = textscan ('5973459727478852968', '%u64'); |
493d46a02edc
test: Add %!xtest for bug #50743 so it is not forgotten (bug #50743).
Rik <rik@octave.org>
parents:
28184
diff
changeset
|
2330 %! assert (C{1}, uint64 (5973459727478852968)); |
493d46a02edc
test: Add %!xtest for bug #50743 so it is not forgotten (bug #50743).
Rik <rik@octave.org>
parents:
28184
diff
changeset
|
2331 |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2332 */ |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2333 |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2334 // These tests have end-comment sequences, so can't just be in a comment |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2335 #if 0 |
21625 | 2336 ## Test unfinished comment |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2337 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2338 %! c = textscan ("1 2 /* half comment", "%n %u8", "CommentStyle", {"/*", "*/"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2339 %! assert (c, {1, 2}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2340 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2341 ## Test reading from a real file |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2342 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2343 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2344 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2345 %! d = rand (1, 4); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2346 %! fprintf (fid, " %f %f /* comment */ %f %f ", d); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2347 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2348 %! A = textscan (fid, "%f %f", "CommentStyle", {"/*", "*/"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2349 %! E = feof (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2350 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2351 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2352 %! assert (A{1}, [d(1); d(3)], 1e-6); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2353 %! assert (A{2}, [d(2); d(4)], 1e-6); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2354 %! assert (E); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2355 #endif |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2356 |
21625 | 2357 /* |
2358 ## Test input validation | |
2359 %!error textscan () | |
26640
c18e59476795
file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents:
26378
diff
changeset
|
2360 %!error <file id must be> textscan (single (4)) |
c18e59476795
file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents:
26378
diff
changeset
|
2361 %!error <file id must be> textscan ({4}) |
21625 | 2362 %!error <must be a string> textscan ("Hello World", 2) |
2363 %!error <at most one character or> | |
2364 %! textscan ("Hello World", "%s", "EndOfLine", 3); | |
2365 %!error <'%z' is not a valid format specifier> textscan ("1.0", "%z") | |
2366 %!error <no valid format conversion specifiers> textscan ("1.0", "foo") | |
2367 */ | |
2368 | |
2116 | 2369 static octave_value |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2370 do_fread (stream& os, const octave_value& size_arg, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2371 const octave_value& prec_arg, const octave_value& skip_arg, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2372 const octave_value& arch_arg, octave_idx_type& count) |
2116 | 2373 { |
2374 count = -1; | |
2375 | |
20703
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2376 Array<double> size = size_arg.xvector_value ("fread: invalid SIZE specified"); |
85e5efae848a
eliminate more uses of error_state
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parents:
20700
diff
changeset
|
2377 |
85e5efae848a
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John W. Eaton <jwe@octave.org>
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20700
diff
changeset
|
2378 std::string prec = prec_arg.xstring_value ("fread: PRECISION must be a string"); |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2379 |
85e5efae848a
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John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2380 int block_size = 1; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2381 oct_data_conv::data_type input_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2382 oct_data_conv::data_type output_type; |
85e5efae848a
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John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2383 |
20741
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2384 try |
2116 | 2385 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2386 oct_data_conv::string_to_data_type (prec, block_size, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2387 input_type, output_type); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2388 } |
29961
7d6709900da7
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John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2389 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2390 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2391 error (ee, "fread: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2392 } |
4944 | 2393 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2394 int skip = 0; |
3202 | 2395 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2396 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2397 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2398 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2399 } |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2400 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2401 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2402 error (ee, "fread: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2403 } |
2116 | 2404 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2405 std::string arch = arch_arg.xstring_value ("fread: ARCH architecture type must be a string"); |
2116 | 2406 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2407 mach_info::float_format flt_fmt |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2408 = mach_info::string_to_float_format (arch); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2409 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2410 return os.read (size, block_size, input_type, output_type, skip, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2411 flt_fmt, count); |
2116 | 2412 } |
2413 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2414 DEFMETHOD (fread, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2415 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2416 @deftypefn {} {@var{val} =} fread (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2417 @deftypefnx {} {@var{val} =} fread (@var{fid}, @var{size}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2418 @deftypefnx {} {@var{val} =} fread (@var{fid}, @var{size}, @var{precision}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2419 @deftypefnx {} {@var{val} =} fread (@var{fid}, @var{size}, @var{precision}, @var{skip}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2420 @deftypefnx {} {@var{val} =} fread (@var{fid}, @var{size}, @var{precision}, @var{skip}, @var{arch}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2421 @deftypefnx {} {[@var{val}, @var{count}] =} fread (@dots{}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2422 Read binary data from the file specified by the file descriptor @var{fid}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2423 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2424 The optional argument @var{size} specifies the amount of data to read |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2425 and may be one of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2426 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
2427 @table @code |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2428 @item Inf |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2429 Read as much as possible, returning a column vector. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2430 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2431 @item @var{nr} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2432 Read up to @var{nr} elements, returning a column vector. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
2433 |
112b20240c87
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diff
changeset
|
2434 @item [@var{nr}, Inf] |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2435 Read as much as possible, returning a matrix with @var{nr} rows. If the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2436 number of elements read is not an exact multiple of @var{nr}, the last |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
2437 column is padded with zeros. |
112b20240c87
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diff
changeset
|
2438 |
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diff
changeset
|
2439 @item [@var{nr}, @var{nc}] |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2440 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2441 @var{nr} rows. If the number of elements read is not an exact multiple |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
2442 of @var{nr}, the last column is padded with zeros. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2443 @end table |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2444 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2445 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2446 If @var{size} is omitted, a value of @code{Inf} is assumed. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2447 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2448 The optional argument @var{precision} is a string specifying the type of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2449 data to read and may be one of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2450 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2451 @table @asis |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2452 @item @qcode{"uint8"} (default) |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2453 8-bit unsigned integer. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2454 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2455 @item @qcode{"int8"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2456 @itemx @qcode{"integer*1"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2457 8-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2458 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2459 @item @qcode{"uint16"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2460 @itemx @qcode{"ushort"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2461 @itemx @qcode{"unsigned short"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2462 16-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2463 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2464 @item @qcode{"int16"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2465 @itemx @qcode{"integer*2"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2466 @itemx @qcode{"short"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2467 16-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2468 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2469 @item @qcode{"uint"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2470 @itemx @qcode{"uint32"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2471 @itemx @qcode{"unsigned int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2472 @itemx @qcode{"ulong"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2473 @itemx @qcode{"unsigned long"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2474 32-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2475 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2476 @item @qcode{"int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2477 @itemx @qcode{"int32"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2478 @itemx @qcode{"integer*4"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2479 @itemx @qcode{"long"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2480 32-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2481 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2482 @item @qcode{"uint64"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2483 64-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2484 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2485 @item @qcode{"int64"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2486 @itemx @qcode{"integer*8"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2487 64-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2488 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2489 @item @qcode{"single"} |
23949
58435a400d4e
Document that fread 'float' size is 32 bits (bug #41672).
Rik <rik@octave.org>
parents:
23924
diff
changeset
|
2490 @itemx @qcode{"float"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2491 @itemx @qcode{"float32"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2492 @itemx @qcode{"real*4"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2493 32-bit floating point number. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2494 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2495 @item @qcode{"double"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2496 @itemx @qcode{"float64"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2497 @itemx @qcode{"real*8"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2498 64-bit floating point number. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2499 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2500 @item @qcode{"char"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2501 @itemx @qcode{"char*1"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2502 8-bit single character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2503 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2504 @item @qcode{"uchar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2505 @itemx @qcode{"unsigned char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2506 8-bit unsigned character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2507 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2508 @item @qcode{"schar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2509 @itemx @qcode{"signed char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2510 8-bit signed character. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2511 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2512 @end table |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2513 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2514 @noindent |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2515 The default precision is @qcode{"uint8"}. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2516 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2517 The @var{precision} argument may also specify an optional repeat |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2518 count. For example, @samp{32*single} causes @code{fread} to read |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2519 a block of 32 single precision floating point numbers. Reading in |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2520 blocks is useful in combination with the @var{skip} argument. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2521 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2522 The @var{precision} argument may also specify a type conversion. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2523 For example, @samp{int16=>int32} causes @code{fread} to read 16-bit |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2524 integer values and return an array of 32-bit integer values. By |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2525 default, @code{fread} returns a double precision array. The special |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2526 form @samp{*TYPE} is shorthand for @samp{TYPE=>TYPE}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2527 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2528 The conversion and repeat counts may be combined. For example, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2529 specification @samp{32*single=>single} causes @code{fread} to read |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2530 blocks of single precision floating point values and return an array |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2531 of single precision values instead of the default array of double |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2532 precision values. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2533 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2534 The optional argument @var{skip} specifies the number of bytes to skip |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2535 after each element (or block of elements) is read. If it is not |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2536 specified, a value of 0 is assumed. If the final block read is not |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2537 complete, the final skip is omitted. For example, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2538 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2539 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2540 fread (f, 10, "3*single=>single", 8) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2541 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2542 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2543 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2544 will omit the final 8-byte skip because the last read will not be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2545 a complete block of 3 values. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2546 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2547 The optional argument @var{arch} is a string specifying the data format |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2548 for the file. Valid values are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2549 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2550 @table @asis |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2551 @item @qcode{"native"} or @qcode{"n"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2552 The format of the current machine. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2553 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2554 @item @qcode{"ieee-be"} or @qcode{"b"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2555 IEEE big endian. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2556 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2557 @item @qcode{"ieee-le"} or @qcode{"l"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2558 IEEE little endian. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
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|
2559 @end table |
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move docstrings in C++ files out of C strings and into comments
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|
2560 |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
2561 If no @var{arch} is given the value used in the call to @code{fopen} which |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2562 created the file descriptor is used. Otherwise, the value specified with |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2563 @code{fread} overrides that of @code{fopen} and determines the data format. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
2564 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2565 The output argument @var{val} contains the data read from the file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2566 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
2567 The optional return value @var{count} contains the number of elements read. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2568 @seealso{fwrite, fgets, fgetl, fscanf, fopen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
2569 @end deftypefn */) |
529 | 2570 { |
2116 | 2571 int nargin = args.length (); |
2572 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2573 if (nargin < 1 || nargin > 5) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2574 print_usage (); |
2116 | 2575 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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29958
diff
changeset
|
2576 stream_list& streams = interp.get_stream_list (); |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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changeset
|
2577 |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2578 stream os = streams.lookup (args(0), "fread"); |
2116 | 2579 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2580 octave_value size = lo_ieee_inf_value (); |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2581 octave_value prec = "uint8"; |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2582 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2583 octave_value arch = "unknown"; |
2116 | 2584 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2585 int idx = 1; |
2116 | 2586 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2587 if (nargin > idx && ! args(idx).is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2588 size = args(idx++); |
2116 | 2589 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2590 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2591 prec = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2592 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2593 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2594 skip = args(idx++); |
4257 | 2595 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2596 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2597 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2598 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2599 { |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2600 arch = skip; |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2601 skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2602 } |
2116 | 2603 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2604 octave_idx_type count = -1; |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20457
diff
changeset
|
2605 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2606 octave_value tmp = do_fread (os, size, prec, skip, arch, count); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2607 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2608 return ovl (tmp, count); |
529 | 2609 } |
2610 | |
2116 | 2611 static int |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2612 do_fwrite (stream& os, const octave_value& data, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2613 const octave_value& prec_arg, const octave_value& skip_arg, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2614 const octave_value& arch_arg) |
2116 | 2615 { |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20687
diff
changeset
|
2616 std::string prec = prec_arg.xstring_value ("fwrite: PRECISION must be a string"); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2617 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2618 int block_size = 1; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2619 oct_data_conv::data_type output_type; |
2116 | 2620 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2621 try |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2622 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2623 oct_data_conv::string_to_data_type (prec, block_size, output_type); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2624 } |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2625 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2626 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2627 error (ee, "fwrite: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2628 } |
2116 | 2629 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2630 int skip = 0; |
3202 | 2631 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2632 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2633 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2634 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2635 } |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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29958
diff
changeset
|
2636 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2637 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2638 error (ee, "fwrite: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2639 } |
2116 | 2640 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2641 std::string arch = arch_arg.xstring_value ("fwrite: ARCH architecture type must be a string"); |
2116 | 2642 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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29958
diff
changeset
|
2643 mach_info::float_format flt_fmt |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2644 = mach_info::string_to_float_format (arch); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2645 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2646 return os.write (data, block_size, output_type, skip, flt_fmt); |
2116 | 2647 } |
2648 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2649 DEFMETHOD (fwrite, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2650 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2651 @deftypefn {} {} fwrite (@var{fid}, @var{data}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2652 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2653 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2654 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}, @var{arch}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2655 @deftypefnx {} {@var{count} =} fwrite (@dots{}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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changeset
|
2656 Write data in binary form to the file specified by the file descriptor |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2657 @var{fid}, returning the number of values @var{count} successfully written |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2658 to the file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2659 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
2660 The argument @var{data} is a matrix of values that are to be written to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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changeset
|
2661 the file. The values are extracted in column-major order. |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2662 |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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changeset
|
2663 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2664 optional, and are interpreted as described for @code{fread}. |
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changeset
|
2665 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2666 The behavior of @code{fwrite} is undefined if the values in @var{data} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2667 are too large to fit in the specified precision. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2668 @seealso{fread, fputs, fprintf, fopen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2669 @end deftypefn */) |
1181 | 2670 { |
2116 | 2671 int nargin = args.length (); |
2672 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2673 if (nargin < 2 || nargin > 5) |
5823 | 2674 print_usage (); |
2116 | 2675 |
29961
7d6709900da7
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John W. Eaton <jwe@octave.org>
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changeset
|
2676 stream_list& streams = interp.get_stream_list (); |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
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changeset
|
2677 |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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changeset
|
2678 stream os = streams.lookup (args(0), "fwrite"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2679 |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2680 octave_value prec = "uchar"; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2681 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2682 octave_value arch = "unknown"; |
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diff
changeset
|
2683 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2684 int idx = 1; |
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diff
changeset
|
2685 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2686 octave_value data = args(idx++); |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2687 |
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John W. Eaton <jwe@octave.org>
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changeset
|
2688 if (nargin > idx) |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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changeset
|
2689 prec = args(idx++); |
2d6ddb2b157c
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20785
diff
changeset
|
2690 |
2d6ddb2b157c
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changeset
|
2691 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2692 skip = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2693 |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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changeset
|
2694 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2695 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2696 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2697 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2698 arch = skip; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2699 skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2700 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2701 |
21127
df7891224709
maint: Use "return ovl (...)" in DEFUN macros.
Rik <rik@octave.org>
parents:
21126
diff
changeset
|
2702 return ovl (do_fwrite (os, data, prec, skip, arch)); |
1181 | 2703 } |
2704 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2705 DEFMETHODX ("feof", Ffeof, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
2706 doc: /* -*- texinfo -*- |
21966
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move docstrings in C++ files out of C strings and into comments
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diff
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|
2707 @deftypefn {} {@var{status} =} feof (@var{fid}) |
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move docstrings in C++ files out of C strings and into comments
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|
2708 Return 1 if an end-of-file condition has been encountered for the file |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2709 specified by file descriptor @var{fid} and 0 otherwise. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2710 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2711 Note that @code{feof} will only return 1 if the end of the file has already |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2712 been encountered, not if the next read operation will result in an |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2713 end-of-file condition. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2714 @seealso{fread, frewind, fseek, fclear, fopen} |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2715 @end deftypefn */) |
529 | 2716 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2717 if (args.length () != 1) |
5823 | 2718 print_usage (); |
444 | 2719 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2720 stream_list& streams = interp.get_stream_list (); |
7d6709900da7
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|
2721 |
7d6709900da7
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2722 stream os = streams.lookup (args(0), "feof"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2723 |
21127
df7891224709
maint: Use "return ovl (...)" in DEFUN macros.
Rik <rik@octave.org>
parents:
21126
diff
changeset
|
2724 return ovl (os.eof () ? 1.0 : 0.0); |
444 | 2725 } |
2726 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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|
2727 DEFMETHODX ("ferror", Fferror, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
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|
2728 doc: /* -*- texinfo -*- |
21966
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move docstrings in C++ files out of C strings and into comments
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2729 @deftypefn {} {@var{msg} =} ferror (@var{fid}) |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2730 @deftypefnx {} {[@var{msg}, @var{err}] =} ferror (@var{fid}) |
22725
37e53505e2eb
doc: Use Texinfo dots macro to create ellipses.
Rik <rik@octave.org>
parents:
22720
diff
changeset
|
2731 @deftypefnx {} {[@dots{}] =} ferror (@var{fid}, "clear") |
24933
75a748cb08a6
doc: end first sentences of doc strings with a period (bug #53388)
Mike Miller <mtmiller@octave.org>
parents:
24801
diff
changeset
|
2732 Query the error status of the stream specified by file descriptor @var{fid}. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2733 |
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|
2734 If an error condition exists then return a string @var{msg} describing the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2735 error. Otherwise, return an empty string @qcode{""}. |
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changeset
|
2736 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2737 The second input @qcode{"clear"} is optional. If supplied, the error |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2738 state on the stream will be cleared. |
112b20240c87
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diff
changeset
|
2739 |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2740 The optional second output is a numeric indication of the error status. |
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move docstrings in C++ files out of C strings and into comments
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|
2741 @var{err} is 1 if an error condition has been encountered and 0 otherwise. |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2742 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2743 Note that @code{ferror} indicates if an error has already occurred, not |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2744 whether the next operation will result in an error condition. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2745 @seealso{fclear, fopen} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2746 @end deftypefn */) |
1230 | 2747 { |
2095 | 2748 int nargin = args.length (); |
1230 | 2749 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2750 if (nargin < 1 || nargin > 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2751 print_usage (); |
1230 | 2752 |
29961
7d6709900da7
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changeset
|
2753 stream_list& streams = interp.get_stream_list (); |
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|
2754 |
7d6709900da7
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diff
changeset
|
2755 stream os = streams.lookup (args(0), "ferror"); |
1230 | 2756 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2757 bool clear = false; |
2095 | 2758 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2759 if (nargin == 2) |
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changeset
|
2760 { |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2761 std::string opt = args(1).string_value (); |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20457
diff
changeset
|
2762 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2763 clear = (opt == "clear"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2764 } |
1755 | 2765 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2766 int error_number = 0; |
1230 | 2767 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2768 std::string error_message = os.error (clear, error_number); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2769 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2770 return ovl (error_message, error_number); |
1230 | 2771 } |
2772 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2773 DEFMETHODX ("popen", Fpopen, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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changeset
|
2774 doc: /* -*- texinfo -*- |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2775 @deftypefn {} {@var{fid} =} popen (@var{command}, @var{mode}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2776 Start a process and create a pipe. |
112b20240c87
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diff
changeset
|
2777 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2778 The name of the command to run is given by @var{command}. The argument |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2779 @var{mode} may be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2780 |
22720
766b0163b3b7
doc: Don't create @tables of type @code with @qcode entries.
Rik <rik@octave.org>
parents:
22511
diff
changeset
|
2781 @table @asis |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2782 @item @qcode{"r"} |
112b20240c87
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|
2783 The pipe will be connected to the standard output of the process, and |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2784 open for reading. |
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changeset
|
2785 |
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move docstrings in C++ files out of C strings and into comments
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|
2786 @item @qcode{"w"} |
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move docstrings in C++ files out of C strings and into comments
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|
2787 The pipe will be connected to the standard input of the process, and |
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move docstrings in C++ files out of C strings and into comments
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|
2788 open for writing. |
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move docstrings in C++ files out of C strings and into comments
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|
2789 @end table |
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|
2790 |
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|
2791 The file identifier corresponding to the input or output stream of the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2792 process is returned in @var{fid}. |
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|
2793 |
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|
2794 For example: |
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changeset
|
2795 |
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|
2796 @example |
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move docstrings in C++ files out of C strings and into comments
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2797 @group |
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|
2798 fid = popen ("ls -ltr / | tail -3", "r"); |
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|
2799 while (ischar (s = fgets (fid))) |
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|
2800 fputs (stdout, s); |
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2801 endwhile |
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|
2802 |
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2803 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc |
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2804 @print{} drwxr-xr-x 3 root root 1024 Feb 15 13:28 lib |
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2805 @print{} drwxrwxrwt 15 root root 2048 Feb 17 14:53 tmp |
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|
2806 @end group |
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2807 @end example |
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|
2808 @seealso{popen2} |
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|
2809 @end deftypefn */) |
1230 | 2810 { |
20805
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|
2811 if (args.length () != 2) |
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changeset
|
2812 print_usage (); |
1230 | 2813 |
20805
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eliminate return statements after calls to print_usage
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|
2814 std::string name = args(0).xstring_value ("popen: COMMAND must be a string"); |
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|
2815 std::string mode = args(1).xstring_value ("popen: MODE must be a string"); |
1230 | 2816 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
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20898
diff
changeset
|
2817 octave_value retval; |
6f0bd96f93c0
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Rik <rik@octave.org>
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20898
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|
2818 |
29961
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|
2819 stream_list& streams = interp.get_stream_list (); |
23738
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don't use singleton for stream_list object
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|
2820 |
20805
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changeset
|
2821 if (mode == "r") |
2d6ddb2b157c
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|
2822 { |
29961
7d6709900da7
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John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2823 stream ips = octave_iprocstream::create (name); |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2824 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2825 retval = streams.insert (ips); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2826 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2827 else if (mode == "w") |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2828 { |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2829 stream ops = octave_oprocstream::create (name); |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2830 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2831 retval = streams.insert (ops); |
2095 | 2832 } |
1230 | 2833 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2834 error ("popen: invalid MODE specified"); |
1230 | 2835 |
2836 return retval; | |
2837 } | |
2838 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2839 DEFMETHODX ("pclose", Fpclose, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2840 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2841 @deftypefn {} {} pclose (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2842 Close a file identifier that was opened by @code{popen}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2843 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2844 The function @code{fclose} may also be used for the same purpose. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2845 @seealso{fclose, popen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2846 @end deftypefn */) |
1230 | 2847 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2848 if (args.length () != 1) |
5823 | 2849 print_usage (); |
1379 | 2850 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2851 stream_list& streams = interp.get_stream_list (); |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2852 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2853 return ovl (streams.remove (args(0), "pclose")); |
1379 | 2854 } |
2855 | |
19278
6ca096827123
Use tempname() rather than tmpnam() in core Octave.
Rik <rik@octave.org>
parents:
19268
diff
changeset
|
2856 DEFUN (tempname, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2857 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2858 @deftypefn {} {@var{fname} =} tempname () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2859 @deftypefnx {} {@var{fname} =} tempname (@var{dir}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2860 @deftypefnx {} {@var{fname} =} tempname (@var{dir}, @var{prefix}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2861 Return a unique temporary filename as a string. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2862 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2863 If @var{prefix} is omitted, a value of @qcode{"oct-"} is used. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2864 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2865 If @var{dir} is also omitted, the default directory for temporary files |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2866 (@code{P_tmpdir}) is used. If @var{dir} is provided, it must exist, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2867 otherwise the default directory for temporary files is used. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2868 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2869 Programming Note: Because the named file is not opened by @code{tempname}, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2870 it is possible, though relatively unlikely, that it will not be available |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2871 by the time your program attempts to open it. If this is a concern, |
28960
e5a1087f15d5
doc: Use @xref, @pxref rather than "see @code{}" in TexInfo in libinterp/
Rik <rik@octave.org>
parents:
28715
diff
changeset
|
2872 @pxref{XREFtmpfile,,@code{tmpfile}}. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2873 @seealso{mkstemp, tempdir, P_tmpdir, tmpfile} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2874 @end deftypefn */) |
1802 | 2875 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2876 int nargin = args.length (); |
2936 | 2877 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2878 if (nargin > 2) |
5823 | 2879 print_usage (); |
1802 | 2880 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2881 std::string dir; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2882 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2883 if (nargin > 0) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2884 dir = args(0).xstring_value ("tempname: DIR must be a string"); |
22511
1e81abd0314a
tempname: respect the value of $TMPDIR if set, be consistent with tempdir
Mike Miller <mtmiller@octave.org>
parents:
22489
diff
changeset
|
2885 else |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2886 dir = sys::env::getenv ("TMPDIR"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2887 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2888 std::string pfx ("oct-"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2889 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2890 if (nargin > 1) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2891 pfx = args(1).xstring_value ("tempname: PREFIX must be a string"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2892 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2893 return ovl (sys::tempnam (dir, pfx)); |
1802 | 2894 } |
2895 | |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2896 /* |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2897 %!test |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2898 %! envvar = {"TMPDIR", "TMP"}; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2899 %! envdir = cellfun (@(x) getenv (x), envvar, "uniformoutput", false); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2900 %! unwind_protect |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2901 %! cellfun (@(x) unsetenv (x), envvar); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2902 %! envname = "TMPDIR"; |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2903 %! def_tmpdir = P_tmpdir; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2904 %! ## Strip trailing file separators from P_tmpdir |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2905 %! while (length (def_tmpdir) > 2 && any (def_tmpdir(end) == filesep ("all"))) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2906 %! def_tmpdir(end) = []; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2907 %! endwhile |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2908 %! |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2909 %! ## Test 0-argument form |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2910 %! fname = tempname (); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2911 %! [tmpdir, tmpfname] = fileparts (fname); |
21457
05ffef4ebf62
tempname: Fix failing BIST test when P_tmpdir has trailing slash
Mike Miller <mtmiller@octave.org>
parents:
21301
diff
changeset
|
2912 %! assert (tmpdir, def_tmpdir); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2913 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2914 %! ## Test 1-argument form |
21457
05ffef4ebf62
tempname: Fix failing BIST test when P_tmpdir has trailing slash
Mike Miller <mtmiller@octave.org>
parents:
21301
diff
changeset
|
2915 %! tmp_tmpdir = [def_tmpdir filesep() substr(tmpfname, -5)]; |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2916 %! mkdir (tmp_tmpdir) || error ("Unable to create tmp dir"); |
21457
05ffef4ebf62
tempname: Fix failing BIST test when P_tmpdir has trailing slash
Mike Miller <mtmiller@octave.org>
parents:
21301
diff
changeset
|
2917 %! setenv (envname, def_tmpdir); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2918 %! fname = tempname (tmp_tmpdir); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2919 %! [tmpdir, tmpfname] = fileparts (fname); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2920 %! assert (tmpdir, tmp_tmpdir); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2921 %! assert (tmpfname (1:4), "oct-"); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2922 %! ## Test 1-argument form w/null tmpdir |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2923 %! fname = tempname (""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2924 %! [tmpdir, tmpfname] = fileparts (fname); |
21457
05ffef4ebf62
tempname: Fix failing BIST test when P_tmpdir has trailing slash
Mike Miller <mtmiller@octave.org>
parents:
21301
diff
changeset
|
2925 %! assert (tmpdir, def_tmpdir); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2926 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2927 %! ## Test 2-argument form |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2928 %! fname = tempname (tmp_tmpdir, "pfx-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2929 %! [tmpdir, tmpfname] = fileparts (fname); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2930 %! assert (tmpdir, tmp_tmpdir); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2931 %! assert (tmpfname (1:4), "pfx-"); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2932 %! ## Test 2-argument form w/null prefix |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2933 %! fname = tempname (tmp_tmpdir, ""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2934 %! [tmpdir, tmpfname] = fileparts (fname); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2935 %! assert (tmpdir, tmp_tmpdir); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2936 %! assert (tmpfname (1:4), "file"); |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2937 %! unwind_protect_cleanup |
28087
9cb04a9e81ec
rmdir: throw an error if operation fails and nargout == 0 (bug #57830).
Rik <rik@octave.org>
parents:
28052
diff
changeset
|
2938 %! sts = rmdir (tmp_tmpdir); |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2939 %! for i = 1:numel (envvar) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2940 %! if (isempty (envdir{i})) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2941 %! unsetenv (envvar{i}); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2942 %! else |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2943 %! setenv (envvar{i}, envdir{i}); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2944 %! endif |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2945 %! endfor |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2946 %! end_unwind_protect |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2947 */ |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2948 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2949 DEFMETHOD (tmpfile, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2950 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2951 @deftypefn {} {[@var{fid}, @var{msg}] =} tmpfile () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2952 Return the file ID corresponding to a new temporary file with a unique |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2953 name. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2954 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2955 The file is opened in binary read/write (@qcode{"w+b"}) mode and will be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2956 deleted automatically when it is closed or when Octave exits. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2957 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2958 If successful, @var{fid} is a valid file ID and @var{msg} is an empty |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2959 string. Otherwise, @var{fid} is -1 and @var{msg} contains a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2960 system-dependent error message. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2961 @seealso{tempname, mkstemp, tempdir, P_tmpdir} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2962 @end deftypefn */) |
4326 | 2963 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2964 if (args.length () != 0) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2965 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2966 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2967 octave_value_list retval; |
4326 | 2968 |
21991
80659e58609f
provide wrapper for tmpfile (bug #48337)
John W. Eaton <jwe@octave.org>
parents:
21966
diff
changeset
|
2969 FILE *fid = octave_tmpfile_wrapper (); |
4326 | 2970 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2971 if (fid) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2972 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2973 std::string nm; |
4326 | 2974 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2975 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b"); |
4326 | 2976 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
2977 stream s = stdiostream::create (nm, fid, md); |
4326 | 2978 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2979 if (! s) |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2980 { |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2981 fclose (fid); |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2982 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
2983 error ("tmpfile: failed to create stdiostream object"); |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2984 } |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2985 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2986 stream_list& streams = interp.get_stream_list (); |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2987 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2988 retval = ovl (streams.insert (s), ""); |
4326 | 2989 } |
2990 else | |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2991 retval = ovl (-1, std::strerror (errno)); |
4326 | 2992 |
2993 return retval; | |
2994 } | |
2995 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2996 DEFMETHOD (mkstemp, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2997 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2998 @deftypefn {} {[@var{fid}, @var{name}, @var{msg}] =} mkstemp ("@var{template}") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2999 @deftypefnx {} {[@var{fid}, @var{name}, @var{msg}] =} mkstemp ("@var{template}", @var{delete}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3000 Return the file descriptor @var{fid} corresponding to a new temporary file |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3001 with a unique name created from @var{template}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3002 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3003 The last six characters of @var{template} must be @qcode{"XXXXXX"} and |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3004 these are replaced with a string that makes the filename unique. The file |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3005 is then created with mode read/write and permissions that are system |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3006 dependent (on GNU/Linux systems, the permissions will be 0600 for versions |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3007 of glibc 2.0.7 and later). The file is opened in binary mode and with the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3008 @w{@code{O_EXCL}} flag. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3009 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3010 If the optional argument @var{delete} is supplied and is true, the file will |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3011 be deleted automatically when Octave exits. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3012 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3013 If successful, @var{fid} is a valid file ID, @var{name} is the name of the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3014 file, and @var{msg} is an empty string. Otherwise, @var{fid} is -1, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3015 @var{name} is empty, and @var{msg} contains a system-dependent error |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3016 message. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3017 @seealso{tempname, tempdir, P_tmpdir, tmpfile, fopen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3018 @end deftypefn */) |
4326 | 3019 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3020 int nargin = args.length (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3021 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3022 if (nargin < 1 || nargin > 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3023 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3024 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3025 std::string tmpl8 = args(0).xstring_value ("mkstemp: TEMPLATE argument must be a string"); |
4326 | 3026 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3027 octave_value_list retval = ovl (-1, "", ""); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3028 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3029 OCTAVE_LOCAL_BUFFER (char, tmp, tmpl8.size () + 1); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3030 strcpy (tmp, tmpl8.c_str ()); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3031 |
21888
00f1249f2483
create wrappers for some gnulib functions
John W. Eaton <jwe@octave.org>
parents:
21852
diff
changeset
|
3032 int fd = octave_mkostemp_wrapper (tmp); |
4326 | 3033 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3034 if (fd < 0) |
4326 | 3035 { |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3036 retval(0) = fd; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
3037 retval(2) = std::strerror (errno); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3038 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3039 else |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3040 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3041 const char *fopen_mode = "w+b"; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3042 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3043 FILE *fid = fdopen (fd, fopen_mode); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
3044 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3045 if (! fid) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3046 { |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3047 retval(0) = -1; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
3048 retval(2) = std::strerror (errno); |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3049 } |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3050 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3051 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3052 std::string nm = tmp; |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
3053 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3054 std::ios::openmode md = fopen_mode_to_ios_mode (fopen_mode); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3055 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3056 stream s = stdiostream::create (nm, fid, md); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
3057 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3058 if (! s) |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3059 error ("mkstemp: failed to create stdiostream object"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3060 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3061 stream_list& streams = interp.get_stream_list (); |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3062 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3063 retval(0) = streams.insert (s); |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3064 retval(1) = nm; |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3065 |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3066 if (nargin == 2 && args(1).is_true ()) |
27542
b8aa62c1deb5
eliminate global tmp_files variable
John W. Eaton <jwe@octave.org>
parents:
27424
diff
changeset
|
3067 interp.mark_for_deletion (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
3068 } |
4326 | 3069 } |
3070 | |
3071 return retval; | |
3072 } | |
3073 | |
20200
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
3074 // FIXME: This routine also exists verbatim in syscalls.cc. |
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
3075 // Maybe change to be a general utility routine. |
1400 | 3076 static int |
3077 convert (int x, int ibase, int obase) | |
3078 { | |
3079 int retval = 0; | |
3080 | |
3081 int tmp = x % obase; | |
3082 | |
3083 if (tmp > ibase - 1) | |
20428
7ac907da9fba
Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents:
20200
diff
changeset
|
3084 error ("umask: invalid digit"); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3085 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3086 retval = tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3087 int mult = ibase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3088 while ((x = (x - tmp) / obase)) |
1400 | 3089 { |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3090 tmp = x % obase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3091 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3092 if (tmp > ibase - 1) |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3093 error ("umask: invalid digit"); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3094 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3095 retval += mult * tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3096 mult *= ibase; |
1400 | 3097 } |
3098 | |
3099 return retval; | |
3100 } | |
3101 | |
10197
4d433bd2d4dc
attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
3102 DEFUNX ("umask", Fumask, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3103 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3104 @deftypefn {} {} umask (@var{mask}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3105 Set the permission mask for file creation. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3106 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3107 The parameter @var{mask} is an integer, interpreted as an octal number. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3108 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3109 If successful, returns the previous value of the mask (as an integer to be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3110 interpreted as an octal number); otherwise an error message is printed. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3111 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3112 The permission mask is a UNIX concept used when creating new objects on a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3113 file system such as files, directories, or named FIFOs. The object to be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3114 created has base permissions in an octal number @var{mode} which are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3115 modified according to the octal value of @var{mask}. The final permissions |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3116 for the new object are @code{@var{mode} - @var{mask}}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3117 @seealso{fopen, mkdir, mkfifo} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3118 @end deftypefn */) |
1400 | 3119 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3120 if (args.length () != 1) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3121 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3122 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3123 int mask = args(0).xint_value ("umask: MASK must be an integer"); |
1400 | 3124 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3125 if (mask < 0) |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3126 error ("umask: MASK must be a positive integer value"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3127 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3128 int oct_mask = convert (mask, 8, 10); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3129 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3130 int status = convert (sys::umask (oct_mask), 10, 8); |
1400 | 3131 |
3132 if (status >= 0) | |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3133 return ovl (status); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3134 else |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
3135 return ovl (); |
1400 | 3136 } |
3137 | |
5749 | 3138 static octave_value |
6483 | 3139 const_value (const char *, const octave_value_list& args, int val) |
2189 | 3140 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3141 if (args.length () != 0) |
5823 | 3142 print_usage (); |
5749 | 3143 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3144 return octave_value (val); |
5749 | 3145 } |
3146 | |
3147 DEFUNX ("P_tmpdir", FP_tmpdir, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3148 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3149 @deftypefn {} {} P_tmpdir () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3150 Return the name of the host system's @strong{default} directory for |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3151 temporary files. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3152 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3153 Programming Note: The value returned by @code{P_tmpdir} is always the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3154 default location. This value may not agree with that returned from |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3155 @code{tempdir} if the user has overridden the default with the @env{TMPDIR} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3156 environment variable. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3157 @seealso{tempdir, tempname, mkstemp, tmpfile} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3158 @end deftypefn */) |
5749 | 3159 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3160 if (args.length () != 0) |
5823 | 3161 print_usage (); |
5749 | 3162 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3163 return ovl (get_P_tmpdir ()); |
5749 | 3164 } |
2341 | 3165 |
5749 | 3166 // NOTE: the values of SEEK_SET, SEEK_CUR, and SEEK_END have to be |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3167 // this way for Matlab compatibility. |
5749 | 3168 |
3169 DEFUNX ("SEEK_SET", FSEEK_SET, args, , | |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3170 doc: /* -*- texinfo -*- |
25032
a1e391e33004
doc: grammarcheck documentation again ahead of 4.4 release.
Rik <rik@octave.org>
parents:
25005
diff
changeset
|
3171 @deftypefn {} {} SEEK_SET () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3172 Return the numerical value to pass to @code{fseek} to position the file pointer |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3173 relative to the beginning of the file. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3174 @seealso{SEEK_CUR, SEEK_END, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3175 @end deftypefn */) |
5749 | 3176 { |
3177 return const_value ("SEEK_SET", args, -1); | |
3178 } | |
2189 | 3179 |
5749 | 3180 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3181 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3182 @deftypefn {} {} SEEK_CUR () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3183 Return the numerical value to pass to @code{fseek} to position the file pointer |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3184 relative to the current position. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3185 @seealso{SEEK_SET, SEEK_END, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3186 @end deftypefn */) |
5749 | 3187 { |
3188 return const_value ("SEEK_CUR", args, 0); | |
3189 } | |
2189 | 3190 |
5749 | 3191 DEFUNX ("SEEK_END", FSEEK_END, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3192 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3193 @deftypefn {} {} SEEK_END () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3194 Return the numerical value to pass to @code{fseek} to position the file pointer |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3195 relative to the end of the file. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3196 @seealso{SEEK_SET, SEEK_CUR, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3197 @end deftypefn */) |
5749 | 3198 { |
3199 return const_value ("SEEK_END", args, 1); | |
3200 } | |
3201 | |
3202 static octave_value | |
6483 | 3203 const_value (const char *, const octave_value_list& args, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
3204 const octave_value& val) |
5749 | 3205 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3206 if (args.length () != 0) |
5823 | 3207 print_usage (); |
5749 | 3208 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3209 return octave_value (val); |
5749 | 3210 } |
3211 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3212 DEFMETHODX ("stdin", Fstdin, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3213 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3214 @deftypefn {} {} stdin () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3215 Return the numeric value corresponding to the standard input stream. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3216 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3217 When Octave is used interactively, stdin is filtered through the command |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3218 line editing functions. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3219 @seealso{stdout, stderr} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3220 @end deftypefn */) |
5749 | 3221 { |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3222 stream_list& streams = interp.get_stream_list (); |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3223 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3224 return const_value ("stdin", args, streams.stdin_file ()); |
5749 | 3225 } |
2189 | 3226 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3227 DEFMETHODX ("stdout", Fstdout, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3228 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3229 @deftypefn {} {} stdout () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3230 Return the numeric value corresponding to the standard output stream. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3231 |
24801
daf61c7dfcae
Change default status of pager to "off" (bug #53217).
Rik <rik@octave.org>
parents:
24662
diff
changeset
|
3232 Data written to the standard output may be filtered through the pager. |
daf61c7dfcae
Change default status of pager to "off" (bug #53217).
Rik <rik@octave.org>
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3233 @seealso{stdin, stderr, page_screen_output} |
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3234 @end deftypefn */) |
5749 | 3235 { |
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3236 stream_list& streams = interp.get_stream_list (); |
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3237 |
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3238 return const_value ("stdout", args, streams.stdout_file ()); |
5749 | 3239 } |
2189 | 3240 |
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3241 DEFMETHODX ("stderr", Fstderr, interp, args, , |
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3242 doc: /* -*- texinfo -*- |
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3243 @deftypefn {} {} stderr () |
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3244 Return the numeric value corresponding to the standard error stream. |
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3245 |
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3246 Even if paging is turned on, the standard error is not sent to the pager. |
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3247 It is useful for error messages and prompts. |
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3248 @seealso{stdin, stdout} |
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3249 @end deftypefn */) |
5749 | 3250 { |
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3251 stream_list& streams = interp.get_stream_list (); |
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3252 |
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3253 return const_value ("stderr", args, streams.stderr_file ()); |
2189 | 3254 } |
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3255 |
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3256 // Deprecated variables and functions. |
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3257 |
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3258 // Remove when corresponding global deprecated function is removed. |
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3259 void mark_for_deletion_deprecated (const std::string& file) |
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3260 { |
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3261 octave::interpreter& interp |
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3262 = octave::__get_interpreter__ ("mark_for_deletion"); |
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3263 |
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3264 interp.mark_for_deletion (file); |
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3265 } |
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3266 |
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3267 // Remove when corresponding global deprecated function is removed. |
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3268 void cleanup_tmp_files_deprecated (void) |
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3269 { |
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3270 octave::interpreter& interp |
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3271 = octave::__get_interpreter__ ("cleanup_tmp_files"); |
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3272 |
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3273 interp.cleanup_tmp_files (); |
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3274 } |
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3275 |
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3276 OCTAVE_NAMESPACE_END |