Mercurial > octave
annotate libinterp/corefcn/file-io.cc @ 30822:0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
* liboctave/util/oct-string.h, liboctave/util/oct-string.cc (codecvt_u8): Add
encoding facet based on gnulib uniconv for STL iostreams.
* liboctave/wrappers/uniconv-wrappers.h, liboctave/wrappers/uniconv-wrappers.c
(octave_u8_conv_from_encoding_offsets, octave_u8_conv_to_encoding_offsets): Add
new wrappers.
* libinterp/corefcn/oct-stream.h, libinterp/corefcn/oct-stream.cc
(octave::stream): Wrap output stream with encoding facet.
* libinterp/corefcn/utils.h, libinterp/corefcn/utils.cc (format, vformat):
Remove functions that are no longer needed.
* libinterp/corefcn/file-io.cc: Add BIST.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Sat, 05 Mar 2022 21:20:58 +0100 |
parents | 5fbc41f7a8d1 |
children | 1921d9d0e62b |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1993-2022 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" |
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70 #include "interpreter-private.h" |
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71 #include "interpreter.h" |
6159 | 72 #include "load-path.h" |
2095 | 73 #include "oct-fstrm.h" |
74 #include "oct-iostrm.h" | |
1377 | 75 #include "oct-map.h" |
2095 | 76 #include "oct-prcstrm.h" |
77 #include "oct-stream.h" | |
78 #include "oct-strstrm.h" | |
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79 #include "ov.h" |
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80 #include "ovl.h" |
1 | 81 #include "pager.h" |
444 | 82 #include "sysdep.h" |
1352 | 83 #include "utils.h" |
2370 | 84 #include "variables.h" |
1583 | 85 |
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86 OCTAVE_NAMESPACE_BEGIN |
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87 |
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88 static void |
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89 normalize_fopen_mode (std::string& mode, bool& use_zlib) |
1 | 90 { |
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91 use_zlib = false; |
896 | 92 |
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93 if (! mode.empty ()) |
368 | 94 { |
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95 // Matlab uses 'A' and 'W' to indicate that buffered writing should |
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96 // take place. Octave already does that. Theoretically, we should |
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97 // warn about using 'a', 'r', or 'w' because Octave does not enable |
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98 // automatic flushing with these modes. The performance hit is ~4X |
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99 // when using automatic flushing and seems completely unnecessary. |
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100 // See bug #52644. |
7078 | 101 |
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102 std::size_t pos = mode.find ('W'); |
7078 | 103 |
8021 | 104 if (pos != std::string::npos) |
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105 mode[pos] = 'w'; |
7078 | 106 |
107 pos = mode.find ('R'); | |
108 | |
8021 | 109 if (pos != std::string::npos) |
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110 mode[pos] = 'r'; |
7078 | 111 |
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112 pos = mode.find ('A'); |
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113 |
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114 if (pos != std::string::npos) |
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115 mode[pos] = 'a'; |
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116 |
7078 | 117 pos = mode.find ('z'); |
5325 | 118 |
8021 | 119 if (pos != std::string::npos) |
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120 { |
5325 | 121 #if defined (HAVE_ZLIB) |
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122 use_zlib = true; |
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123 mode.erase (pos, 1); |
5325 | 124 #else |
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125 err_disabled_feature ("", "gzipped files (zlib)"); |
5325 | 126 #endif |
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127 } |
5325 | 128 |
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129 // Use binary mode if 't' is not specified, but don't add |
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130 // 'b' if it is already present. |
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131 |
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132 std::size_t bpos = mode.find ('b'); |
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133 std::size_t tpos = mode.find ('t'); |
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134 |
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135 if (bpos == std::string::npos && tpos == std::string::npos) |
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136 mode += 'b'; |
1 | 137 } |
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138 } |
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139 |
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140 static std::ios::openmode |
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141 fopen_mode_to_ios_mode (const std::string& mode) |
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142 { |
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143 std::ios::openmode retval = std::ios::in; |
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144 |
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145 if (mode == "rt") |
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146 retval = std::ios::in; |
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147 else if (mode == "wt") |
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148 retval = std::ios::out | std::ios::trunc; |
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149 else if (mode == "at") |
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150 retval = std::ios::out | std::ios::app; |
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151 else if (mode == "r+t" || mode == "rt+") |
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152 retval = std::ios::in | std::ios::out; |
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153 else if (mode == "w+t" || mode == "wt+") |
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154 retval = std::ios::in | std::ios::out | std::ios::trunc; |
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155 else if (mode == "a+t" || mode == "at+") |
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156 retval = std::ios::in | std::ios::out | std::ios::app; |
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157 else if (mode == "rb" || mode == "r") |
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158 retval = std::ios::in | std::ios::binary; |
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159 else if (mode == "wb" || mode == "w") |
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160 retval = std::ios::out | std::ios::trunc | std::ios::binary; |
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161 else if (mode == "ab" || mode == "a") |
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162 retval = std::ios::out | std::ios::app | std::ios::binary; |
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163 else if (mode == "r+b" || mode == "rb+" || mode == "r+") |
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164 retval = std::ios::in | std::ios::out | std::ios::binary; |
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165 else if (mode == "w+b" || mode == "wb+" || mode == "w+") |
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166 retval = (std::ios::in | std::ios::out | std::ios::trunc |
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167 | std::ios::binary); |
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168 else if (mode == "a+b" || mode == "ab+" || mode == "a+") |
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169 retval = (std::ios::in | std::ios::out | std::ios::app |
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170 | std::ios::binary); |
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171 else |
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172 error ("invalid mode specified"); |
1 | 173 |
174 return retval; | |
175 } | |
176 | |
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177 DEFMETHOD (fclose, interp, args, , |
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178 doc: /* -*- texinfo -*- |
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179 @deftypefn {} {} fclose (@var{fid}) |
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180 @deftypefnx {} {} fclose ("all") |
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181 @deftypefnx {} {@var{status} =} fclose ("all") |
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182 Close the file specified by the file descriptor @var{fid}. |
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183 |
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184 If successful, @code{fclose} returns 0, otherwise, it returns -1. The |
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185 second form of the @code{fclose} call closes all open files except |
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186 @code{stdin}, @code{stdout}, @code{stderr}, and any FIDs associated |
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187 with gnuplot. |
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188 @seealso{fopen, fflush, freport} |
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189 @end deftypefn */) |
529 | 190 { |
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191 if (args.length () != 1) |
5823 | 192 print_usage (); |
1 | 193 |
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194 stream_list& streams = interp.get_stream_list (); |
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195 |
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196 return ovl (streams.remove (args(0), "fclose")); |
1 | 197 } |
198 | |
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199 DEFMETHOD (fclear, interp, args, , |
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200 doc: /* -*- texinfo -*- |
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201 @deftypefn {} {} fclear (@var{fid}) |
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202 Clear the stream state for the file specified by the file descriptor |
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203 @var{fid}. |
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204 @seealso{ferror, fopen} |
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205 @end deftypefn */) |
5144 | 206 { |
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207 if (args.length () != 1) |
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208 print_usage (); |
5144 | 209 |
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210 stream_list& streams = interp.get_stream_list (); |
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211 |
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212 int fid = streams.get_file_number (args(0)); |
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213 |
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214 stream os = streams.lookup (fid, "fclear"); |
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215 |
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216 os.clearerr (); |
5144 | 217 |
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218 return ovl (); |
5144 | 219 } |
220 | |
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221 DEFMETHOD (fflush, interp, args, , |
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222 doc: /* -*- texinfo -*- |
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223 @deftypefn {} {} fflush (@var{fid}) |
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224 Flush output to file descriptor @var{fid}. |
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225 |
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226 @code{fflush} returns 0 on success and an OS dependent error value |
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227 (@minus{}1 on Unix) on error. |
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228 |
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229 Programming Note: Flushing is useful for ensuring that all pending output |
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230 makes it to the screen before some other event occurs. For example, it is |
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231 always a good idea to flush the standard output stream before calling |
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232 @code{input}. |
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233 @seealso{fopen, fclose} |
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234 @end deftypefn */) |
1181 | 235 { |
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236 if (args.length () != 1) |
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237 print_usage (); |
1181 | 238 |
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239 octave_value retval = -1; |
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240 |
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241 stream_list& streams = interp.get_stream_list (); |
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242 |
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243 // FIXME: any way to avoid special case for stdout? |
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244 int fid = streams.get_file_number (args(0)); |
2095 | 245 |
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246 if (fid == 1) |
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247 { |
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248 flush_stdout (); |
2609 | 249 |
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250 retval = 0; |
2095 | 251 } |
252 else | |
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253 { |
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254 stream os = streams.lookup (fid, "fflush"); |
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255 |
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256 retval = os.flush (); |
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257 } |
1181 | 258 |
259 return retval; | |
260 } | |
261 | |
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262 DEFMETHOD (fgetl, interp, args, , |
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263 doc: /* -*- texinfo -*- |
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264 @deftypefn {} {@var{str} =} fgetl (@var{fid}) |
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265 @deftypefnx {} {@var{str} =} fgetl (@var{fid}, @var{len}) |
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266 Read characters from a file, stopping after a newline, or EOF, |
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267 or @var{len} characters have been read. |
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268 |
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269 The characters read, excluding the possible trailing newline, are returned |
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270 as a string. |
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271 |
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272 If @var{len} is omitted, @code{fgetl} reads until the next newline |
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273 character. |
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274 |
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275 If there are no more characters to read, @code{fgetl} returns @minus{}1. |
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276 |
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277 To read a line and return the terminating newline, |
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278 @pxref{XREFfgets,,@code{fgets}}. |
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279 @seealso{fgets, fscanf, fread, fopen} |
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280 @end deftypefn */) |
1339 | 281 { |
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282 static const std::string who = "fgetl"; |
4468 | 283 |
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284 int nargin = args.length (); |
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285 |
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286 if (nargin < 1 || nargin > 2) |
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287 print_usage (); |
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288 |
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289 stream_list& streams = interp.get_stream_list (); |
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290 |
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291 stream os = streams.lookup (args(0), who); |
1339 | 292 |
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293 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
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295 bool err = false; |
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297 std::string tmp = os.getl (len_arg, err, who); |
2095 | 298 |
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299 if (! err) |
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300 return ovl (tmp, tmp.length ()); |
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301 else |
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302 return ovl (-1, 0); |
1339 | 303 } |
304 | |
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305 DEFMETHOD (fgets, interp, args, , |
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306 doc: /* -*- texinfo -*- |
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307 @deftypefn {} {@var{str} =} fgets (@var{fid}) |
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308 @deftypefnx {} {@var{str} =} fgets (@var{fid}, @var{len}) |
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309 Read characters from a file, stopping after a newline, or EOF, |
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310 or @var{len} characters have been read. |
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311 |
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312 The characters read, including the possible trailing newline, are returned |
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313 as a string. |
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314 |
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315 If @var{len} is omitted, @code{fgets} reads until the next newline |
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316 character. |
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317 |
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318 If there are no more characters to read, @code{fgets} returns @minus{}1. |
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319 |
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320 To read a line and discard the terminating newline, |
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321 @pxref{XREFfgetl,,@code{fgetl}}. |
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322 @seealso{fputs, fgetl, fscanf, fread, fopen} |
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323 @end deftypefn */) |
529 | 324 { |
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325 static const std::string who = "fgets"; |
4468 | 326 |
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327 int nargin = args.length (); |
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328 |
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329 if (nargin < 1 || nargin > 2) |
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330 print_usage (); |
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331 |
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332 stream_list& streams = interp.get_stream_list (); |
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333 |
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334 stream os = streams.lookup (args(0), who); |
529 | 335 |
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336 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
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338 bool err = false; |
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340 std::string tmp = os.gets (len_arg, err, who); |
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342 if (! err) |
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343 return ovl (tmp, tmp.length ()); |
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344 else |
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345 return ovl (-1.0, 0.0); |
529 | 346 } |
347 | |
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348 DEFMETHOD (fskipl, interp, args, , |
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349 doc: /* -*- texinfo -*- |
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350 @deftypefn {} {@var{nlines} =} fskipl (@var{fid}) |
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351 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, @var{count}) |
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352 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, Inf) |
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353 Read and skip @var{count} lines from the file specified by the file |
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354 descriptor @var{fid}. |
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355 |
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356 @code{fskipl} discards characters until an end-of-line is encountered |
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357 exactly @var{count}-times, or until the end-of-file marker is found. |
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358 |
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359 If @var{count} is omitted, it defaults to 1. @var{count} may also be |
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360 @code{Inf}, in which case lines are skipped until the end of the file. |
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361 This form is suitable for counting the number of lines in a file. |
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362 |
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363 Returns the number of lines skipped (end-of-line sequences encountered). |
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364 @seealso{fgetl, fgets, fscanf, fopen} |
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365 @end deftypefn */) |
9701 | 366 { |
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367 static const std::string who = "fskipl"; |
9701 | 368 |
369 int nargin = args.length (); | |
370 | |
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371 if (nargin < 1 || nargin > 2) |
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372 print_usage (); |
9701 | 373 |
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374 stream_list& streams = interp.get_stream_list (); |
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375 |
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376 stream os = streams.lookup (args(0), who); |
9701 | 377 |
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378 octave_value count_arg = (nargin == 2) ? args(1) : octave_value (); |
9701 | 379 |
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380 bool err = false; |
9701 | 381 |
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382 off_t tmp = os.skipl (count_arg, err, who); |
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383 |
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384 if (! err) |
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385 return ovl (tmp); |
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386 else |
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387 return ovl (); |
9701 | 388 } |
389 | |
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390 static stream |
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391 do_stream_open (const std::string& name, const std::string& mode_arg, |
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392 const std::string& arch, std::string encoding, int& fid) |
1 | 393 { |
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394 stream retval; |
1 | 395 |
2095 | 396 fid = -1; |
1 | 397 |
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398 // Valid names for encodings consist of ASCII characters only. |
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399 std::transform (encoding.begin (), encoding.end (), encoding.begin (), |
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400 ::tolower); |
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401 if (encoding.compare ("utf-8")) |
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402 { |
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403 // check if encoding is valid |
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404 void *codec = octave_iconv_open_wrapper (encoding.c_str (), "utf-8"); |
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405 if (codec == reinterpret_cast<void *> (-1)) |
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406 { |
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407 if (errno == EINVAL) |
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408 error ("fopen: conversion from codepage '%s' not supported", |
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409 encoding.c_str ()); |
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410 } |
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411 else |
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412 octave_iconv_close_wrapper (codec); |
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413 } |
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414 |
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415 std::string mode = mode_arg; |
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416 bool use_zlib = false; |
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417 normalize_fopen_mode (mode, use_zlib); |
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418 |
4036 | 419 std::ios::openmode md = fopen_mode_to_ios_mode (mode); |
1 | 420 |
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421 mach_info::float_format flt_fmt |
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422 = mach_info::string_to_float_format (arch); |
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423 |
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424 std::string fname = sys::file_ops::tilde_expand (name); |
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425 |
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426 sys::file_stat fs (fname); |
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427 |
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428 if (! (md & std::ios::out)) |
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429 fname = find_data_file_in_load_path ("fopen", fname); |
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430 |
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431 if (! fs.is_dir ()) |
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432 { |
6905 | 433 #if defined (HAVE_ZLIB) |
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434 if (use_zlib) |
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435 { |
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436 FILE *fptr = sys::fopen (fname.c_str (), mode.c_str ()); |
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437 |
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438 if (fptr) |
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439 { |
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440 int fd = fileno (fptr); |
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441 |
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442 gzFile gzf = ::gzdopen (fd, mode.c_str ()); |
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443 |
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444 retval = zstdiostream::create (fname, gzf, fd, md, flt_fmt, |
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445 encoding); |
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446 } |
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447 else |
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448 retval.error (std::strerror (errno)); |
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449 } |
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450 else |
5325 | 451 #endif |
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452 { |
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453 FILE *fptr = sys::fopen (fname, mode); |
5370 | 454 |
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455 retval = stdiostream::create (fname, fptr, md, flt_fmt, encoding); |
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456 |
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457 if (! fptr) |
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458 retval.error (std::strerror (errno)); |
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459 } |
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460 |
1 | 461 } |
462 | |
2095 | 463 return retval; |
464 } | |
1 | 465 |
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466 static stream |
2095 | 467 do_stream_open (const octave_value& tc_name, const octave_value& tc_mode, |
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468 const octave_value& tc_arch, const octave_value& tc_encoding, |
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469 const char *fcn, int& fid) |
2095 | 470 { |
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471 stream retval; |
2095 | 472 |
473 fid = -1; | |
474 | |
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475 std::string name = tc_name.xstring_value ("%s: filename must be a string", fcn); |
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476 std::string mode = tc_mode.xstring_value ("%s: file mode must be a string", fcn); |
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477 std::string arch = tc_arch.xstring_value ("%s: architecture type must be a string", fcn); |
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478 std::string encoding = tc_encoding.xstring_value ("%s: ENCODING must be a string", fcn); |
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479 |
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480 retval = do_stream_open (name, mode, arch, encoding, fid); |
1 | 481 |
482 return retval; | |
483 } | |
484 | |
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485 DEFMETHOD (fopen, interp, args, nargout, |
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486 doc: /* -*- texinfo -*- |
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487 @deftypefn {} {@var{fid} =} fopen (@var{name}) |
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488 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}) |
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489 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}) |
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490 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}, @var{encoding}) |
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491 @deftypefnx {} {[@var{fid}, @var{msg}] =} fopen (@dots{}) |
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492 @deftypefnx {} {@var{fid_list} =} fopen ("all") |
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493 @deftypefnx {} {[@var{file}, @var{mode}, @var{arch}, @var{encoding}] =} fopen (@var{fid}) |
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494 Open a file for low-level I/O or query open files and file descriptors. |
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495 |
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496 The first form of the @code{fopen} function opens the named file with |
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497 the specified mode (read-write, read-only, etc.@:), architecture |
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498 interpretation (IEEE big endian, IEEE little endian, etc.@:) and file encoding, |
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499 and returns an integer value that may be used to refer to the file later. If |
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500 an error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the |
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501 corresponding system error message. The @var{mode} is a one or two |
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502 character string that specifies whether the file is to be opened for |
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503 reading, writing, or both. The @var{encoding} is a character string with a |
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504 valid encoding identifier. This encoding is used when strings are read from |
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505 or written to the file. By default, the same encoding specified for reading |
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506 @file{.m} files is used for interpreting user files. |
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507 |
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508 The second form of the @code{fopen} function returns a vector of file ids |
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509 corresponding to all the currently open files, excluding the |
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510 @code{stdin}, @code{stdout}, and @code{stderr} streams. |
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511 |
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512 The third form of the @code{fopen} function returns information about the |
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513 open file given its file id. |
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514 |
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515 For example, |
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516 |
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517 @example |
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518 myfile = fopen ("splat.dat", "r", "ieee-le"); |
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519 @end example |
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520 |
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521 @noindent |
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522 opens the file @file{splat.dat} for reading. If necessary, binary |
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523 numeric values will be read assuming they are stored in IEEE format with |
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524 the least significant bit first, and then converted to the native |
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525 representation. |
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526 |
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527 Opening a file that is already open simply opens it again and returns a |
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528 separate file id. It is not an error to open a file several times, |
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529 though writing to the same file through several different file ids may |
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530 produce unexpected results. |
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531 |
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532 The possible values of @var{mode} are |
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533 |
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534 @table @asis |
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535 @item @samp{r} (default) |
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536 Open a file for reading. |
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537 |
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538 @item @samp{w} |
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539 Open a file for writing. The previous contents are discarded. |
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540 |
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541 @item @samp{a} |
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542 Open or create a file for writing at the end of the file. |
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543 |
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544 @item @samp{r+} |
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545 Open an existing file for reading and writing. |
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546 |
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547 @item @samp{w+} |
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548 Open a file for reading or writing. The previous contents are |
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549 discarded. |
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550 |
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551 @item @samp{a+} |
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552 Open or create a file for reading or writing at the end of the |
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553 file. |
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554 @end table |
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555 |
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556 Append a @qcode{"t"} to the mode string to open the file in text mode or a |
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557 @qcode{"b"} to open in binary mode. On Windows systems, |
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558 text mode reading and writing automatically converts linefeeds to the |
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559 appropriate line end character for the system (carriage-return linefeed on |
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560 Windows). The default when no mode is specified is binary. |
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561 |
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562 Additionally, you may append a @qcode{"z"} to the mode string to open a |
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563 gzipped file for reading or writing. For this to be successful, you |
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564 must also open the file in binary mode. |
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565 |
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566 The parameter @var{arch} is a string specifying the default data format |
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567 for the file. Valid values for @var{arch} are: |
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568 |
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569 @table @asis |
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570 @item @qcode{"native"} or @qcode{"n"} (default) |
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571 The format of the current machine. |
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572 |
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573 @item @qcode{"ieee-be"} or @qcode{"b"} |
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574 IEEE big endian format. |
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575 |
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576 @item @qcode{"ieee-le"} or @qcode{"l"} |
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577 IEEE little endian format. |
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578 @end table |
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579 |
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580 When opening a new file that does not yet exist, permissions will be set to |
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581 @code{0666 - @var{umask}}. |
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582 |
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583 Compatibility Note: Octave opens files using buffered I/O. Small writes are |
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584 accumulated until an internal buffer is filled, and then everything is written |
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585 in a single operation. This is very efficient and improves performance. |
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586 @sc{matlab}, however, opens files using flushed I/O where every write operation |
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587 is immediately performed. If the write operation must be performed immediately |
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588 after data has been written then the write should be followed by a call to |
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589 @code{fflush} to flush the internal buffer. |
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590 @seealso{fclose, fgets, fgetl, fscanf, fread, fputs, fdisp, fprintf, fwrite, |
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591 fskipl, fseek, frewind, ftell, feof, ferror, fclear, fflush, freport, umask} |
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592 @end deftypefn */) |
529 | 593 { |
594 int nargin = args.length (); | |
595 | |
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596 if (nargin < 1 || nargin > 4) |
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597 print_usage (); |
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598 |
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599 octave_value_list retval = ovl (-1.0); |
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600 |
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601 stream_list& streams = interp.get_stream_list (); |
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602 |
2095 | 603 if (nargin == 1) |
604 { | |
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605 if (args(0).is_string ()) |
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606 { |
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607 // If there is only one argument and it is a string but it |
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608 // is not the string "all", we assume it is a file to open |
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609 // with MODE = "r". To open a file called "all", you have |
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610 // to supply more than one argument. |
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611 if (nargout < 2 && args(0).string_value () == "all") |
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612 return streams.open_file_numbers (); |
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613 } |
2095 | 614 else |
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615 { |
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616 string_vector tmp = streams.get_info (args(0)); |
529 | 617 |
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618 retval = ovl (tmp(0), tmp(1), tmp(2), tmp(3)); |
3263 | 619 |
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620 return retval; |
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621 } |
1 | 622 } |
623 | |
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624 octave_value mode = (nargin > 1) ? args(1) : octave_value ("r"); |
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625 |
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626 octave_value arch = (nargin > 2) ? args(2) : octave_value ("native"); |
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627 |
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628 input_system& input_sys = interp.get_input_system (); |
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629 octave_value encoding = (nargin > 3) ? args(3) |
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630 : octave_value (input_sys.mfile_encoding ()); |
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631 if (encoding.string_value () == "system") |
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632 encoding = octave_value (octave_locale_charset_wrapper ()); |
2095 | 633 |
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634 int fid = -1; |
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635 |
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636 stream os = do_stream_open (args(0), mode, arch, encoding, "fopen", |
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637 fid); |
5370 | 638 |
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639 if (os) |
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640 retval = ovl (streams.insert (os), ""); |
2095 | 641 else |
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642 { |
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643 int error_number = 0; |
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644 |
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645 retval = ovl (-1.0, os.error (false, error_number)); |
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646 } |
1 | 647 |
648 return retval; | |
649 } | |
650 | |
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651 /* |
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652 ## Further tests are in io.tst |
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653 %!test # Uses hardcoded value of 1 for stdout |
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654 %! [name, mode, arch, encoding] = fopen (1); |
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655 %! assert (name, "stdout"); |
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656 %! assert (mode, "w"); |
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657 %! assert (encoding, "utf-8"); |
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658 |
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659 %!test # Query of non-existent stream returns all "" |
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660 %! [name, mode, arch] = fopen (-1); |
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661 %! assert (name, ""); |
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662 %! assert (mode, ""); |
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663 %! assert (arch, ""); |
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664 */ |
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665 |
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666 DEFMETHOD (freport, interp, args, , |
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667 doc: /* -*- texinfo -*- |
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668 @deftypefn {} {} freport () |
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669 Print a list of which files have been opened, and whether they are open |
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670 for reading, writing, or both. |
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671 |
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672 For example: |
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673 |
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674 @example |
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675 @group |
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676 freport () |
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677 |
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678 @print{} number mode arch name |
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679 @print{} ------ ---- ---- ---- |
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680 @print{} 0 r ieee-le stdin |
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681 @print{} 1 w ieee-le stdout |
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682 @print{} 2 w ieee-le stderr |
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683 @print{} 3 r ieee-le myfile |
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684 @end group |
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685 @end example |
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686 @seealso{fopen, fclose, is_valid_file_id} |
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687 @end deftypefn */) |
1181 | 688 { |
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689 if (args.length () > 0) |
1181 | 690 warning ("freport: ignoring extra arguments"); |
691 | |
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692 stream_list& streams = interp.get_stream_list (); |
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693 |
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694 octave_stdout << streams.list_open_files (); |
1181 | 695 |
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696 return ovl (); |
1181 | 697 } |
698 | |
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699 DEFMETHOD (frewind, interp, args, nargout, |
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700 doc: /* -*- texinfo -*- |
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701 @deftypefn {} {} frewind (@var{fid}) |
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702 @deftypefnx {} {@var{status} =} frewind (@var{fid}) |
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703 Move the file pointer to the beginning of the file specified by file |
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704 descriptor @var{fid}. |
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705 |
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706 @code{frewind} returns 0 for success, and -1 if an error is encountered. It |
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707 is equivalent to @code{fseek (@var{fid}, 0, SEEK_SET)}. |
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708 @seealso{fseek, ftell, fopen} |
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709 @end deftypefn */) |
529 | 710 { |
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711 if (args.length () != 1) |
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712 print_usage (); |
506 | 713 |
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714 int result = -1; |
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715 |
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716 stream_list& streams = interp.get_stream_list (); |
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717 |
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718 stream os = streams.lookup (args(0), "frewind"); |
636 | 719 |
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720 result = os.rewind (); |
1 | 721 |
4715 | 722 if (nargout > 0) |
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723 return ovl (result); |
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724 else |
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725 return ovl (); |
1 | 726 } |
727 | |
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728 DEFMETHOD (fseek, interp, args, , |
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729 doc: /* -*- texinfo -*- |
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730 @deftypefn {} {} fseek (@var{fid}, @var{offset}) |
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731 @deftypefnx {} {} fseek (@var{fid}, @var{offset}, @var{origin}) |
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732 @deftypefnx {} {@var{status} =} fseek (@dots{}) |
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733 Set the file pointer to the location @var{offset} within the file @var{fid}. |
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734 |
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735 The pointer is positioned @var{offset} characters from the @var{origin}, which |
25454
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736 may be one of the predefined variables @w{@qcode{SEEK_SET}} (beginning), |
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737 @w{@qcode{SEEK_CUR}} (current position), or @w{@qcode{SEEK_END}} (end of file) |
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738 or strings @nospell{@qcode{"bof"}}, @nospell{@qcode{"cof"}}, or |
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739 @nospell{@qcode{"eof"}}. If @var{origin} is omitted, @w{@qcode{SEEK_SET}} is |
25003
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740 assumed. @var{offset} may be positive, negative, or zero but not all |
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741 combinations of @var{origin} and @var{offset} can be realized. |
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742 |
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743 @code{fseek} returns 0 on success and -1 on error. |
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744 @seealso{fskipl, frewind, ftell, fopen, SEEK_SET, SEEK_CUR, SEEK_END} |
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745 @end deftypefn */) |
529 | 746 { |
747 int nargin = args.length (); | |
748 | |
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749 if (nargin < 2 || nargin > 3) |
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750 print_usage (); |
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751 |
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752 stream_list& streams = interp.get_stream_list (); |
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753 |
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|
754 stream os = streams.lookup (args(0), "fseek"); |
1181 | 755 |
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756 octave_value origin_arg = (nargin == 3) ? args(2) : octave_value (-1.0); |
1 | 757 |
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|
758 return ovl (os.seek (args(1), origin_arg)); |
1 | 759 } |
760 | |
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761 DEFMETHOD (ftell, interp, args, , |
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762 doc: /* -*- texinfo -*- |
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763 @deftypefn {} {@var{pos} =} ftell (@var{fid}) |
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764 Return the position of the file pointer as the number of characters from the |
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765 beginning of the file specified by file descriptor @var{fid}. |
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766 @seealso{fseek, frewind, feof, fopen} |
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767 @end deftypefn */) |
1181 | 768 { |
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769 if (args.length () != 1) |
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770 print_usage (); |
506 | 771 |
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772 stream_list& streams = interp.get_stream_list (); |
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773 |
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774 stream os = streams.lookup (args(0), "ftell"); |
1 | 775 |
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776 return ovl (os.tell ()); |
1 | 777 } |
778 | |
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779 static octave_value_list |
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780 printf_internal (interpreter& interp, const std::string& who, |
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781 const octave_value_list& args, int nargout) |
1181 | 782 { |
783 int nargin = args.length (); | |
784 | |
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785 if (! (nargin > 1 || (nargin > 0 && args(0).is_string ()))) |
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786 print_usage (); |
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787 |
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788 int result; |
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789 |
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|
790 stream os; |
20805
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791 int fmt_n = 0; |
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792 |
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793 stream_list& streams = interp.get_stream_list (); |
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794 |
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795 if (args(0).is_string ()) |
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796 os = streams.lookup (1, who); |
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797 else |
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798 { |
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799 fmt_n = 1; |
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800 os = streams.lookup (args(0), who); |
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801 } |
2873 | 802 |
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803 if (! args(fmt_n).is_string ()) |
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804 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
1181 | 805 |
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806 octave_value_list tmp_args; |
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807 |
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808 if (nargin > 1 + fmt_n) |
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809 { |
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|
810 tmp_args.resize (nargin-fmt_n-1, octave_value ()); |
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811 |
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812 for (int i = fmt_n + 1; i < nargin; i++) |
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813 tmp_args(i-fmt_n-1) = args(i); |
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diff
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814 } |
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815 |
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|
816 result = os.printf (args(fmt_n), tmp_args, who); |
6f0bd96f93c0
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diff
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|
817 |
4715 | 818 if (nargout > 0) |
21127
df7891224709
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Rik <rik@octave.org>
parents:
21126
diff
changeset
|
819 return ovl (result); |
20918
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|
820 else |
20941
a4f5da7c5463
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diff
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|
821 return ovl (); |
1181 | 822 } |
823 | |
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|
824 DEFMETHOD (fprintf, interp, args, nargout, |
8acd390d16c9
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825 doc: /* -*- texinfo -*- |
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826 @deftypefn {} {} fprintf (@var{fid}, @var{template}, @dots{}) |
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827 @deftypefnx {} {} fprintf (@var{template}, @dots{}) |
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828 @deftypefnx {} {@var{numbytes} =} fprintf (@dots{}) |
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|
829 This function is equivalent to @code{printf}, except that the output is |
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830 written to the file descriptor @var{fid} instead of @code{stdout}. |
7fb957d36357
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John W. Eaton <jwe@octave.org>
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831 |
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832 If @var{fid} is omitted, the output is written to @code{stdout} making the |
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833 function exactly equivalent to @code{printf}. |
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|
834 |
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diff
changeset
|
835 The optional output returns the number of bytes written to the file. |
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836 |
7fb957d36357
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|
837 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
29117
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Rik <rik@octave.org>
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|
838 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
23737
7fb957d36357
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839 expanded even when the template string is defined with single quotes. |
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|
840 @seealso{fputs, fdisp, fwrite, fscanf, printf, sprintf, fopen} |
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841 @end deftypefn */) |
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842 { |
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|
843 static const std::string who = "fprintf"; |
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844 |
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|
845 return printf_internal (interp, who, args, nargout); |
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John W. Eaton <jwe@octave.org>
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846 } |
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847 |
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848 DEFMETHOD (printf, interp, args, nargout, |
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849 doc: /* -*- texinfo -*- |
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850 @deftypefn {} {} printf (@var{template}, @dots{}) |
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851 Print optional arguments under the control of the template string |
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852 @var{template} to the stream @code{stdout} and return the number of |
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853 characters printed. |
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move docstrings in C++ files out of C strings and into comments
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|
854 @ifclear OCTAVE_MANUAL |
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|
855 |
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|
856 See the Formatted Output section of the GNU Octave manual for a |
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|
857 complete description of the syntax of the template string. |
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858 @end ifclear |
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859 |
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|
860 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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|
861 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
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862 expanded even when the template string is defined with single quotes. |
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863 @seealso{fprintf, sprintf, scanf} |
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864 @end deftypefn */) |
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865 { |
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866 static const std::string who = "printf"; |
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867 |
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868 octave_value_list tmp_args = args; |
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869 |
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870 return printf_internal (interp, who, tmp_args.prepend (octave_value (1)), |
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871 nargout); |
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872 } |
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873 |
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|
874 static octave_value_list |
29961
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|
875 puts_internal (interpreter& interp, const std::string& who, |
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876 const octave_value_list& args) |
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877 { |
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|
878 if (args.length () != 2) |
21634
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|
879 print_usage (); |
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|
880 |
29961
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|
881 stream_list& streams = interp.get_stream_list (); |
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|
882 |
7d6709900da7
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|
883 stream os = streams.lookup (args(0), who); |
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|
884 |
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885 return ovl (os.puts (args(1), who)); |
21634
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|
886 } |
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|
887 |
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|
888 DEFMETHOD (fputs, interp, args, , |
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889 doc: /* -*- texinfo -*- |
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|
890 @deftypefn {} {} fputs (@var{fid}, @var{string}) |
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891 @deftypefnx {} {@var{status} =} fputs (@var{fid}, @var{string}) |
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892 Write the string @var{string} to the file with file descriptor @var{fid}. |
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|
893 |
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|
894 The string is written to the file with no additional formatting. Use |
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895 @code{fdisp} instead to automatically append a newline character appropriate |
112b20240c87
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|
896 for the local machine. |
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|
897 |
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|
898 Return a non-negative number on success or EOF on error. |
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|
899 @seealso{fdisp, fprintf, fwrite, fopen} |
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|
900 @end deftypefn */) |
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|
901 { |
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John W. Eaton <jwe@octave.org>
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|
902 static const std::string who = "fputs"; |
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|
903 |
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|
904 return puts_internal (interp, who, args); |
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|
905 } |
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|
906 |
30822
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
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|
907 /* |
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|
908 ## Check if text is correctly converted to output encoding |
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|
909 %!test <*61839> |
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910 %! str = "aäöu"; # string with non-ASCII characters |
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|
911 %! fname = tempname (); |
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|
912 %! fid = fopen (fname, "wt", "n", "ISO-8859-1"); |
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|
913 %! unwind_protect |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
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|
914 %! fprintf (fid, '%s\n', str); |
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|
915 %! fdisp (fid, str); |
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|
916 %! fputs (fid, str); |
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|
917 %! fclose (fid); |
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|
918 %! ## re-open file for reading in binary mode |
0826c503f294
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|
919 %! fid = fopen (fname, "rb"); |
0826c503f294
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|
920 %! fb = fread (fid); |
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|
921 %! fclose (fid); |
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|
922 %! ## check file content |
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changeset
|
923 %! encoded = [97 228 246 117]; # original string in ISO-8859-1 encoding |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
924 %! if (ispc ()) |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
925 %! eol = double ("\r\n"); |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
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diff
changeset
|
926 %! else |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
927 %! eol = double ("\n"); |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
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diff
changeset
|
928 %! endif |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
929 %! assert (fb.', [encoded eol encoded eol encoded]) |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
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diff
changeset
|
930 %! unwind_protect_cleanup |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
931 %! unlink (fname); |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
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diff
changeset
|
932 %! end_unwind_protect |
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
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diff
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|
933 */ |
0826c503f294
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Markus Mützel <markus.muetzel@gmx.de>
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diff
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|
934 |
23738
8acd390d16c9
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
935 DEFMETHOD (puts, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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diff
changeset
|
936 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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|
937 @deftypefn {} {} puts (@var{string}) |
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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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|
938 @deftypefnx {} {@var{status} =} puts (@var{string}) |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
939 Write a string to the standard output with no formatting. |
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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|
940 |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
941 The string is written verbatim to the standard output. Use @code{disp} to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
942 automatically append a newline character appropriate for the local machine. |
112b20240c87
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diff
changeset
|
943 |
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diff
changeset
|
944 Return a non-negative number on success and EOF on error. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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945 @seealso{fputs, disp} |
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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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|
946 @end deftypefn */) |
21634
96518f623c91
Backed out changeset dcf8922b724b
Mike Miller <mtmiller@octave.org>
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diff
changeset
|
947 { |
27167
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* file-io.cc: Declare local constant "who" names "static const".
John W. Eaton <jwe@octave.org>
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27137
diff
changeset
|
948 static const std::string who = "puts"; |
21634
96518f623c91
Backed out changeset dcf8922b724b
Mike Miller <mtmiller@octave.org>
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|
949 |
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changeset
|
950 octave_value_list tmp_args = args; |
7fb957d36357
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changeset
|
951 |
23738
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diff
changeset
|
952 return puts_internal (interp, who, tmp_args.prepend (octave_value (1))); |
21634
96518f623c91
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Mike Miller <mtmiller@octave.org>
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|
953 } |
96518f623c91
Backed out changeset dcf8922b724b
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|
954 |
2095 | 955 DEFUN (sprintf, args, , |
21966
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diff
changeset
|
956 doc: /* -*- texinfo -*- |
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|
957 @deftypefn {} {} sprintf (@var{template}, @dots{}) |
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John W. Eaton <jwe@octave.org>
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changeset
|
958 This is like @code{printf}, except that the output is returned as a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
959 string. |
112b20240c87
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diff
changeset
|
960 |
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diff
changeset
|
961 Unlike the C library function, which requires you to provide a suitably |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
962 sized string as an argument, Octave's @code{sprintf} function returns the |
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
|
963 string, automatically sized to hold all of the items converted. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
964 |
112b20240c87
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
965 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
29117
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
parents:
28960
diff
changeset
|
966 the template string (e.g., @qcode{"@backslashchar{}n"} => newline) are |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
967 expanded even when the template string is defined with single quotes. |
112b20240c87
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diff
changeset
|
968 @seealso{printf, fprintf, sscanf} |
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|
969 @end deftypefn */) |
1 | 970 { |
27167
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* file-io.cc: Declare local constant "who" names "static const".
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|
971 static const std::string who = "sprintf"; |
4468 | 972 |
2095 | 973 int nargin = args.length (); |
1 | 974 |
20805
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|
975 if (nargin == 0) |
2d6ddb2b157c
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|
976 print_usage (); |
2116 | 977 |
29991
3988112c7116
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|
978 // We don't use ostrstream::create here because need direct |
21506
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parents:
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diff
changeset
|
979 // access to the OSTR object so that we can extract a string object |
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980 // from it to return. |
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John W. Eaton <jwe@octave.org>
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|
981 ostrstream *ostr = new ostrstream (); |
20805
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|
982 |
29961
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|
983 // The stream destructor will delete OSTR for us. |
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|
984 stream os (ostr); |
628 | 985 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
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|
986 if (! os.is_valid ()) |
8da80da1ac37
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20884
diff
changeset
|
987 error ("%s: unable to create output buffer", who.c_str ()); |
1 | 988 |
20898
8da80da1ac37
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Rik <rik@octave.org>
parents:
20884
diff
changeset
|
989 octave_value fmt_arg = args(0); |
1 | 990 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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diff
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|
991 if (! fmt_arg.is_string ()) |
8da80da1ac37
maint: Use ovl() more places in the code.
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changeset
|
992 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
628 | 993 |
20898
8da80da1ac37
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Rik <rik@octave.org>
parents:
20884
diff
changeset
|
994 octave_value_list retval (3); |
19727
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improve compatibility of sprintf function.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
995 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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|
996 octave_value_list tmp_args; |
8da80da1ac37
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Rik <rik@octave.org>
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changeset
|
997 if (nargin > 1) |
8da80da1ac37
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changeset
|
998 { |
8da80da1ac37
maint: Use ovl() more places in the code.
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changeset
|
999 tmp_args.resize (nargin-1, octave_value ()); |
19727
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diff
changeset
|
1000 |
20898
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20884
diff
changeset
|
1001 for (int i = 1; i < nargin; i++) |
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|
1002 tmp_args(i-1) = args(i); |
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Rik <rik@octave.org>
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|
1003 } |
20805
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|
1004 |
20898
8da80da1ac37
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|
1005 // NOTE: Call to os.error must precede next call to ostr which might reset it. |
8da80da1ac37
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changeset
|
1006 retval(2) = os.printf (fmt_arg, tmp_args, who); |
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changeset
|
1007 retval(1) = os.error (); |
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|
1008 |
8da80da1ac37
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parents:
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|
1009 std::string result = ostr->str (); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
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parents:
23220
diff
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|
1010 char type = (fmt_arg.is_sq_string () ? '\'' : '"'); |
20898
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|
1011 |
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|
1012 retval(0) = (result.empty () ? octave_value (charMatrix (1, 0), type) |
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|
1013 : octave_value (result, type)); |
1 | 1014 |
1015 return retval; | |
1016 } | |
1017 | |
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|
1018 static octave_value_list |
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|
1019 scanf_internal (interpreter& interp, const std::string& who, |
23738
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|
1020 const octave_value_list& args) |
23737
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1021 { |
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1022 int nargin = args.length (); |
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|
1023 |
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|
1024 if (nargin < 2 || nargin > 3) |
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|
1025 print_usage (); |
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1026 |
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|
1027 octave_value_list retval; |
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1028 |
29961
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|
1029 stream_list& streams = interp.get_stream_list (); |
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|
1030 |
7d6709900da7
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|
1031 stream os = streams.lookup (args(0), who); |
23737
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|
1032 |
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|
1033 if (! args(1).is_string ()) |
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|
1034 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1035 |
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|
1036 if (nargin == 3 && args(2).is_string ()) |
7fb957d36357
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|
1037 { |
23924
0519eaf0cca6
fix remaining spurious octave_value_list conversions (bug #51767)
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23803
diff
changeset
|
1038 retval = os.oscanf (args(1), who); |
23737
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1039 } |
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|
1040 else |
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|
1041 { |
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|
1042 octave_idx_type count = 0; |
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|
1043 |
7fb957d36357
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|
1044 Array<double> size |
7fb957d36357
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|
1045 = (nargin == 3 |
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1046 ? args(2).vector_value () |
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1047 : Array<double> (dim_vector (1, 1), lo_ieee_inf_value ())); |
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1048 |
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1049 octave_value tmp = os.scanf (args(1), size, count, who); |
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1050 |
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1051 retval = ovl (tmp, count, os.error ()); |
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1052 } |
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1053 |
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1054 return retval; |
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1055 } |
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1056 |
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|
1057 DEFMETHOD (fscanf, interp, args, , |
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1058 doc: /* -*- texinfo -*- |
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1059 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size}) |
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1060 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, "C") |
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1061 In the first form, read from @var{fid} according to @var{template}, |
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1062 returning the result in the matrix @var{val}. |
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1063 |
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1064 The optional argument @var{size} specifies the amount of data to read |
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1065 and may be one of |
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1066 |
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1067 @table @code |
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1068 @item Inf |
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1069 Read as much as possible, returning a column vector. |
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1070 |
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1071 @item @var{nr} |
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1072 Read up to @var{nr} elements, returning a column vector. |
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1073 |
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1074 @item [@var{nr}, Inf] |
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1075 Read as much as possible, returning a matrix with @var{nr} rows. If the |
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1076 number of elements read is not an exact multiple of @var{nr}, the last |
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1077 column is padded with zeros. |
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1078 |
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1079 @item [@var{nr}, @var{nc}] |
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1080 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with |
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1081 @var{nr} rows. If the number of elements read is not an exact multiple |
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1082 of @var{nr}, the last column is padded with zeros. |
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1083 @end table |
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1084 |
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1085 @noindent |
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1086 If @var{size} is omitted, a value of @code{Inf} is assumed. |
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1087 |
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1088 A string is returned if @var{template} specifies only character conversions. |
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1089 |
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1090 The number of items successfully read is returned in @var{count}. |
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1091 |
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1092 If an error occurs, @var{errmsg} contains a system-dependent error message. |
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1093 |
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1094 In the second form, read from @var{fid} according to @var{template}, |
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1095 with each conversion specifier in @var{template} corresponding to a |
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1096 single scalar return value. This form is more ``C-like'', and also |
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1097 compatible with previous versions of Octave. The number of successful |
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1098 conversions is returned in @var{count} |
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1099 @ifclear OCTAVE_MANUAL |
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1100 |
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1101 See the Formatted Input section of the GNU Octave manual for a |
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1102 complete description of the syntax of the template string. |
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1103 @end ifclear |
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1104 @seealso{fgets, fgetl, fread, scanf, sscanf, fopen} |
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1105 @end deftypefn */) |
1181 | 1106 { |
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1107 static const std::string who = "fscanf"; |
4468 | 1108 |
23738
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1109 return scanf_internal (interp, who, args); |
1181 | 1110 } |
1111 | |
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1112 static std::string |
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1113 get_scan_string_data (const octave_value& val, const std::string& who) |
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1114 { |
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1115 std::string retval; |
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1116 |
20962
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|
1117 if (! val.is_string ()) |
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1118 error ("%s: argument STRING must be a string", who.c_str ()); |
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1119 |
20962
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1120 octave_value tmp = val.reshape (dim_vector (1, val.numel ())); |
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1121 |
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1122 retval = tmp.string_value (); |
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1123 |
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1124 return retval; |
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1125 } |
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1126 |
2095 | 1127 DEFUN (sscanf, args, , |
21966
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1128 doc: /* -*- texinfo -*- |
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1129 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size}) |
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1130 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} sscanf (@var{string}, @var{template}, "C") |
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1131 This is like @code{fscanf}, except that the characters are taken from the |
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1132 string @var{string} instead of from a stream. |
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1133 |
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1134 Reaching the end of the string is treated as an end-of-file condition. In |
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1135 addition to the values returned by @code{fscanf}, the index of the next |
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1136 character to be read is returned in @var{pos}. |
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1137 @seealso{fscanf, scanf, sprintf} |
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1138 @end deftypefn */) |
444 | 1139 { |
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1140 static const std::string who = "sscanf"; |
4468 | 1141 |
506 | 1142 int nargin = args.length (); |
1143 | |
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1144 if (nargin < 2 || nargin > 3) |
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1145 print_usage (); |
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1146 |
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1147 octave_value_list retval; |
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1148 |
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1149 std::string data = get_scan_string_data (args(0), who); |
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1150 |
29991
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1151 stream os = istrstream::create (data); |
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1152 |
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1153 if (! os.is_valid ()) |
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1154 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1155 |
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1156 if (! args(1).is_string ()) |
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1157 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1158 |
2215 | 1159 if (nargin == 3 && args(2).is_string ()) |
2095 | 1160 { |
23924
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1161 retval = os.oscanf (args(1), who); |
444 | 1162 } |
1163 else | |
2215 | 1164 { |
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1165 octave_idx_type count = 0; |
2215 | 1166 |
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|
1167 Array<double> size = (nargin == 3) ? args(2).vector_value () |
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1168 : Array<double> (dim_vector (1, 1), |
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1169 lo_ieee_inf_value ()); |
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1170 |
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1171 octave_value tmp = os.scanf (args(1), size, count, who); |
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1172 |
20918
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1173 // FIXME: is this the right thing to do? |
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1174 // Extract error message first, because getting |
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1175 // position will clear it. |
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1176 std::string errmsg = os.error (); |
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1177 |
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1178 retval = ovl (tmp, count, errmsg, |
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1179 (os.eof () ? data.length () : os.tell ()) + 1); |
2215 | 1180 } |
444 | 1181 |
1182 return retval; | |
1183 } | |
1184 | |
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1185 /* |
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Return correct error messages on octave-streams when scanf fails (bug #56396)
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1186 %!test <*56396> |
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1187 %! [val, count, errmsg, nextpos] = sscanf ('1234a6', '%2d', 3); |
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1188 %! assert (val, [12; 34]); |
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1189 %! assert (count, 2); |
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1190 %! assert (errmsg, "sscanf: format failed to match"); |
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Return correct error messages on octave-streams when scanf fails (bug #56396)
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1191 %! assert (nextpos, 5); |
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1192 */ |
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1193 |
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1194 DEFMETHOD (scanf, interp, args, , |
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1195 doc: /* -*- texinfo -*- |
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1196 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size}) |
24466
746081e3cbdd
doc: Delete extra ']' in scanf docstring (bug #52742).
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1197 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} scanf (@var{template}, "C") |
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1198 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}. |
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1199 |
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1200 It is currently not useful to call @code{scanf} in interactive programs. |
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1201 @seealso{fscanf, sscanf, printf} |
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1202 @end deftypefn */) |
21634
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|
1203 { |
27167
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* file-io.cc: Declare local constant "who" names "static const".
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|
1204 static const std::string who = "scanf"; |
23737
7fb957d36357
refactor fprintf, printf, fputs, puts, fscanf, and scanf functions
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1205 |
7fb957d36357
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|
1206 octave_value_list tmp_args = args; |
7fb957d36357
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|
1207 |
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|
1208 return scanf_internal (interp, who, tmp_args.prepend (octave_value (0))); |
21634
96518f623c91
Backed out changeset dcf8922b724b
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|
1209 } |
96518f623c91
Backed out changeset dcf8922b724b
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|
1210 |
21504 | 1211 static octave_value_list |
29961
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|
1212 textscan_internal (interpreter& interp, const std::string& who, |
23738
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|
1213 const octave_value_list& args) |
21504 | 1214 { |
1215 if (args.length () < 1) | |
1216 print_usage (who); | |
1217 | |
29961
7d6709900da7
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|
1218 stream os; |
21507
2cdbae31c022
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|
1219 |
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|
1220 if (args(0).is_string ()) |
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|
1221 { |
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|
1222 std::string data = get_scan_string_data (args(0), who); |
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improve compatibility of textscan for character arrays
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|
1223 |
29991
3988112c7116
move i/o stream classes inside octave namespace
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|
1224 os = istrstream::create (data); |
21507
2cdbae31c022
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|
1225 |
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|
1226 if (! os.is_valid ()) |
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improve compatibility of textscan for character arrays
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|
1227 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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|
1228 } |
2cdbae31c022
improve compatibility of textscan for character arrays
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|
1229 else |
23738
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|
1230 { |
29961
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|
1231 stream_list& streams = interp.get_stream_list (); |
23738
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|
1232 |
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1233 os = streams.lookup (args(0), who); |
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|
1234 } |
21504 | 1235 |
1236 int nskip = 1; | |
1237 | |
1238 std::string fmt; | |
1239 | |
1240 if (args.length () == 1) | |
1241 { | |
27956
2310164737b3
fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
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|
1242 // omitted format = %f. explicit "" = width from file |
21504 | 1243 fmt = "%f"; |
1244 } | |
1245 else if (args(1).is_string ()) | |
1246 { | |
1247 fmt = args(1).string_value (); | |
1248 | |
1249 if (args(1).is_sq_string ()) | |
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|
1250 fmt = do_string_escapes (fmt); |
21504 | 1251 |
1252 nskip++; | |
1253 } | |
1254 else | |
1255 error ("%s: FORMAT must be a string", who.c_str ()); | |
1256 | |
1257 octave_idx_type ntimes = -1; | |
1258 | |
1259 if (args.length () > 2) | |
1260 { | |
23586
f6c5db0a02e7
maint: Deprecate is_numeric_type and replace with isnumeric.
Rik <rik@octave.org>
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23573
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|
1261 if (args(2).isnumeric ()) |
21504 | 1262 { |
1263 ntimes = args(2).idx_type_value (); | |
1264 | |
1265 if (ntimes < args(2).double_value ()) | |
1266 error ("%s: REPEAT = %g is too large", | |
1267 who.c_str (), args(2).double_value ()); | |
1268 | |
1269 nskip++; | |
1270 } | |
1271 } | |
1272 | |
1273 octave_value_list options = args.splice (0, nskip); | |
1274 | |
1275 octave_idx_type count = 0; | |
1276 | |
1277 octave_value result = os.textscan (fmt, ntimes, options, who, count); | |
1278 | |
1279 std::string errmsg = os.error (); | |
1280 | |
1281 return ovl (result, count, errmsg); | |
1282 } | |
1283 | |
23738
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|
1284 DEFMETHOD (textscan, interp, args, , |
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1285 doc: /* -*- texinfo -*- |
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|
1286 @deftypefn {} {@var{C} =} textscan (@var{fid}, @var{format}) |
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1287 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}) |
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1288 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{param}, @var{value}, @dots{}) |
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|
1289 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}, @var{param}, @var{value}, @dots{}) |
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|
1290 @deftypefnx {} {@var{C} =} textscan (@var{str}, @dots{}) |
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|
1291 @deftypefnx {} {[@var{C}, @var{position}, @var{errmsg}] =} textscan (@dots{}) |
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1292 Read data from a text file or string. |
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|
1293 |
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1294 The string @var{str} or file associated with @var{fid} is read from and |
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1295 parsed according to @var{format}. The function is an extension of |
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1296 @code{strread} and @code{textread}. Differences include: the ability to |
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1297 read from either a file or a string, additional options, and additional |
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1298 format specifiers. |
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1299 |
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|
1300 The input is interpreted as a sequence of words, delimiters (such as |
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1301 whitespace), and literals. The characters that form delimiters and |
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1302 whitespace are determined by the options. The format consists of format |
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1303 specifiers interspersed between literals. In the format, whitespace forms |
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1304 a delimiter between consecutive literals, but is otherwise ignored. |
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1305 |
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1306 The output @var{C} is a cell array where the number of columns is determined |
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1307 by the number of format specifiers. |
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1308 |
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1309 The first word of the input is matched to the first specifier of the format |
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1310 and placed in the first column of the output; the second is matched to the |
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1311 second specifier and placed in the second column and so forth. If there |
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1312 are more words than specifiers then the process is repeated until all words |
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1313 have been processed or the limit imposed by @var{repeat} has been met (see |
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1314 below). |
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1315 |
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1316 The string @var{format} describes how the words in @var{str} should be |
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1317 parsed. As in @var{fscanf}, any (non-whitespace) text in the format that is |
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1318 not one of these specifiers is considered a literal. If there is a literal |
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1319 between two format specifiers then that same literal must appear in the |
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1320 input stream between the matching words. |
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1321 |
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1322 The following specifiers are valid: |
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1323 |
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1324 @table @code |
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1325 @item %f |
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1326 @itemx %f64 |
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1327 @itemx %n |
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1328 The word is parsed as a number and converted to double. |
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1329 |
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1330 @item %f32 |
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1331 The word is parsed as a number and converted to single (float). |
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1332 |
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1333 @item %d |
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1334 @itemx %d8 |
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1335 @itemx %d16 |
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1336 @itemx %d32 |
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1337 @itemx %d64 |
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1338 The word is parsed as a number and converted to int8, int16, int32, or |
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1339 int64. If no size is specified then int32 is used. |
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1340 |
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1341 @item %u |
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1342 @itemx %u8 |
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1343 @itemx %u16 |
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1344 @itemx %u32 |
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1345 @itemx %u64 |
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1346 The word is parsed as a number and converted to uint8, uint16, uint32, or |
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1347 uint64. If no size is specified then uint32 is used. |
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1348 |
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1349 @item %s |
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1350 The word is parsed as a string ending at the last character before |
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1351 whitespace, an end-of-line, or a delimiter specified in the options. |
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1352 |
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1353 @item %q |
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1354 The word is parsed as a "quoted string". |
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1355 If the first character of the string is a double quote (") then the string |
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1356 includes everything until a matching double quote---including whitespace, |
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1357 delimiters, and end-of-line characters. If a pair of consecutive double |
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1358 quotes appears in the input, it is replaced in the output by a single |
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1359 double quote. For examples, the input "He said ""Hello""" would |
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1360 return the value 'He said "Hello"'. |
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1361 |
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1362 @item %c |
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1363 The next character of the input is read. |
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1364 This includes delimiters, whitespace, and end-of-line characters. |
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1365 |
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1366 @item %[@dots{}] |
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1367 @itemx %[^@dots{}] |
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1368 In the first form, the word consists of the longest run consisting of only |
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1369 characters between the brackets. Ranges of characters can be specified by |
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1370 a hyphen; for example, %[0-9a-zA-Z] matches all alphanumeric characters (if |
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1371 the underlying character set is ASCII). Since @sc{matlab} treats hyphens |
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1372 literally, this expansion only applies to alphanumeric characters. To |
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1373 include '-' in the set, it should appear first or last in the brackets; to |
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1374 include ']', it should be the first character. If the first character is |
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1375 '^' then the word consists of characters @strong{not} listed. |
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1376 |
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1377 @item %N@dots{} |
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1378 For %s, %c %d, %f, %n, %u, an optional width can be specified as %Ns, etc. |
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1379 where N is an integer > 1. For %c, this causes exactly N characters to be |
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1380 read instead of a single character. For the other specifiers, it is an |
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1381 upper bound on the number of characters read; normal delimiters can cause |
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1382 fewer characters to be read. For complex numbers, this limit applies to |
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1383 the real and imaginary components individually. For %f and %n, format |
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1384 specifiers like %N.Mf are allowed, where M is an upper bound on number of |
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1385 characters after the decimal point to be considered; subsequent digits are |
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1386 skipped. For example, the specifier %8.2f would read 12.345e6 as 1.234e7. |
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1387 |
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1388 @item %*@dots{} |
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1389 The word specified by the remainder of the conversion specifier is skipped. |
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1390 |
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1391 @item literals |
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1392 In addition the format may contain literal character strings; these will be |
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1393 skipped during reading. If the input string does not match this literal, |
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1394 the processing terminates. |
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1395 @end table |
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1396 |
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1397 Parsed words corresponding to the first specifier are returned in the first |
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1398 output argument and likewise for the rest of the specifiers. |
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1399 |
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1400 By default, if there is only one input argument, @var{format} is @t{"%f"}. |
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1401 This means that numbers are read from the input into a single column vector. |
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1402 If @var{format} is explicitly empty (@qcode{""}) then textscan will |
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1403 return data in a number of columns matching the number of fields on the |
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1404 first data line of the input. Either of these is suitable only when the |
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1405 input is exclusively numeric. |
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1406 |
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1407 For example, the string |
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1408 |
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1409 @smallexample |
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1410 @group |
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1411 @var{str} = "\ |
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1412 Bunny Bugs 5.5\n\ |
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1413 Duck Daffy -7.5e-5\n\ |
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1414 Penguin Tux 6" |
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1415 @end group |
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1416 @end smallexample |
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1417 |
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1418 @noindent |
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1419 can be read using |
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1420 |
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1421 @example |
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1422 @var{a} = textscan (@var{str}, "%s %s %f"); |
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1423 @end example |
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1424 |
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1425 The optional numeric argument @var{repeat} can be used for limiting the |
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1426 number of items read: |
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1427 |
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1428 @table @asis |
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1429 @item -1 |
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1430 Read all of the string or file until the end (default). |
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1431 |
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1432 @item N |
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1433 Read until the first of two conditions occurs: 1) the format has been |
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1434 processed N times, or 2) N lines of the input have been processed. Zero |
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1435 (0) is an acceptable value for @var{repeat}. Currently, end-of-line |
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1436 characters inside %q, %c, and %[@dots{}]$ conversions do not contribute to |
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1437 the line count. This is incompatible with @sc{matlab} and may change in |
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|
1438 future. |
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move docstrings in C++ files out of C strings and into comments
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|
1439 @end table |
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|
1440 |
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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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|
1441 The behavior of @code{textscan} can be changed via property/value pairs. |
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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|
1442 The following properties are recognized: |
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
|
1443 |
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move docstrings in C++ files out of C strings and into comments
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|
1444 @table @asis |
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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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|
1445 @item @qcode{"BufSize"} |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1446 This specifies the number of bytes to use for the internal buffer. |
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
|
1447 A modest speed improvement may be obtained by setting this to a large value |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1448 when reading a large file, especially if the input contains long strings. |
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
|
1449 The default is 4096, or a value dependent on @var{n} if that is specified. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1450 |
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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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|
1451 @item @qcode{"CollectOutput"} |
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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|
1452 A value of 1 or true instructs @code{textscan} to concatenate consecutive |
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
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|
1453 columns of the same class in the output cell array. A value of 0 or false |
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
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|
1454 (default) leaves output in distinct columns. |
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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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|
1455 |
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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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|
1456 @item @qcode{"CommentStyle"} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1457 Specify parts of the input which are considered comments and will be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1458 skipped. @var{value} is the comment style and can be either (1) A string |
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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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|
1459 or 1x1 cell string, to skip everything to the right of it; (2) A cell array |
21992
03c692adf563
maint: strip trailing whitespace from files.
John W. Eaton <jwe@octave.org>
parents:
21991
diff
changeset
|
1460 of two strings, to skip everything between the first and second strings. |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1461 Comments are only parsed where whitespace is accepted and do not act as |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1462 delimiters. |
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|
1463 |
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move docstrings in C++ files out of C strings and into comments
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|
1464 @item @qcode{"Delimiter"} |
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move docstrings in C++ files out of C strings and into comments
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|
1465 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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|
1466 split the input into words. If @var{value} is a cell array of strings, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1467 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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|
1468 (default value = any whitespace.) |
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|
1469 |
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|
1470 @item @qcode{"EmptyValue"} |
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move docstrings in C++ files out of C strings and into comments
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|
1471 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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|
1472 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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|
1473 example), then the default is zero. |
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|
1474 |
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diff
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|
1475 @item @qcode{"EndOfLine"} |
27956
2310164737b3
fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents:
26642
diff
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|
1476 @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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|
1477 end-of-line character, or the pair |
29117
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
parents:
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diff
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|
1478 @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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|
1479 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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|
1480 @qcode{"@backslashchar{}r"}, @qcode{"@backslashchar{}n"} or |
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
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|
1481 @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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|
1482 newline. If no value is given, |
29117
10a35049bad7
doc: Cleanup Texinfo macros use in documentation.
Rik <rik@octave.org>
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|
1483 @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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|
1484 @c If set to "" (empty string) EOLs are ignored as delimiters and added |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1485 @c to whitespace. |
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diff
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|
1486 |
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diff
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|
1487 @c When reading from a character string, optional input argument @var{n} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1488 @c specifies the number of times @var{format} should be used (i.e., to limit |
112b20240c87
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diff
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|
1489 @c the amount of data read). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1490 @c When reading from file, @var{n} specifies the number of data lines to read; |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1491 @c in this sense it differs slightly from the format repeat count in strread. |
112b20240c87
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diff
changeset
|
1492 |
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diff
changeset
|
1493 @item @qcode{"HeaderLines"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1494 The first @var{value} number of lines of @var{fid} are skipped. Note that |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1495 this does not refer to the first non-comment lines, but the first lines of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
1496 any type. |
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diff
changeset
|
1497 |
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diff
changeset
|
1498 @item @qcode{"MultipleDelimsAsOne"} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1499 If @var{value} is nonzero, treat a series of consecutive delimiters, |
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
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|
1500 without whitespace in between, as a single delimiter. Consecutive |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1501 delimiter series need not be vertically aligned. Without this option, a |
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
|
1502 single delimiter before the end of the line does not cause the line to be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1503 considered to end with an empty value, but a single delimiter at the start |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1504 of a line causes the line to be considered to start with an empty value. |
112b20240c87
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diff
changeset
|
1505 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1506 @item @qcode{"TreatAsEmpty"} |
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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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|
1507 Treat single occurrences (surrounded by delimiters or whitespace) of the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1508 string(s) in @var{value} as missing values. |
112b20240c87
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diff
changeset
|
1509 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1510 @item @qcode{"ReturnOnError"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1511 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
|
1512 encountered, such as trying to read a string using @code{%f}. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1513 If set to 0 or false, return an error and no data. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1514 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1515 @item @qcode{"Whitespace"} |
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move docstrings in C++ files out of C strings and into comments
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|
1516 Any character in @var{value} will be interpreted as whitespace and trimmed; |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1517 The default value for whitespace is |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1518 @c Note: the next line specifically has a newline which generates a space |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1519 @c in the output of qcode, but keeps the next line < 80 characters. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1520 @qcode{" |
29117
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Rik <rik@octave.org>
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|
1521 @backslashchar{}b@backslashchar{}r@backslashchar{}n@backslashchar{}t"} |
21966
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|
1522 (note the space). Unless whitespace is set to @qcode{""} (empty) AND at |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1523 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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diff
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|
1524 always part of whitespace. |
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diff
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|
1525 |
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move docstrings in C++ files out of C strings and into comments
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|
1526 @end table |
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|
1527 |
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move docstrings in C++ files out of C strings and into comments
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|
1528 When the number of words in @var{str} or @var{fid} doesn't match an exact |
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move docstrings in C++ files out of C strings and into comments
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|
1529 multiple of the number of format conversion specifiers, @code{textscan}'s |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1530 behavior depends on whether the last character of the string or file is an |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1531 end-of-line as specified by the @code{EndOfLine} option: |
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|
1532 |
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|
1533 @table @asis |
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|
1534 @item last character = end-of-line |
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move docstrings in C++ files out of C strings and into comments
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|
1535 Data columns are padded with empty fields, NaN or 0 (for integer fields) so |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1536 that all columns have equal length |
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|
1537 |
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move docstrings in C++ files out of C strings and into comments
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|
1538 @item last character is not end-of-line |
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move docstrings in C++ files out of C strings and into comments
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|
1539 Data columns are not padded; @code{textscan} returns columns of unequal |
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move docstrings in C++ files out of C strings and into comments
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|
1540 length |
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|
1541 @end table |
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|
1542 |
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|
1543 The second output @var{position} provides the location, in characters |
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move docstrings in C++ files out of C strings and into comments
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|
1544 from the beginning of the file or string, where processing stopped. |
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|
1545 |
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move docstrings in C++ files out of C strings and into comments
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|
1546 @seealso{dlmread, fscanf, load, strread, textread} |
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|
1547 @end deftypefn */) |
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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21457
diff
changeset
|
1548 { |
27167
ec6d31ef6bb6
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1549 static const std::string who = "textscan"; |
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1550 |
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1551 return textscan_internal (interp, who, args); |
21504 | 1552 } |
1553 | |
23738
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1554 DEFMETHOD (__textscan__, interp, args, , |
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1555 doc: /* -*- texinfo -*- |
21966
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1556 @deftypefn {} {@var{C} =} __textscan__ (@var{who}, @dots{}) |
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|
1557 Like @code{textscan} but accept additional argument @var{who} to use |
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|
1558 as the name of the function when reporting errors. |
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|
1559 @end deftypefn */) |
21504 | 1560 { |
1561 if (args.length () == 0) | |
21502
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|
1562 print_usage (); |
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|
1563 |
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|
1564 return textscan_internal (interp, args(0).string_value (), |
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|
1565 args.splice (0, 1)); |
21502
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|
1566 } |
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|
1567 |
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|
1568 /* |
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1569 %!test |
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|
1570 %! str = "1, 2, 3, 4\n 5, , , 8\n 9, 10, 11, 12"; |
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|
1571 %! fmtstr = "%f %d %f %s"; |
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1572 %! c = textscan (str, fmtstr, 2, "delimiter", ",", "emptyvalue", -Inf); |
21625 | 1573 %! assert (c{1}, [1;5]); |
1574 %! assert (c{3}, [3; -Inf]); | |
21502
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|
1575 %! assert (iscellstr (c{4})); |
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1576 |
7a19c5678f91
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|
1577 %!test |
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1578 %! b = [10:10:100]; |
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1579 %! b = [b; 8*b/5]; |
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1580 %! str = sprintf ("%g miles/hr = %g kilometers/hr\n", b); |
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1581 %! fmt = "%f miles/hr = %f kilometers/hr"; |
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1582 %! c = textscan (str, fmt); |
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|
1583 %! assert (c{1}, b(1,:)', 1e-5); |
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|
1584 %! assert (c{2}, b(2,:)', 1e-5); |
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|
1585 |
7a19c5678f91
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|
1586 %!test |
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1587 %! str = "13, -, NA, str1, -25\r\n// Middle line\r\n36, na, 05, str3, 6"; |
21625 | 1588 %! c = textscan (str, "%d %n %f %s %n", "delimiter", ",", |
1589 %! "treatAsEmpty", {"NA", "na", "-"}, "commentStyle", "//"); | |
1590 %! assert (c{1}, int32 ([13; 36])); | |
1591 %! assert (c{2}, [NaN; NaN]); | |
1592 %! assert (c{3}, [NaN; 5]); | |
1593 %! assert (c{4}, {"str1"; "str3"}); | |
1594 %! assert (c{5}, [-25; 6]); | |
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|
1595 |
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|
1596 %!test |
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1597 %! str = "Km:10 = hhhBjjj miles16hour\r\n"; |
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1598 %! str = [str "Km:15 = hhhJjjj miles241hour\r\n"]; |
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|
1599 %! str = [str "Km:2 = hhhRjjj miles3hour\r\n"]; |
7a19c5678f91
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|
1600 %! str = [str "Km:25 = hhhZ\r\n"]; |
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|
1601 %! fmt = "Km:%d = hhh%1sjjj miles%dhour"; |
21625 | 1602 %! c = textscan (str, fmt, "delimiter", " "); |
1603 %! assert (c{1}', int32 ([10, 15, 2, 25])); | |
1604 %! assert (c{2}', {'B' 'J' 'R' 'Z'}); | |
1605 %! assert (c{3}', int32 ([16, 241, 3, 0])); | |
1606 | |
1607 ## Test with default EndOfLine parameter | |
21502
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1608 %!test |
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1609 %! c = textscan ("L1\nL2", "%s"); |
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1610 %! assert (c{:}, {"L1"; "L2"}); |
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1611 |
21625 | 1612 ## Test with EndofLine parameter set to "" (empty) - newline should be in word |
21502
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|
1613 %!test |
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|
1614 %! c = textscan ("L1\nL2", "%s", "endofline", ""); |
21625 | 1615 %! assert (int8 ([c{:}{:}]), int8 ([76, 49, 10, 76, 50])); |
21502
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|
1616 |
22737
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|
1617 ## Matlab fails this test. A literal after a conversion is not a delimiter |
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|
1618 %!#test |
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|
1619 %! ## No delimiters at all besides EOL. Skip fields, even empty fields |
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|
1620 %! str = "Text1Text2Text\nTextText4Text\nText57Text"; |
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|
1621 %! c = textscan (str, "Text%*dText%dText"); |
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|
1622 %! assert (c{1}, int32 ([2; 4; 0])); |
21502
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|
1623 |
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|
1624 ## CollectOutput test |
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|
1625 %!test |
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1626 %! b = [10:10:100]; |
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1627 %! b = [b; 8*b/5; 8*b*1000/5]; |
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|
1628 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
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1629 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
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|
1630 %! c = textscan (str, fmt, "collectoutput", 1); |
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|
1631 %! assert (size (c{3}), [10, 2]); |
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|
1632 %! assert (size (c{2}), [10, 2]); |
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|
1633 |
7a19c5678f91
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|
1634 ## CollectOutput test with uneven column length files |
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|
1635 %!test |
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1636 %! b = [10:10:100]; |
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1637 %! b = [b; 8*b/5; 8*b*1000/5]; |
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|
1638 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
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1639 %! str = [str "110 miles/hr"]; |
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1640 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
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1641 %! c = textscan (str, fmt, "collectoutput", 1); |
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|
1642 %! assert (size (c{1}), [11, 1]); |
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|
1643 %! assert (size (c{3}), [11, 2]); |
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|
1644 %! assert (size (c{2}), [11, 2]); |
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1645 %! assert (c{3}(end), NaN); |
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1646 %! assert (c{2}{11, 1}, "/hr"); |
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1647 %! assert (isempty (c{2}{11, 2}), true); |
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1648 |
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|
1649 ## Double quoted string |
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1650 %!test |
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1651 %! str = 'First "the second called ""the middle""" third'; |
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1652 %! fmt = "%q"; |
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1653 %! c = textscan (str, fmt); |
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|
1654 %! assert (c{1}, {"First"; 'the second called "the middle"'; "third"}); |
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1655 |
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|
1656 ## Arbitrary character |
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|
1657 %!test |
21625 | 1658 %! c = textscan ("a first, \n second, third", "%s %c %11c", "delimiter", " ,"); |
21502
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|
1659 %! assert (c{1}, {"a"; "ond"}); |
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|
1660 %! assert (c{2}, {"f"; "t"}); |
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|
1661 %! assert (c{3}, {"irst, \n sec"; "hird"}); |
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|
1662 |
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|
1663 ## Field width and non-standard delimiters |
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|
1664 %!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
|
1665 %! str = "12;34;123456789;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
|
1666 %! c = textscan (str, "%4d %4d", "delimiter", ";", "collectOutput", 1); |
21625 | 1667 %! assert (c, {[12, 34; 1234, 5678; 9, 7]}); |
1668 | |
1669 ## Field width and non-standard delimiters (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
|
1670 %!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
|
1671 %! str = "12;34;123456789;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
|
1672 %! c = textscan (str, "%4f %f", "delimiter", ";", "collectOutput", 1); |
21625 | 1673 %! assert (c, {[12, 34; 1234, 56789; 7, NaN]}); |
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
|
1674 |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
1675 ## 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>
parents:
28182
diff
changeset
|
1676 ## so "12.234e+2", when read with "%10.2f %f", yields "12.23" and "4e+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
|
1677 ## Ignore trailing delimiter, but use leading one |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
1678 %!#test |
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 %! str = "12.234e+2,34, \n12345.789-9876j,78\n,10|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
|
1680 %! c = textscan (str, "%10.2f %f", "delimiter", ",", "collectOutput", 1, |
21625 | 1681 %! "expChars", "e|"); |
1682 %! assert (c, {[1223, 34; 12345.79-9876j, 78; NaN, 10000]}, 1e-6); | |
1683 | |
1684 ## Multi-character delimiter | |
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
|
1685 %!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
|
1686 %! str = "99end2 space88gap 4564"; |
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 %! c = textscan (str, "%d %s", "delimiter", {"end", "gap", "space"}); |
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}, int32 ([99; 88])); |
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
|
1689 %! assert (c{2}, {"2 "; "4564"}); |
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
|
1690 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1691 ## FIXME: Following two tests still fail (4/13/2016). |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1692 ## 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
|
1693 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1694 %! str = "12 R&D & 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1695 %! 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
|
1696 %! "EmptyValue", -99); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1697 %! 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
|
1698 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1699 ## 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
|
1700 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1701 %! str = "12 & R&D 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1702 %! 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
|
1703 %! 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
|
1704 |
21625 | 1705 ## 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
|
1706 %!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
|
1707 %! 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
|
1708 %! 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
|
1709 %! 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
|
1710 %! 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
|
1711 %! 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
|
1712 %! 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
|
1713 %! 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
|
1714 %! 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
|
1715 %! assert (c, {1, 2}); |
21625 | 1716 %! assert (! E); |
1717 | |
1718 ## 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
|
1719 %!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
|
1720 %! 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
|
1721 %! 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
|
1722 %! 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
|
1723 %! 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
|
1724 %! 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
|
1725 %! 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
|
1726 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1727 %! 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
|
1728 |
21625 | 1729 ## 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
|
1730 %!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
|
1731 %! 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
|
1732 %! 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
|
1733 %! 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
|
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", 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
|
1736 %! 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
|
1737 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1738 %! 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
|
1739 |
21625 | 1740 ## 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
|
1741 %!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
|
1742 %! 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
|
1743 %! 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
|
1744 %! 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
|
1745 %! 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
|
1746 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1747 %! 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
|
1748 %! 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
|
1749 %! 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
|
1750 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1751 %! 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
|
1752 %! assert (c, {[1;4], [2], [3]}); |
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1753 %! 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
|
1754 |
21625 | 1755 %! ## 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
|
1756 %!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
|
1757 %! 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
|
1758 %! 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
|
1759 %! 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
|
1760 %! 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
|
1761 %! 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
|
1762 %! 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
|
1763 %! 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
|
1764 %! 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
|
1765 %! 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
|
1766 %! 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
|
1767 %! assert (c, {[1;4], 2, 3}); |
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1768 %! 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
|
1769 |
21625 | 1770 %!error <Read error in field 2 of row 2> |
1771 %! textscan ("1 2 3\n4 s 6", "%f %f %f", "ReturnOnError", 0); | |
1772 | |
1773 ## 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
|
1774 %!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
|
1775 %! 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
|
1776 %! 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
|
1777 %! 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
|
1778 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1779 %! 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
|
1780 %! 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
|
1781 %! 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
|
1782 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1783 %! 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
|
1784 |
21625 | 1785 ## 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
|
1786 %!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
|
1787 %! 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
|
1788 %! 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
|
1789 |
21625 | 1790 ## 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
|
1791 %!test |
21625 | 1792 %! c = textscan ("1,,3\n4,5,6", "%f %f %f", "Delimiter", ",", |
1793 %! "ReturnOnError", 1); | |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1794 %! 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
|
1795 |
21625 | 1796 ## 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
|
1797 %!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
|
1798 %! 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
|
1799 %! 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
|
1800 |
21625 | 1801 ## 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
|
1802 ## Test incomplete first data line |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1803 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1804 %! 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
|
1805 %! assert (R{1}, int32 (1)); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1806 %! 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
|
1807 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1808 %!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
|
1809 %! 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
|
1810 %! 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
|
1811 %! 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
|
1812 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1813 ## 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
|
1814 %!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
|
1815 %! 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
|
1816 %! 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
|
1817 %! 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
|
1818 %! 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
|
1819 %! 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
|
1820 %! 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
|
1821 %! 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
|
1822 %! 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
|
1823 %! 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
|
1824 %! 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
|
1825 %! 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
|
1826 %! assert (strcmp (lh, rh)); |
21625 | 1827 %! 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
|
1828 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1829 ## 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
|
1830 %!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
|
1831 %! 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
|
1832 %! 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
|
1833 %! 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
|
1834 %! 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
|
1835 %! 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
|
1836 %! 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
|
1837 %! 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
|
1838 %! 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
|
1839 %! 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
|
1840 %! 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
|
1841 %! 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
|
1842 %! assert (strcmp (lh, rh)); |
21625 | 1843 %! 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
|
1844 |
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 ## 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
|
1846 %!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
|
1847 %! 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
|
1848 %! 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
|
1849 %! 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
|
1850 %! 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
|
1851 %! 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
|
1852 %! 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
|
1853 %! 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
|
1854 %! 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
|
1855 %! 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
|
1856 %! 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
|
1857 %! 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
|
1858 %! 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
|
1859 %! assert (strcmp (lh, rh)); |
21625 | 1860 %! 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
|
1861 |
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 ## 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
|
1863 %!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
|
1864 %! 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
|
1865 %! 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
|
1866 %! 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
|
1867 %! 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
|
1868 %! 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
|
1869 %! 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
|
1870 %! 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
|
1871 %! 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
|
1872 %! 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
|
1873 %! 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
|
1874 %! assert (strcmp (lh, rh)); |
21625 | 1875 %! 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
|
1876 |
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
|
1877 ## 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
|
1878 %!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
|
1879 %! 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
|
1880 %! 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
|
1881 %! 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
|
1882 %! 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
|
1883 %! 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
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1884 %! c = textscan (string, "%s", "delimiter", ";", "whitespace", " "); |
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1885 %! for k = 1:max (numel (c{1}), numel (tc)) |
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1886 %! lh = c{1}{k}; |
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1887 %! rh = tc{k}; |
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1888 %! rh(rh == ";") = ""; |
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1889 %! rh = strtrim (rh); |
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1890 %! assert (strcmp (lh, rh)); |
21625 | 1891 %! endfor |
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1892 |
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1893 ## Tests reading with empty format, should return proper nr of columns |
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1894 %!test |
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1895 %! f = tempname (); |
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1896 %! fid = fopen (f, "w+"); |
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1897 %! fprintf (fid, " 1 2 3 4\n5 6 7 8"); |
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1898 %! fseek (fid, 0, "bof"); |
21625 | 1899 %! C = textscan (fid, ""); |
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1900 %! E = feof (fid); |
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1901 %! fclose (fid); |
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1902 %! unlink (f); |
21625 | 1903 %! assert (C{1}, [1 ; 5], 1e-6); |
1904 %! assert (C{2}, [2 ; 6], 1e-6); | |
1905 %! assert (C{3}, [3 ; 7], 1e-6); | |
1906 %! assert (C{4}, [4 ; 8], 1e-6); | |
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1907 %! assert (E); |
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1908 |
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1909 ## Test leaving the file at the correct position on exit |
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1910 %!test |
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1911 %! f = tempname (); |
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1912 %! fid = fopen (f, "w+"); |
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1913 %! fprintf (fid, "1,2\n3,4\n"); |
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1914 %! fseek (fid, 0, "bof"); |
21625 | 1915 %! C = textscan (fid, "%s %f", 2, "Delimiter", ","); |
21621
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1916 %! E = ftell (fid); |
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1917 %! fclose (fid); |
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1918 %! unlink (f); |
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1919 %! assert (E, 8); |
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1920 |
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1921 ## Tests reading with empty format; empty fields & incomplete lower row |
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1922 %!test |
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1923 %! f = tempname (); |
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1924 %! fid = fopen (f, "w+"); |
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1925 %! fprintf (fid, " ,2,,4\n5,6"); |
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1926 %! fseek (fid, 0, "bof"); |
21625 | 1927 %! C = textscan (fid, "", "delimiter", ",", "EmptyValue", 999, |
1928 %! "CollectOutput" , 1); | |
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1929 %! fclose (fid); |
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1930 %! unlink (f); |
21625 | 1931 %! assert (C{1}, [999, 2, 999, 4; 5, 6, 999, 999], 1e-6); |
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1932 |
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1933 ## Error message tests |
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1934 |
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1935 %!test |
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1936 %! f = tempname (); |
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1937 %! fid = fopen (f, "w+"); |
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1938 %! msg1 = "textscan: 1 parameters given, but only 0 values"; |
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1939 %! try |
21625 | 1940 %! C = textscan (fid, "", "headerlines"); |
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1941 %! end_try_catch; |
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1942 %! assert (! feof (fid)); |
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1943 %! fclose (fid); |
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1944 %! unlink (f); |
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1945 %! assert (msg1, lasterr); |
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1946 |
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1947 %!test |
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1948 %! f = tempname (); |
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1949 %! fid = fopen (f, "w+"); |
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1950 %! msg1 = "textscan: HeaderLines must be numeric"; |
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1951 %! try |
21625 | 1952 %! C = textscan (fid, "", "headerlines", "hh"); |
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1953 %! end_try_catch; |
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1954 %! fclose (fid); |
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1955 %! unlink (f); |
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1956 %! assert (msg1, lasterr); |
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1957 |
21625 | 1958 ## Skip headerlines |
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1959 %!test |
21625 | 1960 %! C = textscan ("field 1 field2\n 1 2\n3 4", "", "headerlines", 1, |
1961 %! "collectOutput", 1); | |
1962 %! assert (C, {[1 2; 3 4]}); | |
1963 | |
1964 ## Skip headerlines with non-default EOL | |
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1965 %!test |
21625 | 1966 %! C = textscan ("field 1 field2\r 1 2\r3 4", "", "headerlines", 2, |
1967 %! "collectOutput", 1, "EndOfLine", '\r'); | |
1968 %! assert (C, {[3 4]}); | |
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1969 |
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1970 %!test |
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1971 %! f = tempname (); |
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1972 %! fid = fopen (f, "w+"); |
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1973 %! fprintf (fid,"some_string"); |
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1974 %! fseek (fid, 0, "bof"); |
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1975 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1976 %! try |
21625 | 1977 %! C = textscan (fid, "%f", "EndOfLine", "\n\r"); |
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1978 %! end_try_catch; |
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1979 %! fclose (fid); |
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1980 %! unlink (f); |
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1981 %! assert (msg1, lasterr); |
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1982 |
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1983 %!test |
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1984 %! f = tempname (); |
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1985 %! fid = fopen (f, "w+"); |
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1986 %! fprintf (fid,"some_string"); |
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1987 %! fseek (fid, 0, "bof"); |
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1988 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1989 %! try |
21625 | 1990 %! C = textscan (fid, "%f", "EndOfLine", 33); |
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1991 %! end_try_catch; |
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1992 %! fclose (fid); |
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1993 %! unlink (f); |
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1994 %! assert (msg1, lasterr); |
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|
1995 |
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|
1996 %!assert <*41824> (textscan ("123", "", "whitespace", " "){:}, 123); |
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1997 |
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1998 ## just test supplied emptyvalue |
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1999 %!assert <*42343> (textscan (",NaN", "", "delimiter", "," ,"emptyValue" ,Inf), |
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2000 %! {Inf, NaN}) |
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2001 |
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2002 ## test padding with supplied emptyvalue |
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2003 %!test <*42343> |
21625 | 2004 %! c = textscan (",1,,4\nInf, ,NaN\n", "", "delimiter", ",", |
2005 %! "emptyvalue", -10); | |
2006 %! assert (cell2mat (c), [-10, 1, -10, 4; Inf, -10, NaN, -10]); | |
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2007 |
23573
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2008 %!test <*42528> |
21502
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2009 %! assert (textscan ("1i", ""){1}, 0+1i); |
21625 | 2010 %! C = textscan ("3, 2-4i, NaN\n -i, 1, 23.4+2.2i\n 1+1 1+1j", "", |
2011 %! "delimiter", ","); | |
2012 %! assert (cell2mat (C), [3+0i, 2-4i, NaN+0i; 0-i, 1+0i, 23.4+2.2i; 1 1 1+1i]); | |
21502
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2013 |
7a19c5678f91
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2014 %!test |
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2015 %! ## TreatAsEmpty |
21625 | 2016 %! C = textscan ("1,2,3,NN,5,6\n", "%d%d%d%f", "delimiter", ",", |
2017 %! "TreatAsEmpty", "NN"); | |
21502
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2018 %! assert (C{3}(1), int32 (3)); |
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2019 %! assert (C{4}(1), NaN); |
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2020 |
7a19c5678f91
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2021 ## MultipleDelimsAsOne |
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2022 %!test |
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2023 %! str = "11, 12, 13,, 15\n21,, 23, 24, 25\n,, 33, 34, 35\n"; |
21625 | 2024 %! C = textscan (str, "%f %f %f %f", "delimiter", ",", |
2025 %! "multipledelimsasone", 1, "endofline", "\n"); | |
21502
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2026 %! assert (C{1}', [11, 21, 33]); |
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2027 %! assert (C{2}', [12, 23, 34]); |
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2028 %! assert (C{3}', [13, 24, 35]); |
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|
2029 %! assert (C{4}', [15, 25, NaN]); |
7a19c5678f91
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2030 |
21551
990c6c31a684
Accept escape sequences in single quoted strings for "delimiter" (bug #47539)
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|
2031 ## Single-quoted escape sequences |
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2032 %!test |
990c6c31a684
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2033 %! str = "11\t12\t13\r21\t22\t23"; |
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2034 %! c = textscan (str, "", "delimiter", '\t', "EndOfLine", '\r'); |
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2035 %! assert (c{1}', [11, 21]); |
990c6c31a684
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|
2036 %! assert (c{2}', [12, 22]); |
990c6c31a684
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|
2037 %! assert (c{3}', [13, 23]); |
990c6c31a684
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|
2038 |
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|
2039 %!test <*44750> |
21625 | 2040 %! c = textscan ("/home/foo/", "%s", "delimiter", "/", |
2041 %! "MultipleDelimsAsOne", 1); | |
2042 %! assert (c{1}, {"home"; "foo"}); | |
2043 | |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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|
2044 ## FIXME: Test still fails (4/13/2016). |
21625 | 2045 ## Allow cuddling %sliteral, but warn it is ambiguous |
22737
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|
2046 %!#test |
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2047 %! C = textscan ("abcxyz51\nxyz83\n##xyz101", "%s xyz %d"); |
7abc25e6206a
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|
2048 %! assert (C{1}([1 3]), {"abc"; "##"}); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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2049 %! assert (isempty (C{1}{2}), true); |
7abc25e6206a
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|
2050 %! assert (C{2}, int32 ([51; 83; 101])); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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|
2051 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
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|
2052 ## Literals are not delimiters. |
21502
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2053 |
7a19c5678f91
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2054 ## Test for false positives in check for non-supported format specifiers |
7a19c5678f91
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|
2055 %!test |
21625 | 2056 %! c = textscan ("Total: 32.5 % (of cm values)", |
2057 %! "Total: %f %% (of cm values)"); | |
2058 %! assert (c{1}, 32.5, 1e-5); | |
21502
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|
2059 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
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|
2060 ## Test various forms of string format specifiers |
23573
1b4f4ec53b4a
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|
2061 %!test <*45712> |
21502
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2062 %! str = "14 :1 z:2 z:3 z:5 z:11"; |
7a19c5678f91
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|
2063 %! C = textscan (str, "%f %s %*s %3s %*3s %f", "delimiter", ":"); |
7a19c5678f91
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|
2064 %! assert (C, {14, {"1 z"}, {"3 z"}, 11}); |
7a19c5678f91
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|
2065 |
21625 | 2066 ## Bit width, fixed width conversion specifiers |
21502
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|
2067 %!test |
7a19c5678f91
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|
2068 %! str2 = "123456789012345 "; |
7a19c5678f91
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|
2069 %! str2 = [str2 str2 str2 str2 str2 str2 str2 str2]; |
7a19c5678f91
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|
2070 %! str2 = [str2 "123456789.01234 1234567890.1234 12345.678901234 12345.678901234"]; |
7a19c5678f91
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2071 %! 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
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|
2072 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
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|
2073 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
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|
2074 %! assert (C{2}, uint16 (12345)); |
7a19c5678f91
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|
2075 %! assert (C{3}, uint32 (1234567890)); |
7a19c5678f91
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|
2076 %! assert (C{4}, uint64 (123456789012345)); |
7a19c5678f91
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|
2077 %! assert (C{5}, int8 (123)); |
7a19c5678f91
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|
2078 %! assert (C{6}, int16 (12345)); |
7a19c5678f91
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|
2079 %! assert (C{7}, int32 (1234567890)); |
7a19c5678f91
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|
2080 %! assert (C{8}, int64 (123456789012345)); |
7a19c5678f91
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2081 %! assert (C{9}, single (123456789), 1e-12); |
7a19c5678f91
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|
2082 %! assert (C{10}, double (1234567890.123), 1e-15); |
7a19c5678f91
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|
2083 %! assert (C{11}, single (12345.68), 1e-5); |
7a19c5678f91
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|
2084 %! assert (C{12}, double (12345.68), 1e-11); |
7a19c5678f91
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|
2085 |
21625 | 2086 ## Bit width, fixed width conv. specifiers -- check the right amount is left |
21502
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|
2087 %!test |
7a19c5678f91
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2088 %! str2 = "123456789012345 "; |
7a19c5678f91
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2089 %! str2 = [str2 str2 "123456789.01234"]; |
7a19c5678f91
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|
2090 %! pttrn = "%3u8 %5u16 %10u32 %3d8 %5d16 %10d32 %9f32 %9f"; |
7a19c5678f91
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2091 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
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|
2092 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
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2093 %! assert (C{2}, uint16 (45678)); |
7a19c5678f91
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|
2094 %! assert (C{3}, uint32 (9012345)); |
7a19c5678f91
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2095 %! assert (C{4}, int8 (123)); |
7a19c5678f91
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|
2096 %! assert (C{5}, int16 (45678)); |
7a19c5678f91
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2097 %! assert (C{6}, int32 (9012345)); |
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2098 %! assert (C{7}, single (123456789), 1e-12); |
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2099 %! assert (C{8}, double (0.01234), 1e-12); |
7a19c5678f91
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|
2100 |
7a19c5678f91
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2101 %!test |
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2102 %! C = textscan ("123.123", "%2f %3f %3f"); |
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2103 %! assert (C{1}, 12); |
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2104 %! assert (C{2}, 3.1, 1e-11); |
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2105 %! assert (C{3}, 23); |
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2106 |
7a19c5678f91
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2107 %!test |
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2108 %! C = textscan ("123.123", "%3f %3f %3f"); |
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2109 %! assert (C{1}, 123); |
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2110 %! assert (C{2}, 0.12, 1e-11); |
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2111 %! assert (C{3}, 3); |
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2112 |
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2113 %!test |
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2114 %! C = textscan ("123.123", "%4f %3f"); |
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2115 %! assert (C{1}, 123); |
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|
2116 %! assert (C{2}, 123); |
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
|
2117 |
21625 | 2118 ## field width interrupts exponent. (Matlab incorrectly gives [12, 2e12]) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2119 %!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
|
2120 %! assert (textscan ("12e12", "%4f"), {[120; 2]}); |
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
|
2121 %! assert (textscan ("12e+12", "%5f"), {[120; 2]}); |
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
|
2122 %! assert (textscan ("125e-12","%6f"), {[12.5; 2]}); |
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
|
2123 |
21625 | 2124 ## %[] tests |
2125 ## Plain [..] 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 |
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
|
2127 %! ar = "abcdefguvwxAny\nacegxyzTrailing\nJunk"; |
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
|
2128 %! C = textscan (ar, "%[abcdefg] %*[uvwxyz] %s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2129 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2130 %! assert (C{2}, {"Any"; "Trailing"; "Junk"}); |
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
|
2131 |
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 %!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
|
2133 %! assert (textscan ("A2 B2 C3", "%*[ABC]%d", 3), {int32([2; 2; 3])}); |
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 ## [^..] 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
|
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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diff
changeset
|
2137 %! br = "abcdefguvwx1Any\nacegxyz2Trailing\n3Junk"; |
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
|
2138 %! C = textscan (br, "%[abcdefg] %*[^0123456789] %s"); |
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 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
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
|
2140 %! 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>
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diff
changeset
|
2141 |
21625 | 2142 ## [..] 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
|
2143 %!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
|
2144 %! cr = "ab cd efguv wx1Any\na ce gx yz2Trailing\n 3Junk"; |
21625 | 2145 %! C = textscan (cr, "%[ abcdefg] %*[^0123456789] %s", "delimiter", " \n", |
2146 %! "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
|
2147 %! 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
|
2148 %! 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>
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diff
changeset
|
2149 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
2150 %!assert <*36464> (textscan ("1 2 3 4 5 6", "%*n%n%*[^\n]"){1}, 2); |
21625 | 2151 |
2152 ## 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
|
2153 %!test |
21625 | 2154 %! assert (textscan ("345]", "%*[123456]%[]]"){1}{1}, "]"); |
2155 %! assert (textscan ("345]", "%*[^]]%s"){1}{1}, "]"); | |
2156 | |
2157 ## Test that "-i" checks the next two characters | |
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
|
2158 %!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
|
2159 %! 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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changeset
|
2160 %! 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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changeset
|
2161 |
21625 | 2162 ## Again for "+i", this time with custom parser |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2163 %!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
|
2164 %! 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
|
2165 %! assert (C, {i, i, {"n"}, Inf, Inf, {"inity"}}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2166 |
21625 | 2167 ## 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
|
2168 %!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
|
2169 %! 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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changeset
|
2170 %! 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
|
2171 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2172 ## 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
|
2173 %!test |
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2174 %! 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
|
2175 %! 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
|
2176 |
21625 | 2177 ## Check overflow and underflow of integer types |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2178 %!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
|
2179 %! 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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changeset
|
2180 %! b = "1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2181 %! 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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changeset
|
2182 %! 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
|
2183 %! 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
|
2184 %! 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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diff
changeset
|
2185 %! 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
|
2186 %! 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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changeset
|
2187 %! 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
|
2188 %! 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:
21457
diff
changeset
|
2189 %! 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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21457
diff
changeset
|
2190 %! 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>
parents:
21457
diff
changeset
|
2191 |
21625 | 2192 ## 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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21457
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:
21457
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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diff
changeset
|
2196 %! 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
|
2197 %! 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
|
2198 %! 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>
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diff
changeset
|
2199 %! 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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changeset
|
2200 %! 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
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21457
diff
changeset
|
2201 %! %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
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diff
changeset
|
2202 %! assert (C{2}, {"Level1";"Level2";"Level3"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2203 %! 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>
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changeset
|
2204 %! assert (C{4}, [int8(45);int8(60);int8(12)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2205 %! assert (C{5}, [uint32(4294967295);uint32(4294967295);uint32(200000)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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21457
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changeset
|
2206 %! assert (C{6}, [inf;-inf;10]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2207 %! assert (C{7}, [NaN;0.001;100], eps); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2208 %! 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>
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changeset
|
2209 %! 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
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changeset
|
2210 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2211 %! 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
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changeset
|
2212 %! assert (C{2}, [int32(1);int32(2);int32(3)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2213 %! 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
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changeset
|
2214 %! fseek (fid, 0, "bof"); |
21625 | 2215 %! C = textscan (fid, '%s %*[^\n]'); |
21502
7a19c5678f91
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|
2216 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2217 %! 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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changeset
|
2218 %! 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
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changeset
|
2219 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2220 %!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
|
2221 %! 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
|
2222 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2223 %! 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
|
2224 %! 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>
parents:
21457
diff
changeset
|
2225 %! 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
|
2226 %! 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>
parents:
21457
diff
changeset
|
2227 %! 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
|
2228 %! 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
|
2229 %! assert (C{4}, [4; -Inf]); |
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
|
2230 %! 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>
parents:
21457
diff
changeset
|
2231 |
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
|
2232 %!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
|
2233 %! 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
|
2234 %! 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
|
2235 %! fprintf (fid,"abc, 2, NA, 3, 4\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
|
2236 %! fprintf (fid,"// Comment Here\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
|
2237 %! fprintf (fid,"def, na, 5, 6, 7\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
|
2238 %! fseek (fid, 0, "bof"); |
21625 | 2239 %! C = textscan (fid, "%s %n %n %n %n", "Delimiter", ",", |
2240 %! "TreatAsEmpty", {"NA","na"}, "CommentStyle", "//"); | |
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
|
2241 %! 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
|
2242 %! 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
|
2243 %! assert (C{1}, {"abc";"def"}); |
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
|
2244 %! assert (C{2}, [2; NaN]); |
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
|
2245 %! assert (C{3}, [NaN; 5]); |
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
|
2246 %! 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
|
2247 %! 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
|
2248 |
21625 | 2249 ## 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
|
2250 ## 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
|
2251 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2252 %! 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
|
2253 %! assert (c(1), {1, "/", 2}); |
21507
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2254 |
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2255 %!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
|
2256 |
21625 | 2257 ## Check for delimiter after exponent |
21566
02826fb0f261
textscan: Fix bug in exponent parsing
Mike Miller <mtmiller@octave.org>
parents:
21551
diff
changeset
|
2258 %!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
|
2259 |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2260 %!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
|
2261 %! 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
|
2262 %! 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
|
2263 %! 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
|
2264 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2265 %!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
|
2266 %! 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
|
2267 %! 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
|
2268 %! 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
|
2269 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2270 %!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
|
2271 %! 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
|
2272 %! 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
|
2273 %! 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
|
2274 %! 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
|
2275 %! 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
|
2276 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2277 %!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
|
2278 %! 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
|
2279 %! 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
|
2280 %! 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
|
2281 %! 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
|
2282 %! 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
|
2283 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2284 %!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
|
2285 %! 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
|
2286 %! 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
|
2287 %! 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
|
2288 %! 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
|
2289 %! 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
|
2290 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2291 %!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
|
2292 %! 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
|
2293 %! 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
|
2294 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2295 %!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
|
2296 %! 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
|
2297 %! obs = textscan (str, "%f", "delimiter", ",;$"); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2298 %! assert (obs, { [0; 1; NaN; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2299 %! obs = textscan (str, "%f", "delimiter", {",",";","$"}); |
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
|
2300 %! 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
|
2301 |
26706
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2302 ## file stream with encoding |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2303 %!test |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2304 %! f = tempname (); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2305 %! 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
|
2306 %! unwind_protect |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2307 %! fprintf (fid, "abc,äöü\n"); |
30822
0826c503f294
Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents:
30790
diff
changeset
|
2308 %! fflush (fid); |
26706
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2309 %! fseek (fid, 0, "bof"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2310 %! 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
|
2311 %! fclose (fid); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2312 %! assert (obs, { {"abc"; "äöü"} }); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2313 %! unwind_protect_cleanup |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2314 %! unlink (f); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2315 %! end_unwind_protect |
27424
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2316 |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2317 %!test <*56917> |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2318 %! str = '"a,b","c"'; |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2319 %! obs = textscan (str, "%q", "delimiter", ","); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2320 %! assert (obs, { { "a,b"; "c" } }); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2321 |
28182
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2322 %!test <*58008> |
56349d9ca566
Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents:
28087
diff
changeset
|
2323 %! 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
|
2324 %! 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
|
2325 %! 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
|
2326 %! 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
|
2327 %! 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
|
2328 %! 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
|
2329 |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2330 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2331 %! 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
|
2332 %! 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
|
2333 %! 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
|
2334 %! 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
|
2335 %! assert (C{2}, { ""; "" }); |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2336 |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2337 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2338 %! 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
|
2339 %! 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
|
2340 %! 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
|
2341 %! 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
|
2342 %! 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
|
2343 |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2344 %!test <*57612> |
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2345 %! 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
|
2346 %! 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
|
2347 %! 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
|
2348 %! 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
|
2349 %! 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
|
2350 |
28184
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2351 %!test <*51093> |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2352 %! str = sprintf ('a\t\tb\tc'); |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2353 %! 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
|
2354 %! assert (C{1}, {'a'; ''; 'b'; 'c'}); |
c805c1b541fa
test: Add BIST test for textscan (Bug #51093).
Rik <rik@octave.org>
parents:
28183
diff
changeset
|
2355 |
29494
76269aa97398
if bug number is supplied, prefer '%!test' over '%!xtest'
John W. Eaton <jwe@octave.org>
parents:
29359
diff
changeset
|
2356 %!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
|
2357 %! 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
|
2358 %! 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
|
2359 |
30790
5fbc41f7a8d1
textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents:
30565
diff
changeset
|
2360 %!assert <*60711> (textscan('1,.,2', '%f', 'Delimiter', ','), {1}); |
5fbc41f7a8d1
textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents:
30565
diff
changeset
|
2361 |
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
|
2362 */ |
28183
abcff237241f
Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents:
28182
diff
changeset
|
2363 |
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
|
2364 // 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
|
2365 #if 0 |
21625 | 2366 ## 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
|
2367 %!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
|
2368 %! 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
|
2369 %! 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
|
2370 |
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
|
2371 ## 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
|
2372 %!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
|
2373 %! 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
|
2374 %! 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
|
2375 %! 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
|
2376 %! 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
|
2377 %! 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
|
2378 %! 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
|
2379 %! 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
|
2380 %! 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
|
2381 %! 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
|
2382 %! 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
|
2383 %! 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
|
2384 %! 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
|
2385 #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
|
2386 |
21625 | 2387 /* |
2388 ## Test input validation | |
2389 %!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
|
2390 %!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
|
2391 %!error <file id must be> textscan ({4}) |
21625 | 2392 %!error <must be a string> textscan ("Hello World", 2) |
2393 %!error <at most one character or> | |
2394 %! textscan ("Hello World", "%s", "EndOfLine", 3); | |
2395 %!error <'%z' is not a valid format specifier> textscan ("1.0", "%z") | |
2396 %!error <no valid format conversion specifiers> textscan ("1.0", "foo") | |
2397 */ | |
2398 | |
2116 | 2399 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
|
2400 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
|
2401 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
|
2402 const octave_value& arch_arg, octave_idx_type& count) |
2116 | 2403 { |
2404 count = -1; | |
2405 | |
20703
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2406 Array<double> size = size_arg.xvector_value ("fread: invalid SIZE specified"); |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2407 |
85e5efae848a
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John W. Eaton <jwe@octave.org>
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20700
diff
changeset
|
2408 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
|
2409 |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2410 int block_size = 1; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2411 oct_data_conv::data_type input_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2412 oct_data_conv::data_type output_type; |
85e5efae848a
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John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2413 |
20741
a5ab31b52ae8
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parents:
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diff
changeset
|
2414 try |
2116 | 2415 { |
20741
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2416 oct_data_conv::string_to_data_type (prec, block_size, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2417 input_type, output_type); |
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2418 } |
29961
7d6709900da7
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John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2419 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2420 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2421 error (ee, "fread: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2422 } |
4944 | 2423 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2424 int skip = 0; |
3202 | 2425 |
20741
a5ab31b52ae8
eliminate more uses of error_state
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parents:
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diff
changeset
|
2426 try |
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2427 { |
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2428 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2429 } |
29961
7d6709900da7
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John W. Eaton <jwe@octave.org>
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29958
diff
changeset
|
2430 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
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parents:
20713
diff
changeset
|
2431 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2432 error (ee, "fread: SKIP must be an integer"); |
20741
a5ab31b52ae8
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parents:
20713
diff
changeset
|
2433 } |
2116 | 2434 |
20741
a5ab31b52ae8
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2435 std::string arch = arch_arg.xstring_value ("fread: ARCH architecture type must be a string"); |
2116 | 2436 |
29961
7d6709900da7
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parents:
29958
diff
changeset
|
2437 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
|
2438 = mach_info::string_to_float_format (arch); |
20741
a5ab31b52ae8
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parents:
20713
diff
changeset
|
2439 |
a5ab31b52ae8
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20713
diff
changeset
|
2440 return os.read (size, block_size, input_type, output_type, skip, |
a5ab31b52ae8
eliminate more uses of error_state
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parents:
20713
diff
changeset
|
2441 flt_fmt, count); |
2116 | 2442 } |
2443 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2444 DEFMETHOD (fread, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2445 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
|
2446 @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
|
2447 @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
|
2448 @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
|
2449 @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
|
2450 @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
|
2451 @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
|
2452 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
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2453 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2454 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
|
2455 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
|
2456 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2457 @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
|
2458 @item Inf |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2459 Read as much as possible, returning a column vector. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2460 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2461 @item @var{nr} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2462 Read up to @var{nr} elements, returning a column vector. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2463 |
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 [@var{nr}, Inf] |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2465 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
|
2466 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
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2467 column is padded with zeros. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2468 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2469 @item [@var{nr}, @var{nc}] |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2470 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>
parents:
21942
diff
changeset
|
2471 @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
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2472 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>
parents:
21942
diff
changeset
|
2473 @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
|
2474 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2475 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2476 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
|
2477 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2478 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
|
2479 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
|
2480 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2481 @table @asis |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2482 @item @qcode{"uint8"} (default) |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2483 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
|
2484 |
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{"int8"} |
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*1"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2487 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
|
2488 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2489 @item @qcode{"uint16"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2490 @itemx @qcode{"ushort"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2491 @itemx @qcode{"unsigned short"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2492 16-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2493 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2494 @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
|
2495 @itemx @qcode{"integer*2"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2496 @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
|
2497 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
|
2498 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2499 @item @qcode{"uint"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2500 @itemx @qcode{"uint32"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2501 @itemx @qcode{"unsigned int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2502 @itemx @qcode{"ulong"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2503 @itemx @qcode{"unsigned long"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2504 32-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2505 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2506 @item @qcode{"int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2507 @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
|
2508 @itemx @qcode{"integer*4"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2509 @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
|
2510 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
|
2511 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2512 @item @qcode{"uint64"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2513 64-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2514 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2515 @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
|
2516 @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
|
2517 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
|
2518 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2519 @item @qcode{"single"} |
23949
58435a400d4e
Document that fread 'float' size is 32 bits (bug #41672).
Rik <rik@octave.org>
parents:
23924
diff
changeset
|
2520 @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
|
2521 @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
|
2522 @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
|
2523 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
|
2524 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2525 @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
|
2526 @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
|
2527 @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
|
2528 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
|
2529 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2530 @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
|
2531 @itemx @qcode{"char*1"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2532 8-bit single character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2533 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2534 @item @qcode{"uchar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2535 @itemx @qcode{"unsigned char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2536 8-bit unsigned character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2537 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2538 @item @qcode{"schar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2539 @itemx @qcode{"signed char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2540 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
|
2541 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2542 @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
|
2543 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2544 @noindent |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2545 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
|
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 @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
|
2548 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
|
2549 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
|
2550 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
|
2551 |
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 @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
|
2553 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
|
2554 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
|
2555 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
|
2556 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
|
2557 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2558 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>
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diff
changeset
|
2559 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:
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diff
changeset
|
2560 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:
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diff
changeset
|
2561 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:
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diff
changeset
|
2562 precision values. |
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
|
2563 |
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
|
2564 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
|
2565 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
|
2566 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
|
2567 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:
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diff
changeset
|
2568 |
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
|
2569 @example |
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
|
2570 fread (f, 10, "3*single=>single", 8) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2571 @end example |
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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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diff
changeset
|
2572 |
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
|
2573 @noindent |
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
|
2574 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
|
2575 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:
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diff
changeset
|
2576 |
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
|
2577 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:
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diff
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|
2578 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:
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diff
changeset
|
2579 |
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
|
2580 @table @asis |
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
|
2581 @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>
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diff
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|
2582 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:
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diff
changeset
|
2583 |
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
|
2584 @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:
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diff
changeset
|
2585 IEEE big endian. |
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
|
2586 |
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
|
2587 @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>
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diff
changeset
|
2588 IEEE little endian. |
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
|
2589 @end table |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2590 |
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
|
2591 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
|
2592 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>
parents:
21942
diff
changeset
|
2593 @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
changeset
|
2594 |
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
|
2595 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>
parents:
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changeset
|
2596 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2597 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>
parents:
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diff
changeset
|
2598 @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>
parents:
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diff
changeset
|
2599 @end deftypefn */) |
529 | 2600 { |
2116 | 2601 int nargin = args.length (); |
2602 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2603 if (nargin < 1 || nargin > 5) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2604 print_usage (); |
2116 | 2605 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2606 stream_list& streams = interp.get_stream_list (); |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2607 |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2608 stream os = streams.lookup (args(0), "fread"); |
2116 | 2609 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2610 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
|
2611 octave_value prec = "uint8"; |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2612 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2613 octave_value arch = "unknown"; |
2116 | 2614 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2615 int idx = 1; |
2116 | 2616 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2617 if (nargin > idx && ! args(idx).is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2618 size = args(idx++); |
2116 | 2619 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2620 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2621 prec = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2622 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2623 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2624 skip = args(idx++); |
4257 | 2625 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2626 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2627 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2628 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2629 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2630 arch = skip; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2631 skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2632 } |
2116 | 2633 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2634 octave_idx_type count = -1; |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20457
diff
changeset
|
2635 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2636 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>
parents:
20785
diff
changeset
|
2637 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2638 return ovl (tmp, count); |
529 | 2639 } |
2640 | |
2116 | 2641 static int |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2642 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
|
2643 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
|
2644 const octave_value& arch_arg) |
2116 | 2645 { |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20687
diff
changeset
|
2646 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
|
2647 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2648 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
|
2649 oct_data_conv::data_type output_type; |
2116 | 2650 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2651 try |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2652 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2653 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>
parents:
20713
diff
changeset
|
2654 } |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2655 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2656 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2657 error (ee, "fwrite: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2658 } |
2116 | 2659 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2660 int skip = 0; |
3202 | 2661 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2662 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2663 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2664 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
|
2665 } |
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
|
2666 catch (execution_exception& ee) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2667 { |
29163
8f67ad8b3103
maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents:
29117
diff
changeset
|
2668 error (ee, "fwrite: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2669 } |
2116 | 2670 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2671 std::string arch = arch_arg.xstring_value ("fwrite: ARCH architecture type must be a string"); |
2116 | 2672 |
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
|
2673 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
|
2674 = 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
|
2675 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2676 return os.write (data, block_size, output_type, skip, flt_fmt); |
2116 | 2677 } |
2678 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2679 DEFMETHOD (fwrite, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2680 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
|
2681 @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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21942
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changeset
|
2682 @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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21942
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changeset
|
2683 @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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21942
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changeset
|
2684 @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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21942
diff
changeset
|
2685 @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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21942
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changeset
|
2686 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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21942
diff
changeset
|
2687 @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>
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21942
diff
changeset
|
2688 to the file. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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2689 |
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2690 The argument @var{data} is a matrix of values that are to be written to |
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2691 the file. The values are extracted in column-major order. |
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2692 |
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2693 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are |
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2694 optional, and are interpreted as described for @code{fread}. |
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|
2695 |
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|
2696 The behavior of @code{fwrite} is undefined if the values in @var{data} |
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2697 are too large to fit in the specified precision. |
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move docstrings in C++ files out of C strings and into comments
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2698 @seealso{fread, fputs, fprintf, fopen} |
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|
2699 @end deftypefn */) |
1181 | 2700 { |
2116 | 2701 int nargin = args.length (); |
2702 | |
20805
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2703 if (nargin < 2 || nargin > 5) |
5823 | 2704 print_usage (); |
2116 | 2705 |
29961
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|
2706 stream_list& streams = interp.get_stream_list (); |
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|
2707 |
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
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|
2708 stream os = streams.lookup (args(0), "fwrite"); |
20805
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eliminate return statements after calls to print_usage
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changeset
|
2709 |
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|
2710 octave_value prec = "uchar"; |
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eliminate return statements after calls to print_usage
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|
2711 octave_value skip = 0; |
2d6ddb2b157c
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|
2712 octave_value arch = "unknown"; |
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|
2713 |
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changeset
|
2714 int idx = 1; |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2715 |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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diff
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|
2716 octave_value data = args(idx++); |
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|
2717 |
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|
2718 if (nargin > idx) |
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|
2719 prec = args(idx++); |
2d6ddb2b157c
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|
2720 |
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|
2721 if (nargin > idx) |
2d6ddb2b157c
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|
2722 skip = args(idx++); |
2d6ddb2b157c
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|
2723 |
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|
2724 if (nargin > idx) |
2d6ddb2b157c
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|
2725 arch = args(idx++); |
2d6ddb2b157c
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|
2726 else if (skip.is_string ()) |
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|
2727 { |
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|
2728 arch = skip; |
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|
2729 skip = 0; |
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|
2730 } |
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|
2731 |
21127
df7891224709
maint: Use "return ovl (...)" in DEFUN macros.
Rik <rik@octave.org>
parents:
21126
diff
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|
2732 return ovl (do_fwrite (os, data, prec, skip, arch)); |
1181 | 2733 } |
2734 | |
23738
8acd390d16c9
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|
2735 DEFMETHODX ("feof", Ffeof, interp, args, , |
8acd390d16c9
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|
2736 doc: /* -*- texinfo -*- |
21966
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2737 @deftypefn {} {@var{status} =} feof (@var{fid}) |
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2738 Return 1 if an end-of-file condition has been encountered for the file |
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2739 specified by file descriptor @var{fid} and 0 otherwise. |
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|
2740 |
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|
2741 Note that @code{feof} will only return 1 if the end of the file has already |
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|
2742 been encountered, not if the next read operation will result in an |
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|
2743 end-of-file condition. |
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2744 @seealso{fread, frewind, fseek, fclear, fopen} |
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|
2745 @end deftypefn */) |
529 | 2746 { |
20805
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2747 if (args.length () != 1) |
5823 | 2748 print_usage (); |
444 | 2749 |
29961
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|
2750 stream_list& streams = interp.get_stream_list (); |
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|
2751 |
7d6709900da7
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|
2752 stream os = streams.lookup (args(0), "feof"); |
20805
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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|
2753 |
21127
df7891224709
maint: Use "return ovl (...)" in DEFUN macros.
Rik <rik@octave.org>
parents:
21126
diff
changeset
|
2754 return ovl (os.eof () ? 1.0 : 0.0); |
444 | 2755 } |
2756 | |
23738
8acd390d16c9
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|
2757 DEFMETHODX ("ferror", Fferror, interp, args, , |
8acd390d16c9
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|
2758 doc: /* -*- texinfo -*- |
21966
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|
2759 @deftypefn {} {@var{msg} =} ferror (@var{fid}) |
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|
2760 @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
|
2761 @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
|
2762 Query the error status of the stream specified by file descriptor @var{fid}. |
21966
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|
2763 |
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|
2764 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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|
2765 error. Otherwise, return an empty string @qcode{""}. |
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|
2766 |
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|
2767 The second input @qcode{"clear"} is optional. If supplied, the error |
112b20240c87
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|
2768 state on the stream will be cleared. |
112b20240c87
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|
2769 |
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|
2770 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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|
2771 @var{err} is 1 if an error condition has been encountered and 0 otherwise. |
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|
2772 |
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|
2773 Note that @code{ferror} indicates if an error has already occurred, not |
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|
2774 whether the next operation will result in an error condition. |
112b20240c87
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2775 @seealso{fclear, fopen} |
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|
2776 @end deftypefn */) |
1230 | 2777 { |
2095 | 2778 int nargin = args.length (); |
1230 | 2779 |
20805
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|
2780 if (nargin < 1 || nargin > 2) |
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John W. Eaton <jwe@octave.org>
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|
2781 print_usage (); |
1230 | 2782 |
29961
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|
2783 stream_list& streams = interp.get_stream_list (); |
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2784 |
7d6709900da7
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|
2785 stream os = streams.lookup (args(0), "ferror"); |
1230 | 2786 |
20805
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eliminate return statements after calls to print_usage
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|
2787 bool clear = false; |
2095 | 2788 |
20805
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|
2789 if (nargin == 2) |
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|
2790 { |
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changeset
|
2791 std::string opt = args(1).string_value (); |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
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20457
diff
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|
2792 |
20805
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|
2793 clear = (opt == "clear"); |
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2794 } |
1755 | 2795 |
20805
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|
2796 int error_number = 0; |
1230 | 2797 |
20805
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|
2798 std::string error_message = os.error (clear, error_number); |
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|
2799 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2800 return ovl (error_message, error_number); |
1230 | 2801 } |
2802 | |
23738
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|
2803 DEFMETHODX ("popen", Fpopen, interp, args, , |
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|
2804 doc: /* -*- texinfo -*- |
21966
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|
2805 @deftypefn {} {@var{fid} =} popen (@var{command}, @var{mode}) |
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2806 Start a process and create a pipe. |
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2807 |
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|
2808 The name of the command to run is given by @var{command}. The argument |
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|
2809 @var{mode} may be |
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|
2810 |
22720
766b0163b3b7
doc: Don't create @tables of type @code with @qcode entries.
Rik <rik@octave.org>
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22511
diff
changeset
|
2811 @table @asis |
21966
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2812 @item @qcode{"r"} |
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2813 The pipe will be connected to the standard output of the process, and |
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2814 open for reading. |
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2815 |
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|
2816 @item @qcode{"w"} |
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|
2817 The pipe will be connected to the standard input of the process, and |
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2818 open for writing. |
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|
2819 @end table |
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changeset
|
2820 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2821 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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diff
changeset
|
2822 process is returned in @var{fid}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2823 |
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
|
2824 For example: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2825 |
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
|
2826 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2827 @group |
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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|
2828 fid = popen ("ls -ltr / | tail -3", "r"); |
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
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|
2829 while (ischar (s = fgets (fid))) |
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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|
2830 fputs (stdout, s); |
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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|
2831 endwhile |
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
|
2832 |
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
|
2833 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc |
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
|
2834 @print{} drwxr-xr-x 3 root root 1024 Feb 15 13:28 lib |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
2835 @print{} drwxrwxrwt 15 root root 2048 Feb 17 14:53 tmp |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2836 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2837 @end example |
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move docstrings in C++ files out of C strings and into comments
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|
2838 @seealso{popen2} |
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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|
2839 @end deftypefn */) |
1230 | 2840 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
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|
2841 if (args.length () != 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2842 print_usage (); |
1230 | 2843 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2844 std::string name = args(0).xstring_value ("popen: COMMAND must be a string"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2845 std::string mode = args(1).xstring_value ("popen: MODE must be a string"); |
1230 | 2846 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2847 octave_value retval; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2848 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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changeset
|
2849 stream_list& streams = interp.get_stream_list (); |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
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changeset
|
2850 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2851 if (mode == "r") |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2852 { |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2853 stream ips = octave_iprocstream::create (name); |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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22837
diff
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|
2854 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2855 retval = streams.insert (ips); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2856 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2857 else if (mode == "w") |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2858 { |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
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|
2859 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
|
2860 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2861 retval = streams.insert (ops); |
2095 | 2862 } |
1230 | 2863 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2864 error ("popen: invalid MODE specified"); |
1230 | 2865 |
2866 return retval; | |
2867 } | |
2868 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2869 DEFMETHODX ("pclose", Fpclose, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
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changeset
|
2870 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2871 @deftypefn {} {} pclose (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2872 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>
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diff
changeset
|
2873 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
2874 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
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diff
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|
2875 @seealso{fclose, popen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2876 @end deftypefn */) |
1230 | 2877 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2878 if (args.length () != 1) |
5823 | 2879 print_usage (); |
1379 | 2880 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2881 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
|
2882 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2883 return ovl (streams.remove (args(0), "pclose")); |
1379 | 2884 } |
2885 | |
19278
6ca096827123
Use tempname() rather than tmpnam() in core Octave.
Rik <rik@octave.org>
parents:
19268
diff
changeset
|
2886 DEFUN (tempname, args, , |
21966
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
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|
2887 doc: /* -*- texinfo -*- |
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
|
2888 @deftypefn {} {@var{fname} =} tempname () |
112b20240c87
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John W. Eaton <jwe@octave.org>
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changeset
|
2889 @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>
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diff
changeset
|
2890 @deftypefnx {} {@var{fname} =} tempname (@var{dir}, @var{prefix}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2891 Return a unique temporary filename as a string. |
112b20240c87
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2892 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2893 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>
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diff
changeset
|
2894 |
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
|
2895 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>
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diff
changeset
|
2896 (@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
|
2897 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
|
2898 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2899 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:
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diff
changeset
|
2900 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
|
2901 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
|
2902 @pxref{XREFtmpfile,,@code{tmpfile}}. |
21966
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
|
2903 @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:
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diff
changeset
|
2904 @end deftypefn */) |
1802 | 2905 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2906 int nargin = args.length (); |
2936 | 2907 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2908 if (nargin > 2) |
5823 | 2909 print_usage (); |
1802 | 2910 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2911 std::string dir; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2912 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2913 if (nargin > 0) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2914 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
|
2915 else |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2916 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
|
2917 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2918 std::string pfx ("oct-"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2919 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2920 if (nargin > 1) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2921 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>
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20785
diff
changeset
|
2922 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
2923 return ovl (sys::tempnam (dir, pfx)); |
1802 | 2924 } |
2925 | |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2926 /* |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2927 %!test |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2928 %! envvar = {"TMPDIR", "TMP"}; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2929 %! 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
|
2930 %! unwind_protect |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2931 %! 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
|
2932 %! envname = "TMPDIR"; |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2933 %! def_tmpdir = P_tmpdir; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2934 %! ## 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
|
2935 %! 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
|
2936 %! def_tmpdir(end) = []; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2937 %! endwhile |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2938 %! |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2939 %! ## 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
|
2940 %! fname = tempname (); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2941 %! [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
|
2942 %! 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
|
2943 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2944 %! ## 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
|
2945 %! 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
|
2946 %! 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
|
2947 %! 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
|
2948 %! fname = tempname (tmp_tmpdir); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2949 %! [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
|
2950 %! 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
|
2951 %! 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
|
2952 %! ## 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
|
2953 %! fname = tempname (""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2954 %! [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
|
2955 %! 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
|
2956 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2957 %! ## 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
|
2958 %! fname = tempname (tmp_tmpdir, "pfx-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2959 %! [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
|
2960 %! 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
|
2961 %! 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
|
2962 %! ## 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
|
2963 %! fname = tempname (tmp_tmpdir, ""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2964 %! [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
|
2965 %! 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
|
2966 %! 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
|
2967 %! 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
|
2968 %! 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
|
2969 %! 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
|
2970 %! if (isempty (envdir{i})) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2971 %! unsetenv (envvar{i}); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2972 %! else |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2973 %! 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
|
2974 %! endif |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2975 %! endfor |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2976 %! 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
|
2977 */ |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2978 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2979 DEFMETHOD (tmpfile, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2980 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
|
2981 @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
|
2982 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
|
2983 name. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2984 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2985 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
|
2986 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
|
2987 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2988 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
|
2989 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
|
2990 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
|
2991 @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
|
2992 @end deftypefn */) |
4326 | 2993 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2994 if (args.length () != 0) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2995 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2996 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2997 octave_value_list retval; |
4326 | 2998 |
21991
80659e58609f
provide wrapper for tmpfile (bug #48337)
John W. Eaton <jwe@octave.org>
parents:
21966
diff
changeset
|
2999 FILE *fid = octave_tmpfile_wrapper (); |
4326 | 3000 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3001 if (fid) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3002 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3003 std::string nm; |
4326 | 3004 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3005 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b"); |
4326 | 3006 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3007 stream s = stdiostream::create (nm, fid, md); |
4326 | 3008 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3009 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
|
3010 { |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
3011 fclose (fid); |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
3012 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3013 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
|
3014 } |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3015 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3016 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
|
3017 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3018 retval = ovl (streams.insert (s), ""); |
4326 | 3019 } |
3020 else | |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
3021 retval = ovl (-1, std::strerror (errno)); |
4326 | 3022 |
3023 return retval; | |
3024 } | |
3025 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3026 DEFMETHOD (mkstemp, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3027 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
|
3028 @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
|
3029 @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
|
3030 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
|
3031 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
|
3032 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3033 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
|
3034 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
|
3035 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
|
3036 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
|
3037 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
|
3038 @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
|
3039 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3040 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
|
3041 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
|
3042 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3043 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
|
3044 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
|
3045 @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
|
3046 message. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3047 @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
|
3048 @end deftypefn */) |
4326 | 3049 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3050 int nargin = args.length (); |
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 if (nargin < 1 || nargin > 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3053 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3054 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3055 std::string tmpl8 = args(0).xstring_value ("mkstemp: TEMPLATE argument must be a string"); |
4326 | 3056 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3057 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
|
3058 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3059 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
|
3060 strcpy (tmp, tmpl8.c_str ()); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3061 |
21888
00f1249f2483
create wrappers for some gnulib functions
John W. Eaton <jwe@octave.org>
parents:
21852
diff
changeset
|
3062 int fd = octave_mkostemp_wrapper (tmp); |
4326 | 3063 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3064 if (fd < 0) |
4326 | 3065 { |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3066 retval(0) = fd; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
3067 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
|
3068 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3069 else |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3070 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3071 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
|
3072 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3073 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
|
3074 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3075 if (! fid) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3076 { |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3077 retval(0) = -1; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
3078 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
|
3079 } |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3080 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3081 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3082 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
|
3083 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3084 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
|
3085 |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3086 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
|
3087 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3088 if (! s) |
29991
3988112c7116
move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
29961
diff
changeset
|
3089 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
|
3090 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3091 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
|
3092 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3093 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
|
3094 retval(1) = nm; |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3095 |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3096 if (nargin == 2 && args(1).is_true ()) |
27542
b8aa62c1deb5
eliminate global tmp_files variable
John W. Eaton <jwe@octave.org>
parents:
27424
diff
changeset
|
3097 interp.mark_for_deletion (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
3098 } |
4326 | 3099 } |
3100 | |
3101 return retval; | |
3102 } | |
3103 | |
20200
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
3104 // 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
|
3105 // Maybe change to be a general utility routine. |
1400 | 3106 static int |
3107 convert (int x, int ibase, int obase) | |
3108 { | |
3109 int retval = 0; | |
3110 | |
3111 int tmp = x % obase; | |
3112 | |
3113 if (tmp > ibase - 1) | |
20428
7ac907da9fba
Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents:
20200
diff
changeset
|
3114 error ("umask: invalid digit"); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3115 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3116 retval = tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3117 int mult = ibase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3118 while ((x = (x - tmp) / obase)) |
1400 | 3119 { |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3120 tmp = x % obase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3121 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3122 if (tmp > ibase - 1) |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3123 error ("umask: invalid digit"); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3124 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3125 retval += mult * tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3126 mult *= ibase; |
1400 | 3127 } |
3128 | |
3129 return retval; | |
3130 } | |
3131 | |
10197
4d433bd2d4dc
attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
3132 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
|
3133 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
|
3134 @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
|
3135 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
|
3136 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3137 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
|
3138 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3139 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
|
3140 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
|
3141 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3142 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
|
3143 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
|
3144 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
|
3145 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
|
3146 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
|
3147 @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
|
3148 @end deftypefn */) |
1400 | 3149 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3150 if (args.length () != 1) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3151 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3152 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3153 int mask = args(0).xint_value ("umask: MASK must be an integer"); |
1400 | 3154 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3155 if (mask < 0) |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3156 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
|
3157 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3158 int oct_mask = convert (mask, 8, 10); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3159 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3160 int status = convert (sys::umask (oct_mask), 10, 8); |
1400 | 3161 |
3162 if (status >= 0) | |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3163 return ovl (status); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3164 else |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
3165 return ovl (); |
1400 | 3166 } |
3167 | |
5749 | 3168 static octave_value |
6483 | 3169 const_value (const char *, const octave_value_list& args, int val) |
2189 | 3170 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3171 if (args.length () != 0) |
5823 | 3172 print_usage (); |
5749 | 3173 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3174 return octave_value (val); |
5749 | 3175 } |
3176 | |
3177 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
|
3178 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
|
3179 @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
|
3180 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
|
3181 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
|
3182 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3183 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
|
3184 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
|
3185 @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
|
3186 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
|
3187 @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
|
3188 @end deftypefn */) |
5749 | 3189 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3190 if (args.length () != 0) |
5823 | 3191 print_usage (); |
5749 | 3192 |
29961
7d6709900da7
eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents:
29958
diff
changeset
|
3193 return ovl (get_P_tmpdir ()); |
5749 | 3194 } |
2341 | 3195 |
5749 | 3196 // 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
|
3197 // this way for Matlab compatibility. |
5749 | 3198 |
3199 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
|
3200 doc: /* -*- texinfo -*- |
25032
a1e391e33004
doc: grammarcheck documentation again ahead of 4.4 release.
Rik <rik@octave.org>
parents:
25005
diff
changeset
|
3201 @deftypefn {} {} SEEK_SET () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3202 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
|
3203 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
|
3204 @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
|
3205 @end deftypefn */) |
5749 | 3206 { |
3207 return const_value ("SEEK_SET", args, -1); | |
3208 } | |
2189 | 3209 |
5749 | 3210 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
|
3211 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
|
3212 @deftypefn {} {} SEEK_CUR () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3213 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
|
3214 relative to the current position. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3215 @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
|
3216 @end deftypefn */) |
5749 | 3217 { |
3218 return const_value ("SEEK_CUR", args, 0); | |
3219 } | |
2189 | 3220 |
5749 | 3221 DEFUNX ("SEEK_END", FSEEK_END, args, , |
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3222 doc: /* -*- texinfo -*- |
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3223 @deftypefn {} {} SEEK_END () |
25005
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doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
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3224 Return the numerical value to pass to @code{fseek} to position the file pointer |
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3225 relative to the end of the file. |
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3226 @seealso{SEEK_SET, SEEK_CUR, fseek} |
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3227 @end deftypefn */) |
5749 | 3228 { |
3229 return const_value ("SEEK_END", args, 1); | |
3230 } | |
3231 | |
3232 static octave_value | |
6483 | 3233 const_value (const char *, const octave_value_list& args, |
10315
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3234 const octave_value& val) |
5749 | 3235 { |
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3236 if (args.length () != 0) |
5823 | 3237 print_usage (); |
5749 | 3238 |
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3239 return octave_value (val); |
5749 | 3240 } |
3241 | |
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3242 DEFMETHODX ("stdin", Fstdin, interp, args, , |
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3243 doc: /* -*- texinfo -*- |
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3244 @deftypefn {} {} stdin () |
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3245 Return the numeric value corresponding to the standard input stream. |
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3246 |
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3247 When Octave is used interactively, stdin is filtered through the command |
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3248 line editing functions. |
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3249 @seealso{stdout, stderr} |
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3250 @end deftypefn */) |
5749 | 3251 { |
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3252 stream_list& streams = interp.get_stream_list (); |
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3253 |
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3254 return const_value ("stdin", args, streams.stdin_file ()); |
5749 | 3255 } |
2189 | 3256 |
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3257 DEFMETHODX ("stdout", Fstdout, interp, args, , |
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3258 doc: /* -*- texinfo -*- |
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3259 @deftypefn {} {} stdout () |
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3260 Return the numeric value corresponding to the standard output stream. |
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3261 |
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3262 Data written to the standard output may be filtered through the pager. |
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3263 @seealso{stdin, stderr, page_screen_output} |
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3264 @end deftypefn */) |
5749 | 3265 { |
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3266 stream_list& streams = interp.get_stream_list (); |
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3267 |
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3268 return const_value ("stdout", args, streams.stdout_file ()); |
5749 | 3269 } |
2189 | 3270 |
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3271 DEFMETHODX ("stderr", Fstderr, interp, args, , |
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3272 doc: /* -*- texinfo -*- |
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3273 @deftypefn {} {} stderr () |
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3274 Return the numeric value corresponding to the standard error stream. |
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3275 |
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3276 Even if paging is turned on, the standard error is not sent to the pager. |
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3277 It is useful for error messages and prompts. |
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3278 @seealso{stdin, stdout} |
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3279 @end deftypefn */) |
5749 | 3280 { |
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3281 stream_list& streams = interp.get_stream_list (); |
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3282 |
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3283 return const_value ("stderr", args, streams.stderr_file ()); |
2189 | 3284 } |
27542
b8aa62c1deb5
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3285 |
29999
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3286 OCTAVE_NAMESPACE_END |