Mercurial > octave
annotate libinterp/corefcn/file-io.cc @ 27957:c20b7290c778
merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 17 Jan 2020 13:27:27 -0600 |
parents | b018f553fd85 2310164737b3 |
children | 118606de9359 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1993-2020 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 "mkostemp-wrapper.h" |
6159 | 60 #include "oct-env.h" |
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61 #include "oct-locbuf.h" |
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62 #include "tmpfile-wrapper.h" |
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63 #include "unistd-wrappers.h" |
2926 | 64 |
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65 #include "builtin-defun-decls.h" |
1352 | 66 #include "defun.h" |
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67 #include "error.h" |
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68 #include "errwarn.h" |
6108 | 69 #include "file-io.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 static void |
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87 normalize_fopen_mode (std::string& mode, bool& use_zlib) |
1 | 88 { |
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89 use_zlib = false; |
896 | 90 |
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91 if (! mode.empty ()) |
368 | 92 { |
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93 // Matlab uses 'A' and 'W' to indicate that buffered writing should |
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94 // take place. Octave already does that. Theoretically, we should |
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95 // warn about using 'a', 'r', or 'w' because Octave does not enable |
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96 // automatic flushing with these modes. The performance hit is ~4X |
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97 // when using automatic flushing and seems completely unnecessary. |
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98 // See bug #52644. |
7078 | 99 |
100 size_t pos = mode.find ('W'); | |
101 | |
8021 | 102 if (pos != std::string::npos) |
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103 mode[pos] = 'w'; |
7078 | 104 |
105 pos = mode.find ('R'); | |
106 | |
8021 | 107 if (pos != std::string::npos) |
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108 mode[pos] = 'r'; |
7078 | 109 |
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110 pos = mode.find ('A'); |
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111 |
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112 if (pos != std::string::npos) |
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113 mode[pos] = 'a'; |
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114 |
7078 | 115 pos = mode.find ('z'); |
5325 | 116 |
8021 | 117 if (pos != std::string::npos) |
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118 { |
5325 | 119 #if defined (HAVE_ZLIB) |
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120 use_zlib = true; |
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121 mode.erase (pos, 1); |
5325 | 122 #else |
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123 err_disabled_feature ("", "gzipped files (zlib)"); |
5325 | 124 #endif |
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125 } |
5325 | 126 |
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127 // Use binary mode if 't' is not specified, but don't add |
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128 // 'b' if it is already present. |
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129 |
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130 size_t bpos = mode.find ('b'); |
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131 size_t tpos = mode.find ('t'); |
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132 |
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133 if (bpos == std::string::npos && tpos == std::string::npos) |
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134 mode += 'b'; |
1 | 135 } |
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136 } |
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137 |
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138 static std::ios::openmode |
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139 fopen_mode_to_ios_mode (const std::string& mode) |
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140 { |
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141 std::ios::openmode retval = std::ios::in; |
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142 |
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143 if (mode == "rt") |
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144 retval = std::ios::in; |
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145 else if (mode == "wt") |
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146 retval = std::ios::out | std::ios::trunc; |
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147 else if (mode == "at") |
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148 retval = std::ios::out | std::ios::app; |
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149 else if (mode == "r+t" || mode == "rt+") |
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150 retval = std::ios::in | std::ios::out; |
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151 else if (mode == "w+t" || mode == "wt+") |
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152 retval = std::ios::in | std::ios::out | std::ios::trunc; |
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153 else if (mode == "a+t" || mode == "at+") |
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154 retval = std::ios::in | std::ios::out | std::ios::app; |
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155 else if (mode == "rb" || mode == "r") |
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156 retval = std::ios::in | std::ios::binary; |
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157 else if (mode == "wb" || mode == "w") |
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158 retval = std::ios::out | std::ios::trunc | std::ios::binary; |
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159 else if (mode == "ab" || mode == "a") |
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160 retval = std::ios::out | std::ios::app | std::ios::binary; |
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161 else if (mode == "r+b" || mode == "rb+" || mode == "r+") |
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162 retval = std::ios::in | std::ios::out | std::ios::binary; |
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163 else if (mode == "w+b" || mode == "wb+" || mode == "w+") |
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164 retval = (std::ios::in | std::ios::out | std::ios::trunc |
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165 | std::ios::binary); |
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166 else if (mode == "a+b" || mode == "ab+" || mode == "a+") |
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167 retval = (std::ios::in | std::ios::out | std::ios::app |
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168 | std::ios::binary); |
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169 else |
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170 error ("invalid mode specified"); |
1 | 171 |
172 return retval; | |
173 } | |
174 | |
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175 DEFMETHOD (fclose, interp, args, , |
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176 doc: /* -*- texinfo -*- |
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177 @deftypefn {} {} fclose (@var{fid}) |
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178 @deftypefnx {} {} fclose ("all") |
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179 @deftypefnx {} {@var{status} =} fclose ("all") |
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180 Close the file specified by the file descriptor @var{fid}. |
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181 |
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182 If successful, @code{fclose} returns 0, otherwise, it returns -1. The |
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183 second form of the @code{fclose} call closes all open files except |
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184 @code{stdin}, @code{stdout}, @code{stderr}, and any FIDs associated |
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185 with gnuplot. |
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186 @seealso{fopen, fflush, freport} |
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187 @end deftypefn */) |
529 | 188 { |
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189 if (args.length () != 1) |
5823 | 190 print_usage (); |
1 | 191 |
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192 octave::stream_list& streams = interp.get_stream_list (); |
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193 |
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194 return ovl (streams.remove (args(0), "fclose")); |
1 | 195 } |
196 | |
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197 DEFMETHOD (fclear, interp, args, , |
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198 doc: /* -*- texinfo -*- |
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199 @deftypefn {} {} fclear (@var{fid}) |
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200 Clear the stream state for the file specified by the file descriptor |
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201 @var{fid}. |
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202 @seealso{ferror, fopen} |
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203 @end deftypefn */) |
5144 | 204 { |
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205 if (args.length () != 1) |
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206 print_usage (); |
5144 | 207 |
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208 octave::stream_list& streams = interp.get_stream_list (); |
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209 |
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210 int fid = streams.get_file_number (args(0)); |
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211 |
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212 octave::stream os = streams.lookup (fid, "fclear"); |
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213 |
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214 os.clearerr (); |
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216 return ovl (); |
5144 | 217 } |
218 | |
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219 DEFMETHOD (fflush, interp, args, , |
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220 doc: /* -*- texinfo -*- |
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221 @deftypefn {} {} fflush (@var{fid}) |
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222 Flush output to file descriptor @var{fid}. |
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223 |
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224 @code{fflush} returns 0 on success and an OS dependent error value |
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225 (@minus{}1 on Unix) on error. |
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226 |
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227 Programming Note: Flushing is useful for ensuring that all pending output |
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228 makes it to the screen before some other event occurs. For example, it is |
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229 always a good idea to flush the standard output stream before calling |
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230 @code{input}. |
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231 @seealso{fopen, fclose} |
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232 @end deftypefn */) |
1181 | 233 { |
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234 if (args.length () != 1) |
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235 print_usage (); |
1181 | 236 |
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237 octave_value retval = -1; |
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238 |
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239 octave::stream_list& streams = interp.get_stream_list (); |
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240 |
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241 // FIXME: any way to avoid special case for stdout? |
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242 int fid = streams.get_file_number (args(0)); |
2095 | 243 |
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244 if (fid == 1) |
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245 { |
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246 octave::flush_stdout (); |
2609 | 247 |
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248 retval = 0; |
2095 | 249 } |
250 else | |
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251 { |
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252 octave::stream os = streams.lookup (fid, "fflush"); |
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253 |
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254 retval = os.flush (); |
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255 } |
1181 | 256 |
257 return retval; | |
258 } | |
259 | |
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260 DEFMETHOD (fgetl, interp, args, , |
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261 doc: /* -*- texinfo -*- |
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262 @deftypefn {} {@var{str} =} fgetl (@var{fid}) |
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263 @deftypefnx {} {@var{str} =} fgetl (@var{fid}, @var{len}) |
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264 Read characters from a file, stopping after a newline, or EOF, |
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265 or @var{len} characters have been read. |
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266 |
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267 The characters read, excluding the possible trailing newline, are returned |
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268 as a string. |
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269 |
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270 If @var{len} is omitted, @code{fgetl} reads until the next newline |
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271 character. |
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272 |
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273 If there are no more characters to read, @code{fgetl} returns @minus{}1. |
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274 |
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275 To read a line and return the terminating newline see @code{fgets}. |
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276 @seealso{fgets, fscanf, fread, fopen} |
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277 @end deftypefn */) |
1339 | 278 { |
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279 static const std::string who = "fgetl"; |
4468 | 280 |
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281 int nargin = args.length (); |
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282 |
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283 if (nargin < 1 || nargin > 2) |
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284 print_usage (); |
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285 |
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286 octave::stream_list& streams = interp.get_stream_list (); |
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287 |
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288 octave::stream os = streams.lookup (args(0), who); |
1339 | 289 |
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290 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
2095 | 291 |
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292 bool err = false; |
2095 | 293 |
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294 std::string tmp = os.getl (len_arg, err, who); |
2095 | 295 |
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296 if (! err) |
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297 return ovl (tmp, tmp.length ()); |
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298 else |
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299 return ovl (-1, 0); |
1339 | 300 } |
301 | |
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302 DEFMETHOD (fgets, interp, args, , |
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303 doc: /* -*- texinfo -*- |
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304 @deftypefn {} {@var{str} =} fgets (@var{fid}) |
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305 @deftypefnx {} {@var{str} =} fgets (@var{fid}, @var{len}) |
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306 Read characters from a file, stopping after a newline, or EOF, |
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307 or @var{len} characters have been read. |
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308 |
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309 The characters read, including the possible trailing newline, are returned |
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310 as a string. |
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311 |
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312 If @var{len} is omitted, @code{fgets} reads until the next newline |
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313 character. |
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314 |
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315 If there are no more characters to read, @code{fgets} returns @minus{}1. |
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316 |
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317 To read a line and discard the terminating newline see @code{fgetl}. |
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318 @seealso{fputs, fgetl, fscanf, fread, fopen} |
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319 @end deftypefn */) |
529 | 320 { |
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321 static const std::string who = "fgets"; |
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323 int nargin = args.length (); |
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324 |
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325 if (nargin < 1 || nargin > 2) |
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326 print_usage (); |
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327 |
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328 octave::stream_list& streams = interp.get_stream_list (); |
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329 |
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330 octave::stream os = streams.lookup (args(0), who); |
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332 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
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334 bool err = false; |
2095 | 335 |
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336 std::string tmp = os.gets (len_arg, err, who); |
2095 | 337 |
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338 if (! err) |
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339 return ovl (tmp, tmp.length ()); |
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340 else |
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341 return ovl (-1.0, 0.0); |
529 | 342 } |
343 | |
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344 DEFMETHOD (fskipl, interp, args, , |
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345 doc: /* -*- texinfo -*- |
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346 @deftypefn {} {@var{nlines} =} fskipl (@var{fid}) |
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347 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, @var{count}) |
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348 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, Inf) |
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349 Read and skip @var{count} lines from the file specified by the file |
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350 descriptor @var{fid}. |
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351 |
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352 @code{fskipl} discards characters until an end-of-line is encountered |
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353 exactly @var{count}-times, or until the end-of-file marker is found. |
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354 |
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355 If @var{count} is omitted, it defaults to 1. @var{count} may also be |
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356 @code{Inf}, in which case lines are skipped until the end of the file. |
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357 This form is suitable for counting the number of lines in a file. |
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358 |
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359 Returns the number of lines skipped (end-of-line sequences encountered). |
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360 @seealso{fgetl, fgets, fscanf, fopen} |
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361 @end deftypefn */) |
9701 | 362 { |
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363 static const std::string who = "fskipl"; |
9701 | 364 |
365 int nargin = args.length (); | |
366 | |
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367 if (nargin < 1 || nargin > 2) |
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368 print_usage (); |
9701 | 369 |
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370 octave::stream_list& streams = interp.get_stream_list (); |
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371 |
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372 octave::stream os = streams.lookup (args(0), who); |
9701 | 373 |
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374 octave_value count_arg = (nargin == 2) ? args(1) : octave_value (); |
9701 | 375 |
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376 bool err = false; |
9701 | 377 |
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378 off_t tmp = os.skipl (count_arg, err, who); |
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379 |
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380 if (! err) |
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381 return ovl (tmp); |
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382 else |
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383 return ovl (); |
9701 | 384 } |
385 | |
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386 static octave::stream |
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387 do_stream_open (const std::string& name, const std::string& mode_arg, |
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388 const std::string& arch, std::string encoding, int& fid) |
1 | 389 { |
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390 octave::stream retval; |
1 | 391 |
2095 | 392 fid = -1; |
1 | 393 |
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394 // Valid names for encodings consist of ASCII characters only. |
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395 std::transform (encoding.begin (), encoding.end (), encoding.begin (), |
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396 ::tolower); |
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397 if (encoding.compare ("utf-8")) |
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398 { |
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399 // check if encoding is valid |
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400 void *codec = octave_iconv_open_wrapper (encoding.c_str (), "utf-8"); |
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401 if (codec == reinterpret_cast<void *> (-1)) |
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402 { |
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403 if (errno == EINVAL) |
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404 error ("fopen: conversion from codepage '%s' not supported", |
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405 encoding.c_str ()); |
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406 } |
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407 else |
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408 octave_iconv_close_wrapper (codec); |
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409 } |
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410 |
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411 std::string mode = mode_arg; |
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412 bool use_zlib = false; |
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413 normalize_fopen_mode (mode, use_zlib); |
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414 |
4036 | 415 std::ios::openmode md = fopen_mode_to_ios_mode (mode); |
1 | 416 |
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417 octave::mach_info::float_format flt_fmt |
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418 = octave::mach_info::string_to_float_format (arch); |
1 | 419 |
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420 std::string fname = octave::sys::file_ops::tilde_expand (name); |
6159 | 421 |
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422 octave::sys::file_stat fs (fname); |
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423 |
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424 if (! (md & std::ios::out)) |
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425 fname = octave::find_data_file_in_load_path ("fopen", fname); |
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426 |
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427 if (! fs.is_dir ()) |
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428 { |
6905 | 429 #if defined (HAVE_ZLIB) |
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430 if (use_zlib) |
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431 { |
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432 FILE *fptr = octave::sys::fopen (fname.c_str (), mode.c_str ()); |
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433 |
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434 if (fptr) |
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435 { |
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436 int fd = fileno (fptr); |
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437 |
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438 gzFile gzf = ::gzdopen (fd, mode.c_str ()); |
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439 |
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440 retval = octave_zstdiostream::create (fname, gzf, fd, md, |
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441 flt_fmt, encoding); |
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442 } |
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443 else |
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444 retval.error (std::strerror (errno)); |
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445 } |
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446 else |
5325 | 447 #endif |
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448 { |
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449 FILE *fptr = octave::sys::fopen (fname.c_str (), mode.c_str ()); |
5370 | 450 |
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451 retval = octave_stdiostream::create (fname, fptr, md, flt_fmt, |
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452 encoding); |
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453 |
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454 if (! fptr) |
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455 retval.error (std::strerror (errno)); |
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456 } |
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457 |
1 | 458 } |
459 | |
2095 | 460 return retval; |
461 } | |
1 | 462 |
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463 static octave::stream |
2095 | 464 do_stream_open (const octave_value& tc_name, const octave_value& tc_mode, |
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465 const octave_value& tc_arch, const octave_value& tc_encoding, |
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466 const char *fcn, int& fid) |
2095 | 467 { |
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468 octave::stream retval; |
2095 | 469 |
470 fid = -1; | |
471 | |
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472 std::string name = tc_name.xstring_value ("%s: filename must be a string", fcn); |
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473 std::string mode = tc_mode.xstring_value ("%s: file mode must be a string", fcn); |
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474 std::string arch = tc_arch.xstring_value ("%s: architecture type must be a string", fcn); |
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475 std::string encoding = tc_encoding.xstring_value ("%s: ENCODING must be a string", fcn); |
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476 |
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477 retval = do_stream_open (name, mode, arch, encoding, fid); |
1 | 478 |
479 return retval; | |
480 } | |
481 | |
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482 DEFMETHOD (fopen, interp, args, nargout, |
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483 doc: /* -*- texinfo -*- |
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484 @deftypefn {} {@var{fid} =} fopen (@var{name}) |
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485 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}) |
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486 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}) |
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487 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}, @var{encoding}) |
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488 @deftypefnx {} {[@var{fid}, @var{msg}] =} fopen (@dots{}) |
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489 @deftypefnx {} {@var{fid_list} =} fopen ("all") |
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490 @deftypefnx {} {[@var{file}, @var{mode}, @var{arch}, @var{encoding}] =} fopen (@var{fid}) |
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491 Open a file for low-level I/O or query open files and file descriptors. |
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492 |
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493 The first form of the @code{fopen} function opens the named file with |
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494 the specified mode (read-write, read-only, etc.@:), architecture |
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495 interpretation (IEEE big endian, IEEE little endian, etc.@:) and file encoding, |
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496 and returns an integer value that may be used to refer to the file later. If |
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497 an error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the |
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498 corresponding system error message. The @var{mode} is a one or two |
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499 character string that specifies whether the file is to be opened for |
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500 reading, writing, or both. The @var{encoding} is a character string with a |
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501 valid code page identifier. This code page is used when strings are read from |
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502 or written to the file. |
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503 |
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504 The second form of the @code{fopen} function returns a vector of file ids |
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505 corresponding to all the currently open files, excluding the |
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506 @code{stdin}, @code{stdout}, and @code{stderr} streams. |
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507 |
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508 The third form of the @code{fopen} function returns information about the |
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509 open file given its file id. |
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510 |
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511 For example, |
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512 |
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513 @example |
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514 myfile = fopen ("splat.dat", "r", "ieee-le"); |
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515 @end example |
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516 |
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517 @noindent |
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518 opens the file @file{splat.dat} for reading. If necessary, binary |
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519 numeric values will be read assuming they are stored in IEEE format with |
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520 the least significant bit first, and then converted to the native |
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521 representation. |
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522 |
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523 Opening a file that is already open simply opens it again and returns a |
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524 separate file id. It is not an error to open a file several times, |
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525 though writing to the same file through several different file ids may |
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526 produce unexpected results. |
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527 |
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528 The possible values of @var{mode} are |
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529 |
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530 @table @asis |
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531 @item @samp{r} (default) |
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532 Open a file for reading. |
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533 |
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534 @item @samp{w} |
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535 Open a file for writing. The previous contents are discarded. |
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536 |
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537 @item @samp{a} |
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538 Open or create a file for writing at the end of the file. |
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539 |
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540 @item @samp{r+} |
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541 Open an existing file for reading and writing. |
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542 |
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543 @item @samp{w+} |
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544 Open a file for reading or writing. The previous contents are |
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545 discarded. |
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546 |
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547 @item @samp{a+} |
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548 Open or create a file for reading or writing at the end of the |
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549 file. |
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550 @end table |
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551 |
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552 Append a @qcode{"t"} to the mode string to open the file in text mode or a |
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553 @qcode{"b"} to open in binary mode. On Windows systems, |
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554 text mode reading and writing automatically converts linefeeds to the |
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555 appropriate line end character for the system (carriage-return linefeed on |
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556 Windows). The default when no mode is specified is binary. |
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557 |
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558 Additionally, you may append a @qcode{"z"} to the mode string to open a |
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559 gzipped file for reading or writing. For this to be successful, you |
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560 must also open the file in binary mode. |
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561 |
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562 The parameter @var{arch} is a string specifying the default data format |
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563 for the file. Valid values for @var{arch} are: |
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564 |
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565 @table @asis |
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566 @item @qcode{"native"} or @qcode{"n"} (default) |
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567 The format of the current machine. |
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568 |
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569 @item @qcode{"ieee-be"} or @qcode{"b"} |
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570 IEEE big endian format. |
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571 |
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572 @item @qcode{"ieee-le"} or @qcode{"l"} |
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573 IEEE little endian format. |
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574 @end table |
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575 |
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576 When opening a new file that does not yet exist, permissions will be set to |
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577 @code{0666 - @var{umask}}. |
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578 |
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579 Compatibility Note: Octave opens files using buffered I/O. Small writes are |
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580 accumulated until an internal buffer is filled, and then everything is written |
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581 in a single operation. This is very efficient and improves performance. |
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582 @sc{matlab}, however, opens files using flushed I/O where every write operation |
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583 is immediately performed. If the write operation must be performed immediately |
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584 after data has been written then the write should be followed by a call to |
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585 @code{fflush} to flush the internal buffer. |
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586 @seealso{fclose, fgets, fgetl, fscanf, fread, fputs, fdisp, fprintf, fwrite, fskipl, fseek, frewind, ftell, feof, ferror, fclear, fflush, freport, umask} |
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587 @end deftypefn */) |
529 | 588 { |
589 int nargin = args.length (); | |
590 | |
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591 if (nargin < 1 || nargin > 4) |
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592 print_usage (); |
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593 |
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594 octave_value_list retval = ovl (-1.0); |
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595 |
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596 octave::stream_list& streams = interp.get_stream_list (); |
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597 |
2095 | 598 if (nargin == 1) |
599 { | |
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600 if (args(0).is_string ()) |
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601 { |
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602 // If there is only one argument and it is a string but it |
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603 // is not the string "all", we assume it is a file to open |
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604 // with MODE = "r". To open a file called "all", you have |
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605 // to supply more than one argument. |
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606 if (nargout < 2 && args(0).string_value () == "all") |
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607 return streams.open_file_numbers (); |
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608 } |
2095 | 609 else |
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610 { |
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611 string_vector tmp = streams.get_info (args(0)); |
529 | 612 |
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613 retval = ovl (tmp(0), tmp(1), tmp(2), tmp(3)); |
3263 | 614 |
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615 return retval; |
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616 } |
1 | 617 } |
618 | |
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619 octave_value mode = (nargin > 1) ? args(1) : octave_value ("r"); |
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620 |
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621 octave_value arch = (nargin > 2) ? args(2) : octave_value ("native"); |
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622 |
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623 octave_value encoding = (nargin > 3) ? args(3) : octave_value ("utf-8"); |
2095 | 624 |
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625 int fid = -1; |
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626 |
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627 octave::stream os = do_stream_open (args(0), mode, arch, encoding, "fopen", |
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628 fid); |
5370 | 629 |
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630 if (os) |
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631 retval = ovl (streams.insert (os), ""); |
2095 | 632 else |
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633 { |
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634 int error_number = 0; |
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635 |
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636 retval = ovl (-1.0, os.error (false, error_number)); |
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637 } |
1 | 638 |
639 return retval; | |
640 } | |
641 | |
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642 /* |
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643 ## Further tests are in io.tst |
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644 %!test # Uses hardcoded value of 1 for stdout |
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645 %! [name, mode, arch, encoding] = fopen (1); |
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646 %! assert (name, "stdout"); |
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647 %! assert (mode, "w"); |
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648 %! assert (encoding, "utf-8"); |
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649 |
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650 %!test # Query of non-existent stream returns all "" |
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651 %! [name, mode, arch] = fopen (-1); |
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652 %! assert (name, ""); |
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653 %! assert (mode, ""); |
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654 %! assert (arch, ""); |
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655 */ |
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656 |
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657 DEFMETHOD (freport, interp, args, , |
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658 doc: /* -*- texinfo -*- |
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659 @deftypefn {} {} freport () |
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660 Print a list of which files have been opened, and whether they are open |
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661 for reading, writing, or both. |
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662 |
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663 For example: |
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664 |
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665 @example |
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666 @group |
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667 freport () |
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668 |
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669 @print{} number mode arch name |
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670 @print{} ------ ---- ---- ---- |
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671 @print{} 0 r ieee-le stdin |
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672 @print{} 1 w ieee-le stdout |
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673 @print{} 2 w ieee-le stderr |
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674 @print{} 3 r ieee-le myfile |
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675 @end group |
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676 @end example |
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677 @seealso{fopen, fclose, is_valid_file_id} |
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678 @end deftypefn */) |
1181 | 679 { |
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680 if (args.length () > 0) |
1181 | 681 warning ("freport: ignoring extra arguments"); |
682 | |
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683 octave::stream_list& streams = interp.get_stream_list (); |
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684 |
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685 octave_stdout << streams.list_open_files (); |
1181 | 686 |
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687 return ovl (); |
1181 | 688 } |
689 | |
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690 DEFMETHOD (frewind, interp, args, nargout, |
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691 doc: /* -*- texinfo -*- |
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692 @deftypefn {} {} frewind (@var{fid}) |
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693 @deftypefnx {} {@var{status} =} frewind (@var{fid}) |
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694 Move the file pointer to the beginning of the file specified by file |
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695 descriptor @var{fid}. |
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696 |
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697 @code{frewind} returns 0 for success, and -1 if an error is encountered. It |
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698 is equivalent to @code{fseek (@var{fid}, 0, SEEK_SET)}. |
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699 @seealso{fseek, ftell, fopen} |
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700 @end deftypefn */) |
529 | 701 { |
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702 if (args.length () != 1) |
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703 print_usage (); |
506 | 704 |
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705 int result = -1; |
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706 |
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707 octave::stream_list& streams = interp.get_stream_list (); |
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708 |
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709 octave::stream os = streams.lookup (args(0), "frewind"); |
636 | 710 |
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711 result = os.rewind (); |
1 | 712 |
4715 | 713 if (nargout > 0) |
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714 return ovl (result); |
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715 else |
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716 return ovl (); |
1 | 717 } |
718 | |
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719 DEFMETHOD (fseek, interp, args, , |
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720 doc: /* -*- texinfo -*- |
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721 @deftypefn {} {} fseek (@var{fid}, @var{offset}) |
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722 @deftypefnx {} {} fseek (@var{fid}, @var{offset}, @var{origin}) |
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723 @deftypefnx {} {@var{status} =} fseek (@dots{}) |
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724 Set the file pointer to the location @var{offset} within the file @var{fid}. |
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725 |
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726 The pointer is positioned @var{offset} characters from the @var{origin}, which |
25454
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727 may be one of the predefined variables @w{@qcode{SEEK_SET}} (beginning), |
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728 @w{@qcode{SEEK_CUR}} (current position), or @w{@qcode{SEEK_END}} (end of file) |
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729 or strings @nospell{@qcode{"bof"}}, @nospell{@qcode{"cof"}}, or |
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730 @nospell{@qcode{"eof"}}. If @var{origin} is omitted, @w{@qcode{SEEK_SET}} is |
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731 assumed. @var{offset} may be positive, negative, or zero but not all |
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732 combinations of @var{origin} and @var{offset} can be realized. |
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733 |
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734 @code{fseek} returns 0 on success and -1 on error. |
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735 @seealso{fskipl, frewind, ftell, fopen, SEEK_SET, SEEK_CUR, SEEK_END} |
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736 @end deftypefn */) |
529 | 737 { |
738 int nargin = args.length (); | |
739 | |
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740 if (nargin < 2 || nargin > 3) |
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741 print_usage (); |
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742 |
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743 octave::stream_list& streams = interp.get_stream_list (); |
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744 |
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745 octave::stream os = streams.lookup (args(0), "fseek"); |
1181 | 746 |
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747 octave_value origin_arg = (nargin == 3) ? args(2) : octave_value (-1.0); |
1 | 748 |
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749 return ovl (os.seek (args(1), origin_arg)); |
1 | 750 } |
751 | |
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752 DEFMETHOD (ftell, interp, args, , |
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753 doc: /* -*- texinfo -*- |
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754 @deftypefn {} {@var{pos} =} ftell (@var{fid}) |
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755 Return the position of the file pointer as the number of characters from the |
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756 beginning of the file specified by file descriptor @var{fid}. |
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757 @seealso{fseek, frewind, feof, fopen} |
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758 @end deftypefn */) |
1181 | 759 { |
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760 if (args.length () != 1) |
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761 print_usage (); |
506 | 762 |
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763 octave::stream_list& streams = interp.get_stream_list (); |
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764 |
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765 octave::stream os = streams.lookup (args(0), "ftell"); |
1 | 766 |
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767 return ovl (os.tell ()); |
1 | 768 } |
769 | |
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770 static octave_value_list |
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771 printf_internal (octave::interpreter& interp, const std::string& who, |
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772 const octave_value_list& args, int nargout) |
1181 | 773 { |
774 int nargin = args.length (); | |
775 | |
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776 if (! (nargin > 1 || (nargin > 0 && args(0).is_string ()))) |
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777 print_usage (); |
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778 |
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779 int result; |
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780 |
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781 octave::stream os; |
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782 int fmt_n = 0; |
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783 |
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784 octave::stream_list& streams = interp.get_stream_list (); |
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785 |
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786 if (args(0).is_string ()) |
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787 os = streams.lookup (1, who); |
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788 else |
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789 { |
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790 fmt_n = 1; |
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791 os = streams.lookup (args(0), who); |
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792 } |
2873 | 793 |
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794 if (! args(fmt_n).is_string ()) |
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795 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
1181 | 796 |
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797 octave_value_list tmp_args; |
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798 |
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799 if (nargin > 1 + fmt_n) |
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800 { |
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801 tmp_args.resize (nargin-fmt_n-1, octave_value ()); |
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802 |
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803 for (int i = fmt_n + 1; i < nargin; i++) |
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804 tmp_args(i-fmt_n-1) = args(i); |
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805 } |
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806 |
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807 result = os.printf (args(fmt_n), tmp_args, who); |
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808 |
4715 | 809 if (nargout > 0) |
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810 return ovl (result); |
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811 else |
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812 return ovl (); |
1181 | 813 } |
814 | |
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815 DEFMETHOD (fprintf, interp, args, nargout, |
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816 doc: /* -*- texinfo -*- |
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817 @deftypefn {} {} fprintf (@var{fid}, @var{template}, @dots{}) |
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818 @deftypefnx {} {} fprintf (@var{template}, @dots{}) |
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819 @deftypefnx {} {@var{numbytes} =} fprintf (@dots{}) |
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820 This function is equivalent to @code{printf}, except that the output is |
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821 written to the file descriptor @var{fid} instead of @code{stdout}. |
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822 |
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823 If @var{fid} is omitted, the output is written to @code{stdout} making the |
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824 function exactly equivalent to @code{printf}. |
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825 |
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826 The optional output returns the number of bytes written to the file. |
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827 |
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828 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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829 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
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830 expanded even when the template string is defined with single quotes. |
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831 @seealso{fputs, fdisp, fwrite, fscanf, printf, sprintf, fopen} |
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832 @end deftypefn */) |
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833 { |
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834 static const std::string who = "fprintf"; |
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835 |
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836 return printf_internal (interp, who, args, nargout); |
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837 } |
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838 |
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839 DEFMETHOD (printf, interp, args, nargout, |
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840 doc: /* -*- texinfo -*- |
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841 @deftypefn {} {} printf (@var{template}, @dots{}) |
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842 Print optional arguments under the control of the template string |
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843 @var{template} to the stream @code{stdout} and return the number of |
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844 characters printed. |
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845 @ifclear OCTAVE_MANUAL |
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846 |
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847 See the Formatted Output section of the GNU Octave manual for a |
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848 complete description of the syntax of the template string. |
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849 @end ifclear |
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850 |
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851 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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852 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
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853 expanded even when the template string is defined with single quotes. |
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854 @seealso{fprintf, sprintf, scanf} |
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855 @end deftypefn */) |
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856 { |
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857 static const std::string who = "printf"; |
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858 |
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859 octave_value_list tmp_args = args; |
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860 |
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861 return printf_internal (interp, who, tmp_args.prepend (octave_value (1)), |
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862 nargout); |
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863 } |
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864 |
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865 static octave_value_list |
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866 puts_internal (octave::interpreter& interp, const std::string& who, |
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867 const octave_value_list& args) |
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868 { |
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869 if (args.length () != 2) |
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870 print_usage (); |
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871 |
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872 octave::stream_list& streams = interp.get_stream_list (); |
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873 |
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874 octave::stream os = streams.lookup (args(0), who); |
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875 |
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876 return ovl (os.puts (args(1), who)); |
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877 } |
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878 |
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879 DEFMETHOD (fputs, interp, args, , |
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880 doc: /* -*- texinfo -*- |
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881 @deftypefn {} {} fputs (@var{fid}, @var{string}) |
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882 @deftypefnx {} {@var{status} =} fputs (@var{fid}, @var{string}) |
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883 Write the string @var{string} to the file with file descriptor @var{fid}. |
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884 |
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885 The string is written to the file with no additional formatting. Use |
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886 @code{fdisp} instead to automatically append a newline character appropriate |
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887 for the local machine. |
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888 |
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889 Return a non-negative number on success or EOF on error. |
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890 @seealso{fdisp, fprintf, fwrite, fopen} |
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891 @end deftypefn */) |
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892 { |
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893 static const std::string who = "fputs"; |
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894 |
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895 return puts_internal (interp, who, args); |
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896 } |
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897 |
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898 DEFMETHOD (puts, interp, args, , |
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899 doc: /* -*- texinfo -*- |
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900 @deftypefn {} {} puts (@var{string}) |
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901 @deftypefnx {} {@var{status} =} puts (@var{string}) |
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902 Write a string to the standard output with no formatting. |
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903 |
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904 The string is written verbatim to the standard output. Use @code{disp} to |
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905 automatically append a newline character appropriate for the local machine. |
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906 |
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907 Return a non-negative number on success and EOF on error. |
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908 @seealso{fputs, disp} |
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909 @end deftypefn */) |
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910 { |
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911 static const std::string who = "puts"; |
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912 |
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913 octave_value_list tmp_args = args; |
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914 |
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915 return puts_internal (interp, who, tmp_args.prepend (octave_value (1))); |
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916 } |
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917 |
2095 | 918 DEFUN (sprintf, args, , |
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919 doc: /* -*- texinfo -*- |
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920 @deftypefn {} {} sprintf (@var{template}, @dots{}) |
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921 This is like @code{printf}, except that the output is returned as a |
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922 string. |
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923 |
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924 Unlike the C library function, which requires you to provide a suitably |
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925 sized string as an argument, Octave's @code{sprintf} function returns the |
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926 string, automatically sized to hold all of the items converted. |
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927 |
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928 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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929 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
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930 expanded even when the template string is defined with single quotes. |
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931 @seealso{printf, fprintf, sscanf} |
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932 @end deftypefn */) |
1 | 933 { |
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934 static const std::string who = "sprintf"; |
4468 | 935 |
2095 | 936 int nargin = args.length (); |
1 | 937 |
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938 if (nargin == 0) |
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939 print_usage (); |
2116 | 940 |
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941 // We don't use octave_ostrstream::create here because need direct |
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avoid some duplicate code in file-io functions
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|
942 // access to the OSTR object so that we can extract a string object |
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|
943 // from it to return. |
20805
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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944 octave_ostrstream *ostr = new octave_ostrstream (); |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
945 |
23059
b98ebcd7f11c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
946 // The octave::stream destructor will delete OSTR for us. |
b98ebcd7f11c
move some octave stream classes into octave namespace
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diff
changeset
|
947 octave::stream os (ostr); |
628 | 948 |
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8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
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diff
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|
949 if (! os.is_valid ()) |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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diff
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|
950 error ("%s: unable to create output buffer", who.c_str ()); |
1 | 951 |
20898
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Rik <rik@octave.org>
parents:
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diff
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|
952 octave_value fmt_arg = args(0); |
1 | 953 |
20898
8da80da1ac37
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Rik <rik@octave.org>
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diff
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|
954 if (! fmt_arg.is_string ()) |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
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diff
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|
955 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
628 | 956 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
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parents:
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diff
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|
957 octave_value_list retval (3); |
19727
3c3b9fce7d2b
improve compatibility of sprintf function.
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
958 |
20898
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|
959 octave_value_list tmp_args; |
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|
960 if (nargin > 1) |
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diff
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|
961 { |
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|
962 tmp_args.resize (nargin-1, octave_value ()); |
19727
3c3b9fce7d2b
improve compatibility of sprintf function.
John W. Eaton <jwe@octave.org>
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diff
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|
963 |
20898
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changeset
|
964 for (int i = 1; i < nargin; i++) |
8da80da1ac37
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|
965 tmp_args(i-1) = args(i); |
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maint: Use ovl() more places in the code.
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|
966 } |
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2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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|
967 |
20898
8da80da1ac37
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|
968 // NOTE: Call to os.error must precede next call to ostr which might reset it. |
8da80da1ac37
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|
969 retval(2) = os.printf (fmt_arg, tmp_args, who); |
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|
970 retval(1) = os.error (); |
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|
971 |
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Rik <rik@octave.org>
parents:
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|
972 std::string result = ostr->str (); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23220
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973 char type = (fmt_arg.is_sq_string () ? '\'' : '"'); |
20898
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|
974 |
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975 retval(0) = (result.empty () ? octave_value (charMatrix (1, 0), type) |
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976 : octave_value (result, type)); |
1 | 977 |
978 return retval; | |
979 } | |
980 | |
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981 static octave_value_list |
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982 scanf_internal (octave::interpreter& interp, const std::string& who, |
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983 const octave_value_list& args) |
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984 { |
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985 int nargin = args.length (); |
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986 |
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987 if (nargin < 2 || nargin > 3) |
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988 print_usage (); |
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989 |
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990 octave_value_list retval; |
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991 |
23738
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992 octave::stream_list& streams = interp.get_stream_list (); |
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993 |
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994 octave::stream os = streams.lookup (args(0), who); |
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995 |
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996 if (! args(1).is_string ()) |
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997 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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998 |
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999 if (nargin == 3 && args(2).is_string ()) |
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1000 { |
23924
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|
1001 retval = os.oscanf (args(1), who); |
23737
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1002 } |
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1003 else |
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1004 { |
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1005 octave_idx_type count = 0; |
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1006 |
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1007 Array<double> size |
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1008 = (nargin == 3 |
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1009 ? args(2).vector_value () |
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1010 : Array<double> (dim_vector (1, 1), lo_ieee_inf_value ())); |
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1011 |
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1012 octave_value tmp = os.scanf (args(1), size, count, who); |
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1013 |
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1014 retval = ovl (tmp, count, os.error ()); |
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1015 } |
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1016 |
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1017 return retval; |
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1018 } |
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1019 |
23738
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1020 DEFMETHOD (fscanf, interp, args, , |
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1021 doc: /* -*- texinfo -*- |
21966
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1022 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size}) |
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1023 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, "C") |
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1024 In the first form, read from @var{fid} according to @var{template}, |
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1025 returning the result in the matrix @var{val}. |
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1026 |
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1027 The optional argument @var{size} specifies the amount of data to read |
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1028 and may be one of |
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1029 |
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1030 @table @code |
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1031 @item Inf |
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1032 Read as much as possible, returning a column vector. |
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1033 |
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1034 @item @var{nr} |
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1035 Read up to @var{nr} elements, returning a column vector. |
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1036 |
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1037 @item [@var{nr}, Inf] |
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1038 Read as much as possible, returning a matrix with @var{nr} rows. If the |
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1039 number of elements read is not an exact multiple of @var{nr}, the last |
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1040 column is padded with zeros. |
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1041 |
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1042 @item [@var{nr}, @var{nc}] |
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1043 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with |
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1044 @var{nr} rows. If the number of elements read is not an exact multiple |
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1045 of @var{nr}, the last column is padded with zeros. |
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1046 @end table |
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1047 |
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1048 @noindent |
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1049 If @var{size} is omitted, a value of @code{Inf} is assumed. |
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1050 |
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1051 A string is returned if @var{template} specifies only character conversions. |
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1052 |
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1053 The number of items successfully read is returned in @var{count}. |
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1054 |
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1055 If an error occurs, @var{errmsg} contains a system-dependent error message. |
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1056 |
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1057 In the second form, read from @var{fid} according to @var{template}, |
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1058 with each conversion specifier in @var{template} corresponding to a |
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1059 single scalar return value. This form is more ``C-like'', and also |
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1060 compatible with previous versions of Octave. The number of successful |
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1061 conversions is returned in @var{count} |
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1062 @ifclear OCTAVE_MANUAL |
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1063 |
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1064 See the Formatted Input section of the GNU Octave manual for a |
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1065 complete description of the syntax of the template string. |
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1066 @end ifclear |
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1067 @seealso{fgets, fgetl, fread, scanf, sscanf, fopen} |
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1068 @end deftypefn */) |
1181 | 1069 { |
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1070 static const std::string who = "fscanf"; |
4468 | 1071 |
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1072 return scanf_internal (interp, who, args); |
1181 | 1073 } |
1074 | |
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1075 static std::string |
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1076 get_scan_string_data (const octave_value& val, const std::string& who) |
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1077 { |
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1078 std::string retval; |
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1079 |
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1080 if (! val.is_string ()) |
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1081 error ("%s: argument STRING must be a string", who.c_str ()); |
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1082 |
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1083 octave_value tmp = val.reshape (dim_vector (1, val.numel ())); |
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1084 |
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1085 retval = tmp.string_value (); |
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1086 |
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1087 return retval; |
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1088 } |
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1089 |
2095 | 1090 DEFUN (sscanf, args, , |
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1091 doc: /* -*- texinfo -*- |
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1092 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size}) |
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1093 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} sscanf (@var{string}, @var{template}, "C") |
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1094 This is like @code{fscanf}, except that the characters are taken from the |
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1095 string @var{string} instead of from a stream. |
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1096 |
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1097 Reaching the end of the string is treated as an end-of-file condition. In |
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1098 addition to the values returned by @code{fscanf}, the index of the next |
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1099 character to be read is returned in @var{pos}. |
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1100 @seealso{fscanf, scanf, sprintf} |
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1101 @end deftypefn */) |
444 | 1102 { |
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1103 static const std::string who = "sscanf"; |
4468 | 1104 |
506 | 1105 int nargin = args.length (); |
1106 | |
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1107 if (nargin < 2 || nargin > 3) |
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1108 print_usage (); |
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1109 |
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1110 octave_value_list retval; |
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1111 |
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1112 std::string data = get_scan_string_data (args(0), who); |
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1113 |
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1114 octave::stream os = octave_istrstream::create (data); |
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1115 |
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1116 if (! os.is_valid ()) |
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1117 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1118 |
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1119 if (! args(1).is_string ()) |
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1120 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1121 |
2215 | 1122 if (nargin == 3 && args(2).is_string ()) |
2095 | 1123 { |
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1124 retval = os.oscanf (args(1), who); |
444 | 1125 } |
1126 else | |
2215 | 1127 { |
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1128 octave_idx_type count = 0; |
2215 | 1129 |
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1130 Array<double> size = (nargin == 3) ? args(2).vector_value () |
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1131 : Array<double> (dim_vector (1, 1), |
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1132 lo_ieee_inf_value ()); |
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1133 |
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1134 octave_value tmp = os.scanf (args(1), size, count, who); |
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1135 |
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1136 // FIXME: is this the right thing to do? |
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1137 // Extract error message first, because getting |
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1138 // position will clear it. |
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1139 std::string errmsg = os.error (); |
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1140 |
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1141 retval = ovl (tmp, count, errmsg, |
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1142 (os.eof () ? data.length () : os.tell ()) + 1); |
2215 | 1143 } |
444 | 1144 |
1145 return retval; | |
1146 } | |
1147 | |
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1148 /* |
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1149 %!test <*56396> |
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1150 %! [val, count, errmsg, nextpos] = sscanf ('1234a6', '%2d', 3); |
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1151 %! assert (val, [12; 34]); |
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1152 %! assert (count, 2); |
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1153 %! assert (errmsg, "sscanf: format failed to match"); |
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1154 %! assert (nextpos, 5); |
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1155 */ |
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1156 |
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1157 DEFMETHOD (scanf, interp, args, , |
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1158 doc: /* -*- texinfo -*- |
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|
1159 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size}) |
24466
746081e3cbdd
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|
1160 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} scanf (@var{template}, "C") |
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1161 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}. |
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1162 |
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1163 It is currently not useful to call @code{scanf} in interactive programs. |
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1164 @seealso{fscanf, sscanf, printf} |
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1165 @end deftypefn */) |
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1166 { |
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1167 static const std::string who = "scanf"; |
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1168 |
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1169 octave_value_list tmp_args = args; |
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1170 |
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1171 return scanf_internal (interp, who, tmp_args.prepend (octave_value (0))); |
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1172 } |
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1173 |
21504 | 1174 static octave_value_list |
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1175 textscan_internal (octave::interpreter& interp, const std::string& who, |
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1176 const octave_value_list& args) |
21504 | 1177 { |
1178 if (args.length () < 1) | |
1179 print_usage (who); | |
1180 | |
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1181 octave::stream os; |
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1182 |
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1183 if (args(0).is_string ()) |
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1184 { |
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1185 std::string data = get_scan_string_data (args(0), who); |
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1186 |
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1187 os = octave_istrstream::create (data); |
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1188 |
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1189 if (! os.is_valid ()) |
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1190 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1191 } |
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1192 else |
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1193 { |
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1194 octave::stream_list& streams = interp.get_stream_list (); |
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1195 |
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1196 os = streams.lookup (args(0), who); |
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1197 } |
21504 | 1198 |
1199 int nskip = 1; | |
1200 | |
1201 std::string fmt; | |
1202 | |
1203 if (args.length () == 1) | |
1204 { | |
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1205 // omitted format = %f. explicit "" = width from file |
21504 | 1206 fmt = "%f"; |
1207 } | |
1208 else if (args(1).is_string ()) | |
1209 { | |
1210 fmt = args(1).string_value (); | |
1211 | |
1212 if (args(1).is_sq_string ()) | |
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1213 fmt = octave::do_string_escapes (fmt); |
21504 | 1214 |
1215 nskip++; | |
1216 } | |
1217 else | |
1218 error ("%s: FORMAT must be a string", who.c_str ()); | |
1219 | |
1220 octave_idx_type ntimes = -1; | |
1221 | |
1222 if (args.length () > 2) | |
1223 { | |
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1224 if (args(2).isnumeric ()) |
21504 | 1225 { |
1226 ntimes = args(2).idx_type_value (); | |
1227 | |
1228 if (ntimes < args(2).double_value ()) | |
1229 error ("%s: REPEAT = %g is too large", | |
1230 who.c_str (), args(2).double_value ()); | |
1231 | |
1232 nskip++; | |
1233 } | |
1234 } | |
1235 | |
1236 octave_value_list options = args.splice (0, nskip); | |
1237 | |
1238 octave_idx_type count = 0; | |
1239 | |
1240 octave_value result = os.textscan (fmt, ntimes, options, who, count); | |
1241 | |
1242 std::string errmsg = os.error (); | |
1243 | |
1244 return ovl (result, count, errmsg); | |
1245 } | |
1246 | |
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1247 DEFMETHOD (textscan, interp, args, , |
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1248 doc: /* -*- texinfo -*- |
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1249 @deftypefn {} {@var{C} =} textscan (@var{fid}, @var{format}) |
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1250 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}) |
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1251 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{param}, @var{value}, @dots{}) |
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1252 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}, @var{param}, @var{value}, @dots{}) |
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1253 @deftypefnx {} {@var{C} =} textscan (@var{str}, @dots{}) |
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1254 @deftypefnx {} {[@var{C}, @var{position}, @var{errmsg}] =} textscan (@dots{}) |
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1255 Read data from a text file or string. |
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1256 |
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1257 The string @var{str} or file associated with @var{fid} is read from and |
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1258 parsed according to @var{format}. The function is an extension of |
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1259 @code{strread} and @code{textread}. Differences include: the ability to |
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1260 read from either a file or a string, additional options, and additional |
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1261 format specifiers. |
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1262 |
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1263 The input is interpreted as a sequence of words, delimiters (such as |
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1264 whitespace), and literals. The characters that form delimiters and |
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1265 whitespace are determined by the options. The format consists of format |
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1266 specifiers interspersed between literals. In the format, whitespace forms |
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1267 a delimiter between consecutive literals, but is otherwise ignored. |
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1268 |
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1269 The output @var{C} is a cell array where the number of columns is determined |
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1270 by the number of format specifiers. |
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1271 |
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1272 The first word of the input is matched to the first specifier of the format |
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1273 and placed in the first column of the output; the second is matched to the |
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1274 second specifier and placed in the second column and so forth. If there |
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1275 are more words than specifiers then the process is repeated until all words |
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1276 have been processed or the limit imposed by @var{repeat} has been met (see |
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1277 below). |
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1278 |
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1279 The string @var{format} describes how the words in @var{str} should be |
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1280 parsed. As in @var{fscanf}, any (non-whitespace) text in the format that is |
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1281 not one of these specifiers is considered a literal. If there is a literal |
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1282 between two format specifiers then that same literal must appear in the |
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1283 input stream between the matching words. |
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1284 |
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1285 The following specifiers are valid: |
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1286 |
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1287 @table @code |
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1288 @item %f |
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1289 @itemx %f64 |
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1290 @itemx %n |
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1291 The word is parsed as a number and converted to double. |
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1292 |
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1293 @item %f32 |
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1294 The word is parsed as a number and converted to single (float). |
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1295 |
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1296 @item %d |
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1297 @itemx %d8 |
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1298 @itemx %d16 |
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1299 @itemx %d32 |
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1300 @itemx %d64 |
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1301 The word is parsed as a number and converted to int8, int16, int32, or |
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1302 int64. If no size is specified then int32 is used. |
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1303 |
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1304 @item %u |
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1305 @itemx %u8 |
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1306 @itemx %u16 |
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1307 @itemx %u32 |
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1308 @itemx %u64 |
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1309 The word is parsed as a number and converted to uint8, uint16, uint32, or |
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1310 uint64. If no size is specified then uint32 is used. |
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1311 |
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1312 @item %s |
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1313 The word is parsed as a string ending at the last character before |
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1314 whitespace, an end-of-line, or a delimiter specified in the options. |
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1315 |
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1316 @item %q |
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1317 The word is parsed as a "quoted string". |
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1318 If the first character of the string is a double quote (") then the string |
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1319 includes everything until a matching double quote---including whitespace, |
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1320 delimiters, and end-of-line characters. If a pair of consecutive double |
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1321 quotes appears in the input, it is replaced in the output by a single |
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1322 double quote. For examples, the input "He said ""Hello""" would |
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1323 return the value 'He said "Hello"'. |
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1324 |
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1325 @item %c |
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1326 The next character of the input is read. |
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1327 This includes delimiters, whitespace, and end-of-line characters. |
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1328 |
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1329 @item %[@dots{}] |
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1330 @itemx %[^@dots{}] |
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1331 In the first form, the word consists of the longest run consisting of only |
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1332 characters between the brackets. Ranges of characters can be specified by |
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1333 a hyphen; for example, %[0-9a-zA-Z] matches all alphanumeric characters (if |
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1334 the underlying character set is ASCII). Since @sc{matlab} treats hyphens |
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1335 literally, this expansion only applies to alphanumeric characters. To |
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1336 include '-' in the set, it should appear first or last in the brackets; to |
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1337 include ']', it should be the first character. If the first character is |
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1338 '^' then the word consists of characters @strong{not} listed. |
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1339 |
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1340 @item %N@dots{} |
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1341 For %s, %c %d, %f, %n, %u, an optional width can be specified as %Ns, etc. |
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1342 where N is an integer > 1. For %c, this causes exactly N characters to be |
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1343 read instead of a single character. For the other specifiers, it is an |
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1344 upper bound on the number of characters read; normal delimiters can cause |
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1345 fewer characters to be read. For complex numbers, this limit applies to |
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1346 the real and imaginary components individually. For %f and %n, format |
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1347 specifiers like %N.Mf are allowed, where M is an upper bound on number of |
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1348 characters after the decimal point to be considered; subsequent digits are |
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1349 skipped. For example, the specifier %8.2f would read 12.345e6 as 1.234e7. |
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1350 |
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1351 @item %*@dots{} |
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1352 The word specified by the remainder of the conversion specifier is skipped. |
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1353 |
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1354 @item literals |
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1355 In addition the format may contain literal character strings; these will be |
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1356 skipped during reading. If the input string does not match this literal, |
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1357 the processing terminates. |
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1358 @end table |
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1359 |
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1360 Parsed words corresponding to the first specifier are returned in the first |
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1361 output argument and likewise for the rest of the specifiers. |
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1362 |
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1363 By default, if there is only one input argument, @var{format} is @t{"%f"}. |
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1364 This means that numbers are read from the input into a single column vector. |
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1365 If @var{format} is explicitly empty (@qcode{""}) then textscan will |
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1366 return data in a number of columns matching the number of fields on the |
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1367 first data line of the input. Either of these is suitable only when the |
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1368 input is exclusively numeric. |
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1369 |
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1370 For example, the string |
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1371 |
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1372 @smallexample |
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1373 @group |
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1374 @var{str} = "\ |
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1375 Bunny Bugs 5.5\n\ |
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1376 Duck Daffy -7.5e-5\n\ |
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1377 Penguin Tux 6" |
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1378 @end group |
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1379 @end smallexample |
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1380 |
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1381 @noindent |
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1382 can be read using |
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1383 |
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1384 @example |
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1385 @var{a} = textscan (@var{str}, "%s %s %f"); |
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1386 @end example |
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1387 |
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1388 The optional numeric argument @var{repeat} can be used for limiting the |
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1389 number of items read: |
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1390 |
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1391 @table @asis |
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1392 @item -1 |
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1393 Read all of the string or file until the end (default). |
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1394 |
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1395 @item N |
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1396 Read until the first of two conditions occurs: 1) the format has been |
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1397 processed N times, or 2) N lines of the input have been processed. Zero |
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1398 (0) is an acceptable value for @var{repeat}. Currently, end-of-line |
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1399 characters inside %q, %c, and %[@dots{}]$ conversions do not contribute to |
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1400 the line count. This is incompatible with @sc{matlab} and may change in |
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1401 future. |
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1402 @end table |
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1403 |
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1404 The behavior of @code{textscan} can be changed via property/value pairs. |
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1405 The following properties are recognized: |
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1406 |
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1407 @table @asis |
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1408 @item @qcode{"BufSize"} |
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1409 This specifies the number of bytes to use for the internal buffer. |
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1410 A modest speed improvement may be obtained by setting this to a large value |
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1411 when reading a large file, especially if the input contains long strings. |
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1412 The default is 4096, or a value dependent on @var{n} if that is specified. |
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1413 |
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1414 @item @qcode{"CollectOutput"} |
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1415 A value of 1 or true instructs @code{textscan} to concatenate consecutive |
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1416 columns of the same class in the output cell array. A value of 0 or false |
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1417 (default) leaves output in distinct columns. |
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1418 |
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1419 @item @qcode{"CommentStyle"} |
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1420 Specify parts of the input which are considered comments and will be |
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1421 skipped. @var{value} is the comment style and can be either (1) A string |
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1422 or 1x1 cell string, to skip everything to the right of it; (2) A cell array |
21992
03c692adf563
maint: strip trailing whitespace from files.
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1423 of two strings, to skip everything between the first and second strings. |
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1424 Comments are only parsed where whitespace is accepted and do not act as |
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1425 delimiters. |
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1426 |
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1427 @item @qcode{"Delimiter"} |
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1428 If @var{value} is a string, any character in @var{value} will be used to |
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1429 split the input into words. If @var{value} is a cell array of strings, |
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1430 any string in the array will be used to split the input into words. |
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1431 (default value = any whitespace.) |
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1432 |
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1433 @item @qcode{"EmptyValue"} |
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1434 Value to return for empty numeric values in non-whitespace delimited data. |
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1435 The default is NaN@. When the data type does not support NaN (int32 for |
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1436 example), then the default is zero. |
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1437 |
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1438 @item @qcode{"EndOfLine"} |
27956
2310164737b3
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|
1439 @var{value} can be either an empty or one character specifying the |
21966
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1440 end-of-line character, or the pair |
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1441 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} (CRLF). |
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1442 In the latter case, any of |
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1443 @qcode{"@xbackslashchar{}r"}, @qcode{"@xbackslashchar{}n"} or |
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1444 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} is counted as a (single) |
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1445 newline. If no value is given, |
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1446 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} is used. |
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1447 @c If set to "" (empty string) EOLs are ignored as delimiters and added |
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1448 @c to whitespace. |
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1449 |
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1450 @c When reading from a character string, optional input argument @var{n} |
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1451 @c specifies the number of times @var{format} should be used (i.e., to limit |
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1452 @c the amount of data read). |
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1453 @c When reading from file, @var{n} specifies the number of data lines to read; |
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1454 @c in this sense it differs slightly from the format repeat count in strread. |
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|
1455 |
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1456 @item @qcode{"HeaderLines"} |
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1457 The first @var{value} number of lines of @var{fid} are skipped. Note that |
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|
1458 this does not refer to the first non-comment lines, but the first lines of |
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1459 any type. |
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|
1460 |
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1461 @item @qcode{"MultipleDelimsAsOne"} |
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1462 If @var{value} is nonzero, treat a series of consecutive delimiters, |
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1463 without whitespace in between, as a single delimiter. Consecutive |
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1464 delimiter series need not be vertically aligned. Without this option, a |
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|
1465 single delimiter before the end of the line does not cause the line to be |
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1466 considered to end with an empty value, but a single delimiter at the start |
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1467 of a line causes the line to be considered to start with an empty value. |
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|
1468 |
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1469 @item @qcode{"TreatAsEmpty"} |
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1470 Treat single occurrences (surrounded by delimiters or whitespace) of the |
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1471 string(s) in @var{value} as missing values. |
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|
1472 |
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1473 @item @qcode{"ReturnOnError"} |
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|
1474 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
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|
1475 encountered, such as trying to read a string using @code{%f}. |
21966
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1476 If set to 0 or false, return an error and no data. |
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|
1477 |
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1478 @item @qcode{"Whitespace"} |
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1479 Any character in @var{value} will be interpreted as whitespace and trimmed; |
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1480 The default value for whitespace is |
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1481 @c Note: the next line specifically has a newline which generates a space |
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1482 @c in the output of qcode, but keeps the next line < 80 characters. |
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1483 @qcode{" |
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1484 @xbackslashchar{}b@xbackslashchar{}r@xbackslashchar{}n@xbackslashchar{}t"} |
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1485 (note the space). Unless whitespace is set to @qcode{""} (empty) AND at |
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1486 least one @qcode{"%s"} format conversion specifier is supplied, a space is |
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1487 always part of whitespace. |
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|
1488 |
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1489 @end table |
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|
1490 |
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|
1491 When the number of words in @var{str} or @var{fid} doesn't match an exact |
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1492 multiple of the number of format conversion specifiers, @code{textscan}'s |
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|
1493 behavior depends on whether the last character of the string or file is an |
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|
1494 end-of-line as specified by the @code{EndOfLine} option: |
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|
1495 |
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|
1496 @table @asis |
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1497 @item last character = end-of-line |
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1498 Data columns are padded with empty fields, NaN or 0 (for integer fields) so |
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|
1499 that all columns have equal length |
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|
1500 |
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1501 @item last character is not end-of-line |
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1502 Data columns are not padded; @code{textscan} returns columns of unequal |
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|
1503 length |
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1504 @end table |
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1505 |
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1506 The second output @var{position} provides the location, in characters |
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1507 from the beginning of the file or string, where processing stopped. |
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|
1508 |
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1509 @seealso{dlmread, fscanf, load, strread, textread} |
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1510 @end deftypefn */) |
21502
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1511 { |
27167
ec6d31ef6bb6
* file-io.cc: Declare local constant "who" names "static const".
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|
1512 static const std::string who = "textscan"; |
21502
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|
1513 |
23738
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|
1514 return textscan_internal (interp, who, args); |
21504 | 1515 } |
1516 | |
23738
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1517 DEFMETHOD (__textscan__, interp, args, , |
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|
1518 doc: /* -*- texinfo -*- |
21966
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1519 @deftypefn {} {@var{C} =} __textscan__ (@var{who}, @dots{}) |
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1520 Like @code{textscan} but accept additional argument @var{who} to use |
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1521 as the name of the function when reporting errors. |
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|
1522 @end deftypefn */) |
21504 | 1523 { |
1524 if (args.length () == 0) | |
21502
7a19c5678f91
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|
1525 print_usage (); |
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|
1526 |
23738
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|
1527 return textscan_internal (interp, args(0).string_value (), |
8acd390d16c9
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|
1528 args.splice (0, 1)); |
21502
7a19c5678f91
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diff
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|
1529 } |
7a19c5678f91
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|
1530 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1531 /* |
7a19c5678f91
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|
1532 %!test |
7a19c5678f91
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|
1533 %! str = "1, 2, 3, 4\n 5, , , 8\n 9, 10, 11, 12"; |
7a19c5678f91
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|
1534 %! fmtstr = "%f %d %f %s"; |
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|
1535 %! c = textscan (str, fmtstr, 2, "delimiter", ",", "emptyvalue", -Inf); |
21625 | 1536 %! assert (c{1}, [1;5]); |
1537 %! assert (c{3}, [3; -Inf]); | |
21502
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|
1538 %! assert (iscellstr (c{4})); |
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|
1539 |
7a19c5678f91
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|
1540 %!test |
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|
1541 %! b = [10:10:100]; |
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|
1542 %! b = [b; 8*b/5]; |
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|
1543 %! str = sprintf ("%g miles/hr = %g kilometers/hr\n", b); |
7a19c5678f91
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|
1544 %! fmt = "%f miles/hr = %f kilometers/hr"; |
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|
1545 %! c = textscan (str, fmt); |
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|
1546 %! assert (c{1}, b(1,:)', 1e-5); |
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|
1547 %! assert (c{2}, b(2,:)', 1e-5); |
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|
1548 |
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|
1549 %!test |
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|
1550 %! str = "13, -, NA, str1, -25\r\n// Middle line\r\n36, na, 05, str3, 6"; |
21625 | 1551 %! c = textscan (str, "%d %n %f %s %n", "delimiter", ",", |
1552 %! "treatAsEmpty", {"NA", "na", "-"}, "commentStyle", "//"); | |
1553 %! assert (c{1}, int32 ([13; 36])); | |
1554 %! assert (c{2}, [NaN; NaN]); | |
1555 %! assert (c{3}, [NaN; 5]); | |
1556 %! assert (c{4}, {"str1"; "str3"}); | |
1557 %! assert (c{5}, [-25; 6]); | |
21502
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|
1558 |
7a19c5678f91
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|
1559 %!test |
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|
1560 %! str = "Km:10 = hhhBjjj miles16hour\r\n"; |
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|
1561 %! str = [str "Km:15 = hhhJjjj miles241hour\r\n"]; |
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|
1562 %! str = [str "Km:2 = hhhRjjj miles3hour\r\n"]; |
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|
1563 %! str = [str "Km:25 = hhhZ\r\n"]; |
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|
1564 %! fmt = "Km:%d = hhh%1sjjj miles%dhour"; |
21625 | 1565 %! c = textscan (str, fmt, "delimiter", " "); |
1566 %! assert (c{1}', int32 ([10, 15, 2, 25])); | |
1567 %! assert (c{2}', {'B' 'J' 'R' 'Z'}); | |
1568 %! assert (c{3}', int32 ([16, 241, 3, 0])); | |
1569 | |
1570 ## Test with default EndOfLine parameter | |
21502
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|
1571 %!test |
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|
1572 %! c = textscan ("L1\nL2", "%s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1573 %! assert (c{:}, {"L1"; "L2"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1574 |
21625 | 1575 ## Test with EndofLine parameter set to "" (empty) - newline should be in word |
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
|
1576 %!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
|
1577 %! c = textscan ("L1\nL2", "%s", "endofline", ""); |
21625 | 1578 %! assert (int8 ([c{:}{:}]), int8 ([76, 49, 10, 76, 50])); |
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
|
1579 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1580 ## Matlab fails this test. A literal after a conversion is not a delimiter |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1581 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1582 %! ## No delimiters at all besides EOL. Skip fields, even empty fields |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1583 %! str = "Text1Text2Text\nTextText4Text\nText57Text"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1584 %! c = textscan (str, "Text%*dText%dText"); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1585 %! assert (c{1}, int32 ([2; 4; 0])); |
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
|
1586 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1587 ## CollectOutput 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
|
1588 %!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
|
1589 %! b = [10:10:100]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1590 %! b = [b; 8*b/5; 8*b*1000/5]; |
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
|
1591 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1592 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1593 %! c = textscan (str, fmt, "collectoutput", 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
|
1594 %! assert (size (c{3}), [10, 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
|
1595 %! assert (size (c{2}), [10, 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
|
1596 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1597 ## CollectOutput test with uneven column length files |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1598 %!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
|
1599 %! b = [10:10:100]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1600 %! b = [b; 8*b/5; 8*b*1000/5]; |
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
|
1601 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1602 %! str = [str "110 miles/hr"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1603 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1604 %! c = textscan (str, fmt, "collectoutput", 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
|
1605 %! assert (size (c{1}), [11, 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
|
1606 %! assert (size (c{3}), [11, 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
|
1607 %! assert (size (c{2}), [11, 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
|
1608 %! assert (c{3}(end), 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
|
1609 %! assert (c{2}{11, 1}, "/hr"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1610 %! assert (isempty (c{2}{11, 2}), true); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1611 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1612 ## Double quoted string |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1613 %!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
|
1614 %! str = 'First "the second called ""the middle""" third'; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1615 %! fmt = "%q"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1616 %! c = textscan (str, fmt); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1617 %! assert (c{1}, {"First"; 'the second called "the middle"'; "third"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1618 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1619 ## Arbitrary character |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1620 %!test |
21625 | 1621 %! c = textscan ("a first, \n second, third", "%s %c %11c", "delimiter", " ,"); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1622 %! assert (c{1}, {"a"; "ond"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1623 %! assert (c{2}, {"f"; "t"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1624 %! assert (c{3}, {"irst, \n sec"; "hird"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1625 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1626 ## Field width and non-standard delimiters |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1627 %!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
|
1628 %! 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
|
1629 %! c = textscan (str, "%4d %4d", "delimiter", ";", "collectOutput", 1); |
21625 | 1630 %! assert (c, {[12, 34; 1234, 5678; 9, 7]}); |
1631 | |
1632 ## 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
|
1633 %!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
|
1634 %! 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
|
1635 %! c = textscan (str, "%4f %f", "delimiter", ";", "collectOutput", 1); |
21625 | 1636 %! 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
|
1637 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1638 ## Ignore trailing delimiter, but use leading one |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1639 %!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
|
1640 %! 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
|
1641 %! c = textscan (str, "%10.2f %f", "delimiter", ",", "collectOutput", 1, |
21625 | 1642 %! "expChars", "e|"); |
1643 %! assert (c, {[1223, 34; 12345.79-9876j, 78; NaN, 10000]}, 1e-6); | |
1644 | |
1645 ## 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
|
1646 %!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
|
1647 %! 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
|
1648 %! 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
|
1649 %! 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
|
1650 %! 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
|
1651 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1652 ## 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
|
1653 ## 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
|
1654 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1655 %! str = "12 R&D & 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1656 %! 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
|
1657 %! "EmptyValue", -99); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1658 %! 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
|
1659 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1660 ## 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
|
1661 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1662 %! str = "12 & R&D 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1663 %! 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
|
1664 %! assert (c, {[12 7]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1665 |
21625 | 1666 ## 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>
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diff
changeset
|
1667 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1668 %! 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
|
1669 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
1670 %! fprintf (fid, "1\n2\n3\n4\n5\n6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1671 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1672 %! 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>
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diff
changeset
|
1673 %! E = feof (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1674 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
1675 %! 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
|
1676 %! assert (c, {1, 2}); |
21625 | 1677 %! assert (! E); |
1678 | |
1679 ## 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
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diff
changeset
|
1680 %!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
|
1681 %! 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
|
1682 %! 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
|
1683 %! 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
|
1684 %! 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
|
1685 %! 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
|
1686 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1687 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1688 %! 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
|
1689 |
21625 | 1690 ## 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
|
1691 %!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
|
1692 %! 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
|
1693 %! 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
|
1694 %! 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
|
1695 %! 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
|
1696 %! 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
|
1697 %! 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
|
1698 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1699 %! 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
|
1700 |
21625 | 1701 ## 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
|
1702 %!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
|
1703 %! 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
|
1704 %! 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
|
1705 %! 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
|
1706 %! 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
|
1707 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1708 %! 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
|
1709 %! 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
|
1710 %! 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
|
1711 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1712 %! 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
|
1713 %! assert (c, {[1;4], [2], [3]}); |
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1714 %! 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
|
1715 |
21625 | 1716 %! ## 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
|
1717 %!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
|
1718 %! 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
|
1719 %! 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
|
1720 %! 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
|
1721 %! 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
|
1722 %! 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
|
1723 %! 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
|
1724 %! 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
|
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); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1727 %! 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
|
1728 %! assert (c, {[1;4], 2, 3}); |
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1729 %! 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
|
1730 |
21625 | 1731 %!error <Read error in field 2 of row 2> |
1732 %! textscan ("1 2 3\n4 s 6", "%f %f %f", "ReturnOnError", 0); | |
1733 | |
1734 ## 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
|
1735 %!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
|
1736 %! 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
|
1737 %! 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
|
1738 %! 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
|
1739 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1740 %! 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
|
1741 %! 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
|
1742 %! 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
|
1743 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1744 %! 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
|
1745 |
21625 | 1746 ## 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
|
1747 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1748 %! 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
|
1749 %! 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
|
1750 |
21625 | 1751 ## 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
|
1752 %!test |
21625 | 1753 %! c = textscan ("1,,3\n4,5,6", "%f %f %f", "Delimiter", ",", |
1754 %! "ReturnOnError", 1); | |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1755 %! 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
|
1756 |
21625 | 1757 ## 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
|
1758 %!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
|
1759 %! 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
|
1760 %! 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
|
1761 |
21625 | 1762 ## 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
|
1763 ## Test incomplete first data line |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1764 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1765 %! 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
|
1766 %! assert (R{1}, int32 (1)); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1767 %! 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
|
1768 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1769 %!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
|
1770 %! 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
|
1771 %! 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
|
1772 %! 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
|
1773 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1774 ## 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
|
1775 %!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
|
1776 %! 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
|
1777 %! 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
|
1778 %! 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
|
1779 %! 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
|
1780 %! 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
|
1781 %! 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
|
1782 %! 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
|
1783 %! 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
|
1784 %! 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
|
1785 %! 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
|
1786 %! 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
|
1787 %! assert (strcmp (lh, rh)); |
21625 | 1788 %! 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
|
1789 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1790 ## 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
|
1791 %!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
|
1792 %! 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
|
1793 %! 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
|
1794 %! 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
|
1795 %! 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
|
1796 %! 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
|
1797 %! 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
|
1798 %! 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
|
1799 %! 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
|
1800 %! 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
|
1801 %! 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
|
1802 %! 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
|
1803 %! assert (strcmp (lh, rh)); |
21625 | 1804 %! 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
|
1805 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1806 ## 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
|
1807 %!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
|
1808 %! 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
|
1809 %! 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
|
1810 %! 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
|
1811 %! 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
|
1812 %! 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
|
1813 %! 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
|
1814 %! 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
|
1815 %! 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
|
1816 %! 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
|
1817 %! 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
|
1818 %! 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
|
1819 %! 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
|
1820 %! assert (strcmp (lh, rh)); |
21625 | 1821 %! 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
|
1822 |
7a19c5678f91
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 ## 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
|
1824 %!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
|
1825 %! 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
|
1826 %! 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
|
1827 %! 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
|
1828 %! 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
|
1829 %! 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
|
1830 %! 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
|
1831 %! 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
|
1832 %! 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
|
1833 %! 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
|
1834 %! 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
|
1835 %! assert (strcmp (lh, rh)); |
21625 | 1836 %! 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
|
1837 |
7a19c5678f91
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 ## 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
|
1839 %!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
|
1840 %! 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
|
1841 %! 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
|
1842 %! 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
|
1843 %! 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
|
1844 %! 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
|
1845 %! 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
|
1846 %! 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
|
1847 %! 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
|
1848 %! 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
|
1849 %! 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
|
1850 %! 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
|
1851 %! assert (strcmp (lh, rh)); |
21625 | 1852 %! 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
|
1853 |
7a19c5678f91
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 ## Tests reading with empty format, should return proper nr of columns |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1855 %!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
|
1856 %! 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
|
1857 %! 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
|
1858 %! fprintf (fid, " 1 2 3 4\n5 6 7 8"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1859 %! fseek (fid, 0, "bof"); |
21625 | 1860 %! C = textscan (fid, ""); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1861 %! 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
|
1862 %! 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
|
1863 %! unlink (f); |
21625 | 1864 %! assert (C{1}, [1 ; 5], 1e-6); |
1865 %! assert (C{2}, [2 ; 6], 1e-6); | |
1866 %! assert (C{3}, [3 ; 7], 1e-6); | |
1867 %! assert (C{4}, [4 ; 8], 1e-6); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1868 %! 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
|
1869 |
21621
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1870 ## Test leaving the file at the correct position on exit |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1871 %!test |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1872 %! f = tempname (); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1873 %! fid = fopen (f, "w+"); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1874 %! fprintf (fid, "1,2\n3,4\n"); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1875 %! fseek (fid, 0, "bof"); |
21625 | 1876 %! C = textscan (fid, "%s %f", 2, "Delimiter", ","); |
21621
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1877 %! E = ftell (fid); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1878 %! fclose (fid); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1879 %! unlink (f); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1880 %! assert (E, 8); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1881 |
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
|
1882 ## Tests reading with empty format; empty fields & incomplete lower row |
7a19c5678f91
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 %!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
|
1884 %! 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
|
1885 %! 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
|
1886 %! fprintf (fid, " ,2,,4\n5,6"); |
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
|
1887 %! fseek (fid, 0, "bof"); |
21625 | 1888 %! C = textscan (fid, "", "delimiter", ",", "EmptyValue", 999, |
1889 %! "CollectOutput" , 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
|
1890 %! 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
|
1891 %! unlink (f); |
21625 | 1892 %! assert (C{1}, [999, 2, 999, 4; 5, 6, 999, 999], 1e-6); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1893 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1894 ## Error message tests |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1895 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1896 %!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
|
1897 %! 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
|
1898 %! 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
|
1899 %! msg1 = "textscan: 1 parameters given, but only 0 values"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1900 %! try |
21625 | 1901 %! C = textscan (fid, "", "headerlines"); |
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
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|
1902 %! end_try_catch; |
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1903 %! assert (! feof (fid)); |
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1904 %! fclose (fid); |
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1905 %! unlink (f); |
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1906 %! assert (msg1, lasterr); |
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1907 |
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1908 %!test |
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1909 %! f = tempname (); |
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1910 %! fid = fopen (f, "w+"); |
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1911 %! msg1 = "textscan: HeaderLines must be numeric"; |
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1912 %! try |
21625 | 1913 %! C = textscan (fid, "", "headerlines", "hh"); |
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1914 %! end_try_catch; |
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1915 %! fclose (fid); |
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1916 %! unlink (f); |
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1917 %! assert (msg1, lasterr); |
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1918 |
21625 | 1919 ## Skip headerlines |
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1920 %!test |
21625 | 1921 %! C = textscan ("field 1 field2\n 1 2\n3 4", "", "headerlines", 1, |
1922 %! "collectOutput", 1); | |
1923 %! assert (C, {[1 2; 3 4]}); | |
1924 | |
1925 ## Skip headerlines with non-default EOL | |
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1926 %!test |
21625 | 1927 %! C = textscan ("field 1 field2\r 1 2\r3 4", "", "headerlines", 2, |
1928 %! "collectOutput", 1, "EndOfLine", '\r'); | |
1929 %! assert (C, {[3 4]}); | |
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1930 |
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1931 %!test |
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1932 %! f = tempname (); |
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1933 %! fid = fopen (f, "w+"); |
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1934 %! fprintf (fid,"some_string"); |
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1935 %! fseek (fid, 0, "bof"); |
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1936 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1937 %! try |
21625 | 1938 %! C = textscan (fid, "%f", "EndOfLine", "\n\r"); |
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1939 %! end_try_catch; |
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1940 %! fclose (fid); |
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1941 %! unlink (f); |
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1942 %! assert (msg1, lasterr); |
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1943 |
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1944 %!test |
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1945 %! f = tempname (); |
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1946 %! fid = fopen (f, "w+"); |
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1947 %! fprintf (fid,"some_string"); |
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1948 %! fseek (fid, 0, "bof"); |
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1949 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
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1950 %! try |
21625 | 1951 %! C = textscan (fid, "%f", "EndOfLine", 33); |
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1952 %! end_try_catch; |
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1953 %! fclose (fid); |
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1954 %! unlink (f); |
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1955 %! assert (msg1, lasterr); |
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1956 |
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1957 %!assert <*41824> (textscan ("123", "", "whitespace", " "){:}, 123); |
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1958 |
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1959 ## just test supplied emptyvalue |
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1960 %!assert <*42343> (textscan (",NaN", "", "delimiter", "," ,"emptyValue" ,Inf), |
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1961 %! {Inf, NaN}) |
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1962 |
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1963 ## test padding with supplied emptyvalue |
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1964 %!test <*42343> |
21625 | 1965 %! c = textscan (",1,,4\nInf, ,NaN\n", "", "delimiter", ",", |
1966 %! "emptyvalue", -10); | |
1967 %! assert (cell2mat (c), [-10, 1, -10, 4; Inf, -10, NaN, -10]); | |
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1968 |
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1969 %!test <*42528> |
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1970 %! assert (textscan ("1i", ""){1}, 0+1i); |
21625 | 1971 %! C = textscan ("3, 2-4i, NaN\n -i, 1, 23.4+2.2i\n 1+1 1+1j", "", |
1972 %! "delimiter", ","); | |
1973 %! assert (cell2mat (C), [3+0i, 2-4i, NaN+0i; 0-i, 1+0i, 23.4+2.2i; 1 1 1+1i]); | |
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1974 |
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1975 %!test |
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1976 %! ## TreatAsEmpty |
21625 | 1977 %! C = textscan ("1,2,3,NN,5,6\n", "%d%d%d%f", "delimiter", ",", |
1978 %! "TreatAsEmpty", "NN"); | |
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1979 %! assert (C{3}(1), int32 (3)); |
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1980 %! assert (C{4}(1), NaN); |
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1981 |
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1982 ## MultipleDelimsAsOne |
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1983 %!test |
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1984 %! str = "11, 12, 13,, 15\n21,, 23, 24, 25\n,, 33, 34, 35\n"; |
21625 | 1985 %! C = textscan (str, "%f %f %f %f", "delimiter", ",", |
1986 %! "multipledelimsasone", 1, "endofline", "\n"); | |
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1987 %! assert (C{1}', [11, 21, 33]); |
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1988 %! assert (C{2}', [12, 23, 34]); |
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1989 %! assert (C{3}', [13, 24, 35]); |
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1990 %! assert (C{4}', [15, 25, NaN]); |
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1991 |
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1992 ## Single-quoted escape sequences |
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1993 %!test |
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1994 %! str = "11\t12\t13\r21\t22\t23"; |
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1995 %! c = textscan (str, "", "delimiter", '\t', "EndOfLine", '\r'); |
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1996 %! assert (c{1}', [11, 21]); |
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1997 %! assert (c{2}', [12, 22]); |
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1998 %! assert (c{3}', [13, 23]); |
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1999 |
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2000 %!test <*44750> |
21625 | 2001 %! c = textscan ("/home/foo/", "%s", "delimiter", "/", |
2002 %! "MultipleDelimsAsOne", 1); | |
2003 %! assert (c{1}, {"home"; "foo"}); | |
2004 | |
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2005 ## FIXME: Test still fails (4/13/2016). |
21625 | 2006 ## Allow cuddling %sliteral, but warn it is ambiguous |
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2007 %!#test |
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2008 %! C = textscan ("abcxyz51\nxyz83\n##xyz101", "%s xyz %d"); |
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2009 %! assert (C{1}([1 3]), {"abc"; "##"}); |
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2010 %! assert (isempty (C{1}{2}), true); |
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2011 %! assert (C{2}, int32 ([51; 83; 101])); |
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2012 |
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2013 ## Literals are not delimiters. |
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2014 |
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2015 ## Test for false positives in check for non-supported format specifiers |
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2016 %!test |
21625 | 2017 %! c = textscan ("Total: 32.5 % (of cm values)", |
2018 %! "Total: %f %% (of cm values)"); | |
2019 %! assert (c{1}, 32.5, 1e-5); | |
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2020 |
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2021 ## Test various forms of string format specifiers |
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2022 %!test <*45712> |
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2023 %! str = "14 :1 z:2 z:3 z:5 z:11"; |
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2024 %! C = textscan (str, "%f %s %*s %3s %*3s %f", "delimiter", ":"); |
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2025 %! assert (C, {14, {"1 z"}, {"3 z"}, 11}); |
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2026 |
21625 | 2027 ## Bit width, fixed width conversion specifiers |
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diff
changeset
|
2028 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2029 %! str2 = "123456789012345 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2030 %! str2 = [str2 str2 str2 str2 str2 str2 str2 str2]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2031 %! str2 = [str2 "123456789.01234 1234567890.1234 12345.678901234 12345.678901234"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2032 %! pttrn = "%3u8%*s %5u16%*s %10u32%*s %15u64 %3d8%*s %5d16%*s %10d32%*s %15d64 %9f32%*s %14f64%*s %10.2f32%*s %12.2f64%*s"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2033 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2034 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2035 %! assert (C{2}, uint16 (12345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2036 %! assert (C{3}, uint32 (1234567890)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2037 %! assert (C{4}, uint64 (123456789012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2038 %! assert (C{5}, int8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2039 %! assert (C{6}, int16 (12345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2040 %! assert (C{7}, int32 (1234567890)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2041 %! assert (C{8}, int64 (123456789012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2042 %! assert (C{9}, single (123456789), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2043 %! assert (C{10}, double (1234567890.123), 1e-15); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2044 %! assert (C{11}, single (12345.68), 1e-5); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2045 %! assert (C{12}, double (12345.68), 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2046 |
21625 | 2047 ## Bit width, fixed width conv. specifiers -- check the right amount is left |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2048 %!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
|
2049 %! str2 = "123456789012345 "; |
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
|
2050 %! str2 = [str2 str2 "123456789.01234"]; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2051 %! pttrn = "%3u8 %5u16 %10u32 %3d8 %5d16 %10d32 %9f32 %9f"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2052 %! C = textscan (str2, pttrn, "delimiter", " "); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2053 %! assert (C{1}, uint8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2054 %! assert (C{2}, uint16 (45678)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2055 %! assert (C{3}, uint32 (9012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2056 %! assert (C{4}, int8 (123)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2057 %! assert (C{5}, int16 (45678)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2058 %! assert (C{6}, int32 (9012345)); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2059 %! assert (C{7}, single (123456789), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2060 %! assert (C{8}, double (0.01234), 1e-12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2061 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2062 %!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
|
2063 %! C = textscan ("123.123", "%2f %3f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2064 %! assert (C{1}, 12); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2065 %! assert (C{2}, 3.1, 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2066 %! assert (C{3}, 23); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2067 |
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
|
2068 %!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
|
2069 %! C = textscan ("123.123", "%3f %3f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2070 %! assert (C{1}, 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
|
2071 %! assert (C{2}, 0.12, 1e-11); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2072 %! assert (C{3}, 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
|
2073 |
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
|
2074 %!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
|
2075 %! C = textscan ("123.123", "%4f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2076 %! assert (C{1}, 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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diff
changeset
|
2077 %! 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>
parents:
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diff
changeset
|
2078 |
21625 | 2079 ## 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
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2080 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2081 %! 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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diff
changeset
|
2082 %! 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
|
2083 %! 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
|
2084 |
21625 | 2085 ## %[] tests |
2086 ## 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
|
2087 %!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
|
2088 %! 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>
parents:
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diff
changeset
|
2089 %! C = textscan (ar, "%[abcdefg] %*[uvwxyz] %s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2090 %! 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>
parents:
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diff
changeset
|
2091 %! 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>
parents:
21457
diff
changeset
|
2092 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2093 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2094 %! 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>
parents:
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diff
changeset
|
2095 |
21625 | 2096 ## [^..] and *[^..] |
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
|
2097 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2098 %! 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>
parents:
21457
diff
changeset
|
2099 %! 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>
parents:
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diff
changeset
|
2100 %! 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
|
2101 %! assert (C{2}, {"1Any"; "2Trailing"; "3Junk"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2102 |
21625 | 2103 ## [..] 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>
parents:
21457
diff
changeset
|
2104 %!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
|
2105 %! cr = "ab cd efguv wx1Any\na ce gx yz2Trailing\n 3Junk"; |
21625 | 2106 %! C = textscan (cr, "%[ abcdefg] %*[^0123456789] %s", "delimiter", " \n", |
2107 %! "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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changeset
|
2108 %! assert (C{1}, {"ab cd efg"; "a ce g"; " "}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2109 %! 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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21457
diff
changeset
|
2110 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
2111 %!assert <*36464> (textscan ("1 2 3 4 5 6", "%*n%n%*[^\n]"){1}, 2); |
21625 | 2112 |
2113 ## 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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changeset
|
2114 %!test |
21625 | 2115 %! assert (textscan ("345]", "%*[123456]%[]]"){1}{1}, "]"); |
2116 %! assert (textscan ("345]", "%*[^]]%s"){1}{1}, "]"); | |
2117 | |
2118 ## 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
|
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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changeset
|
2120 %! 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
|
2121 %! 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
|
2122 |
21625 | 2123 ## Again for "+i", this time with custom parser |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2124 %!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
|
2125 %! 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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|
2126 %! 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
|
2127 |
21625 | 2128 ## Check single quoted format interprets control sequences |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2129 %!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
|
2130 %! 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
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changeset
|
2131 %! 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
|
2132 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2133 ## 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
|
2134 %!test |
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2135 %! 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
|
2136 %! 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
|
2137 |
21625 | 2138 ## Check overflow and underflow of integer types |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2139 %!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
|
2140 %! a = "-1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2141 %! b = "1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2142 %! 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>
parents:
21457
diff
changeset
|
2143 %! 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>
parents:
21457
diff
changeset
|
2144 %! 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>
parents:
21457
diff
changeset
|
2145 %! 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>
parents:
21457
diff
changeset
|
2146 %! 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>
parents:
21457
diff
changeset
|
2147 %! 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>
parents:
21457
diff
changeset
|
2148 %! 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>
parents:
21457
diff
changeset
|
2149 %! 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
|
2150 %! 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>
parents:
21457
diff
changeset
|
2151 %! 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
|
2152 |
21625 | 2153 ## 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>
parents:
21457
diff
changeset
|
2154 %!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
|
2155 %! 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
|
2156 %! 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
|
2157 %! 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>
parents:
21457
diff
changeset
|
2158 %! 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>
parents:
21457
diff
changeset
|
2159 %! fprintf (fid,"11/12/2005 Level3 34.90 12 2e5 10 100 No 3.1+.1i\n"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2160 %! 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
|
2161 %! C = textscan (fid,"%s %s %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2162 %! %assert (C{1}, {"09/12/2005";"10/12/2005";"11/12/2005"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2163 %! assert (C{2}, {"Level1";"Level2";"Level3"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2164 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2165 %! assert (C{4}, [int8(45);int8(60);int8(12)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2166 %! assert (C{5}, [uint32(4294967295);uint32(4294967295);uint32(200000)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2167 %! assert (C{6}, [inf;-inf;10]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2168 %! assert (C{7}, [NaN;0.001;100], eps); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2169 %! assert (C{8}, {"Yes";"No";"No"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2170 %! assert (C{9}, [5.1+3i;2.2-0.5i;3.1+0.1i]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2171 %! 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
|
2172 %! C = textscan (fid,"%s Level%d %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2173 %! assert (C{2}, [int32(1);int32(2);int32(3)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2174 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2175 %! fseek (fid, 0, "bof"); |
21625 | 2176 %! C = textscan (fid, '%s %*[^\n]'); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2177 %! 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
|
2178 %! 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
|
2179 %! assert (C, {{"09/12/2005";"10/12/2005";"11/12/2005"}}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2180 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2181 %!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
|
2182 %! 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
|
2183 %! 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
|
2184 %! 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
|
2185 %! 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
|
2186 %! 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
|
2187 %! 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
|
2188 %! 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
|
2189 %! 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
|
2190 %! 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
|
2191 %! 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
|
2192 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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>
parents:
21457
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>
parents:
21457
diff
changeset
|
2196 %! 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
|
2197 %! 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
|
2198 %! 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
|
2199 %! fseek (fid, 0, "bof"); |
21625 | 2200 %! C = textscan (fid, "%s %n %n %n %n", "Delimiter", ",", |
2201 %! "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
|
2202 %! 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
|
2203 %! 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
|
2204 %! 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
|
2205 %! 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
|
2206 %! 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
|
2207 %! 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
|
2208 %! 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
|
2209 |
21625 | 2210 ## 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
|
2211 ## 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
|
2212 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2213 %! 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
|
2214 %! assert (c(1), {1, "/", 2}); |
21507
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2215 |
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2216 %!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
|
2217 |
21625 | 2218 ## Check for delimiter after exponent |
21566
02826fb0f261
textscan: Fix bug in exponent parsing
Mike Miller <mtmiller@octave.org>
parents:
21551
diff
changeset
|
2219 %!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
|
2220 |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2221 %!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
|
2222 %! 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
|
2223 %! 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
|
2224 %! 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
|
2225 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2226 %!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
|
2227 %! 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
|
2228 %! 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
|
2229 %! 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
|
2230 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2231 %!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
|
2232 %! 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
|
2233 %! 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
|
2234 %! 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
|
2235 %! 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
|
2236 %! 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
|
2237 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2238 %!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
|
2239 %! 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
|
2240 %! 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
|
2241 %! 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
|
2242 %! 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
|
2243 %! 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
|
2244 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2245 %!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
|
2246 %! 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
|
2247 %! 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
|
2248 %! 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
|
2249 %! 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
|
2250 %! 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
|
2251 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2252 %!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
|
2253 %! 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
|
2254 %! 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
|
2255 |
26946
04e5cb5e2cb3
update bug status in tests
John W. Eaton <jwe@octave.org>
parents:
26867
diff
changeset
|
2256 %!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
|
2257 %! 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
|
2258 %! obs = textscan (str, "%f", "delimiter", ",;$"); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2259 %! assert (obs, { [0; 1; NaN; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2260 %! obs = textscan (str, "%f", "delimiter", {",",";","$"}); |
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
|
2261 %! 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
|
2262 |
26706
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2263 ## file stream with encoding |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2264 %!test |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2265 %! f = tempname (); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2266 %! 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
|
2267 %! unwind_protect |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2268 %! fprintf (fid, "abc,äöü\n"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2269 %! fseek (fid, 0, "bof"); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2270 %! 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
|
2271 %! fclose (fid); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2272 %! assert (obs, { {"abc"; "äöü"} }); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2273 %! unwind_protect_cleanup |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2274 %! unlink (f); |
ccea3574f36b
Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents:
26705
diff
changeset
|
2275 %! end_unwind_protect |
27424
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2276 |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2277 %!test <*56917> |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2278 %! str = '"a,b","c"'; |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2279 %! obs = textscan (str, "%q", "delimiter", ","); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2280 %! assert (obs, { { "a,b"; "c" } }); |
17b915ad4b73
Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents:
27277
diff
changeset
|
2281 |
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
|
2282 */ |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2283 // 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
|
2284 #if 0 |
21625 | 2285 ## 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
|
2286 %!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
|
2287 %! 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
|
2288 %! 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
|
2289 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2290 ## 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
|
2291 %!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
|
2292 %! 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
|
2293 %! 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
|
2294 %! 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
|
2295 %! 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
|
2296 %! 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
|
2297 %! 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
|
2298 %! 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
|
2299 %! 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
|
2300 %! 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
|
2301 %! 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
|
2302 %! 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
|
2303 %! 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
|
2304 #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
|
2305 |
21625 | 2306 /* |
2307 ## Test input validation | |
2308 %!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
|
2309 %!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
|
2310 %!error <file id must be> textscan ({4}) |
21625 | 2311 %!error <must be a string> textscan ("Hello World", 2) |
2312 %!error <at most one character or> | |
2313 %! textscan ("Hello World", "%s", "EndOfLine", 3); | |
2314 %!error <'%z' is not a valid format specifier> textscan ("1.0", "%z") | |
2315 %!error <no valid format conversion specifiers> textscan ("1.0", "foo") | |
2316 */ | |
2317 | |
2116 | 2318 static octave_value |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2319 do_fread (octave::stream& os, const octave_value& size_arg, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2320 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
|
2321 const octave_value& arch_arg, octave_idx_type& count) |
2116 | 2322 { |
2323 count = -1; | |
2324 | |
20703
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2325 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:
20700
diff
changeset
|
2326 |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2327 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
|
2328 |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2329 int block_size = 1; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2330 oct_data_conv::data_type input_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2331 oct_data_conv::data_type output_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2332 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2333 try |
2116 | 2334 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2335 oct_data_conv::string_to_data_type (prec, block_size, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2336 input_type, output_type); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2337 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2338 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2339 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2340 error (e, "fread: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2341 } |
4944 | 2342 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2343 int skip = 0; |
3202 | 2344 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2345 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2346 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2347 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2348 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2349 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2350 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2351 error (e, "fread: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2352 } |
2116 | 2353 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2354 std::string arch = arch_arg.xstring_value ("fread: ARCH architecture type must be a string"); |
2116 | 2355 |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2356 octave::mach_info::float_format flt_fmt |
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2357 = octave::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
|
2358 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2359 return os.read (size, block_size, input_type, output_type, skip, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2360 flt_fmt, count); |
2116 | 2361 } |
2362 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2363 DEFMETHOD (fread, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2364 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
|
2365 @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
|
2366 @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
|
2367 @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
|
2368 @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
|
2369 @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
|
2370 @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
|
2371 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
|
2372 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2373 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
|
2374 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
|
2375 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2376 @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
|
2377 @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
|
2378 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
|
2379 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2380 @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
|
2381 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
|
2382 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2383 @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
|
2384 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
|
2385 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
|
2386 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
|
2387 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2388 @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
|
2389 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
|
2390 @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
|
2391 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
|
2392 @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
|
2393 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2394 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2395 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
|
2396 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2397 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
|
2398 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
|
2399 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2400 @table @asis |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2401 @item @qcode{"uint8"} (default) |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2402 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
|
2403 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2404 @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
|
2405 @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
|
2406 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
|
2407 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2408 @item @qcode{"uint16"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2409 @itemx @qcode{"ushort"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2410 @itemx @qcode{"unsigned short"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2411 16-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2412 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2413 @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
|
2414 @itemx @qcode{"integer*2"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2415 @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
|
2416 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
|
2417 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2418 @item @qcode{"uint"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2419 @itemx @qcode{"uint32"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2420 @itemx @qcode{"unsigned int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2421 @itemx @qcode{"ulong"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2422 @itemx @qcode{"unsigned long"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2423 32-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2424 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2425 @item @qcode{"int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2426 @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
|
2427 @itemx @qcode{"integer*4"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2428 @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
|
2429 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
|
2430 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2431 @item @qcode{"uint64"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2432 64-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2433 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2434 @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
|
2435 @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
|
2436 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
|
2437 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2438 @item @qcode{"single"} |
23949
58435a400d4e
Document that fread 'float' size is 32 bits (bug #41672).
Rik <rik@octave.org>
parents:
23924
diff
changeset
|
2439 @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
|
2440 @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
|
2441 @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
|
2442 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
|
2443 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2444 @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
|
2445 @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
|
2446 @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
|
2447 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
|
2448 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2449 @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
|
2450 @itemx @qcode{"char*1"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2451 8-bit single character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2452 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2453 @item @qcode{"uchar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2454 @itemx @qcode{"unsigned char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2455 8-bit unsigned character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2456 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2457 @item @qcode{"schar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2458 @itemx @qcode{"signed char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2459 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
|
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 @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
|
2462 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2463 @noindent |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2464 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
|
2465 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2466 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>
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diff
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|
2467 count. For example, @samp{32*single} causes @code{fread} to read |
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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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|
2468 a block of 32 single precision floating point numbers. Reading in |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2469 blocks is useful in combination with the @var{skip} argument. |
112b20240c87
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diff
changeset
|
2470 |
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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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|
2471 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>
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diff
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|
2472 For example, @samp{int16=>int32} causes @code{fread} to read 16-bit |
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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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|
2473 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
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parents:
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diff
changeset
|
2474 default, @code{fread} returns a double precision array. The special |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2475 form @samp{*TYPE} is shorthand for @samp{TYPE=>TYPE}. |
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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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|
2476 |
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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
|
2477 The conversion and repeat counts may be combined. For example, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2478 specification @samp{32*single=>single} causes @code{fread} to read |
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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
|
2479 blocks of single precision floating point values and return an array |
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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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|
2480 of single precision values instead of the default array of double |
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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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|
2481 precision values. |
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diff
changeset
|
2482 |
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move docstrings in C++ files out of C strings and into comments
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|
2483 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:
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diff
changeset
|
2484 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
|
2485 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
|
2486 complete, the final skip is omitted. For example, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2487 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2488 @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
|
2489 fread (f, 10, "3*single=>single", 8) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2490 @end example |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2491 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2492 @noindent |
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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
changeset
|
2493 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:
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diff
changeset
|
2494 a complete block of 3 values. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2495 |
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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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changeset
|
2496 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
changeset
|
2497 for the file. Valid values are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2498 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2499 @table @asis |
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
|
2500 @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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|
2501 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
|
2502 |
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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
changeset
|
2503 @item @qcode{"ieee-be"} or @qcode{"b"} |
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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
changeset
|
2504 IEEE big 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
|
2505 |
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
|
2506 @item @qcode{"ieee-le"} or @qcode{"l"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2507 IEEE little 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
|
2508 @end table |
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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
|
2509 |
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
|
2510 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:
21942
diff
changeset
|
2511 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
|
2512 @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>
parents:
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diff
changeset
|
2513 |
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
|
2514 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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diff
changeset
|
2515 |
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
|
2516 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
|
2517 @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
|
2518 @end deftypefn */) |
529 | 2519 { |
2116 | 2520 int nargin = args.length (); |
2521 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2522 if (nargin < 1 || nargin > 5) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2523 print_usage (); |
2116 | 2524 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2525 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2526 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2527 octave::stream os = streams.lookup (args(0), "fread"); |
2116 | 2528 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2529 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
|
2530 octave_value prec = "uint8"; |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2531 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2532 octave_value arch = "unknown"; |
2116 | 2533 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2534 int idx = 1; |
2116 | 2535 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2536 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
|
2537 size = args(idx++); |
2116 | 2538 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2539 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2540 prec = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2541 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2542 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2543 skip = args(idx++); |
4257 | 2544 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2545 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2546 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2547 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2548 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2549 arch = skip; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2550 skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2551 } |
2116 | 2552 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2553 octave_idx_type count = -1; |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20457
diff
changeset
|
2554 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2555 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
|
2556 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2557 return ovl (tmp, count); |
529 | 2558 } |
2559 | |
2116 | 2560 static int |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2561 do_fwrite (octave::stream& os, const octave_value& data, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2562 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
|
2563 const octave_value& arch_arg) |
2116 | 2564 { |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20687
diff
changeset
|
2565 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
|
2566 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2567 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
|
2568 oct_data_conv::data_type output_type; |
2116 | 2569 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2570 try |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2571 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2572 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
|
2573 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2574 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2575 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2576 error (e, "fwrite: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2577 } |
2116 | 2578 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2579 int skip = 0; |
3202 | 2580 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2581 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2582 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2583 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2584 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2585 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2586 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2587 error (e, "fwrite: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2588 } |
2116 | 2589 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2590 std::string arch = arch_arg.xstring_value ("fwrite: ARCH architecture type must be a string"); |
2116 | 2591 |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2592 octave::mach_info::float_format flt_fmt |
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2593 = octave::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
|
2594 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2595 return os.write (data, block_size, output_type, skip, flt_fmt); |
2116 | 2596 } |
2597 | |
23738
8acd390d16c9
don't use singleton for stream_list object
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2598 DEFMETHOD (fwrite, interp, args, , |
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2599 doc: /* -*- texinfo -*- |
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2600 @deftypefn {} {} fwrite (@var{fid}, @var{data}) |
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2601 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}) |
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2602 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}) |
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2603 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}, @var{arch}) |
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2604 @deftypefnx {} {@var{count} =} fwrite (@dots{}) |
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2605 Write data in binary form to the file specified by the file descriptor |
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2606 @var{fid}, returning the number of values @var{count} successfully written |
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2607 to the file. |
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2608 |
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2609 The argument @var{data} is a matrix of values that are to be written to |
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2610 the file. The values are extracted in column-major order. |
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2611 |
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2612 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are |
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2613 optional, and are interpreted as described for @code{fread}. |
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2614 |
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2615 The behavior of @code{fwrite} is undefined if the values in @var{data} |
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2616 are too large to fit in the specified precision. |
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2617 @seealso{fread, fputs, fprintf, fopen} |
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2618 @end deftypefn */) |
1181 | 2619 { |
2116 | 2620 int nargin = args.length (); |
2621 | |
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2622 if (nargin < 2 || nargin > 5) |
5823 | 2623 print_usage (); |
2116 | 2624 |
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2625 octave::stream_list& streams = interp.get_stream_list (); |
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2626 |
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2627 octave::stream os = streams.lookup (args(0), "fwrite"); |
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2628 |
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2629 octave_value prec = "uchar"; |
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2630 octave_value skip = 0; |
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2631 octave_value arch = "unknown"; |
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2632 |
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2633 int idx = 1; |
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2634 |
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2635 octave_value data = args(idx++); |
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2636 |
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2637 if (nargin > idx) |
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2638 prec = args(idx++); |
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2639 |
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2640 if (nargin > idx) |
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2641 skip = args(idx++); |
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2642 |
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2643 if (nargin > idx) |
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2644 arch = args(idx++); |
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2645 else if (skip.is_string ()) |
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2646 { |
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2647 arch = skip; |
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2648 skip = 0; |
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2649 } |
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|
2650 |
21127
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Rik <rik@octave.org>
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|
2651 return ovl (do_fwrite (os, data, prec, skip, arch)); |
1181 | 2652 } |
2653 | |
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2654 DEFMETHODX ("feof", Ffeof, interp, args, , |
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2655 doc: /* -*- texinfo -*- |
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2656 @deftypefn {} {@var{status} =} feof (@var{fid}) |
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2657 Return 1 if an end-of-file condition has been encountered for the file |
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2658 specified by file descriptor @var{fid} and 0 otherwise. |
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2659 |
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2660 Note that @code{feof} will only return 1 if the end of the file has already |
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2661 been encountered, not if the next read operation will result in an |
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2662 end-of-file condition. |
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2663 @seealso{fread, frewind, fseek, fclear, fopen} |
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2664 @end deftypefn */) |
529 | 2665 { |
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|
2666 if (args.length () != 1) |
5823 | 2667 print_usage (); |
444 | 2668 |
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2669 octave::stream_list& streams = interp.get_stream_list (); |
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|
2670 |
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2671 octave::stream os = streams.lookup (args(0), "feof"); |
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|
2672 |
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Rik <rik@octave.org>
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|
2673 return ovl (os.eof () ? 1.0 : 0.0); |
444 | 2674 } |
2675 | |
23738
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2676 DEFMETHODX ("ferror", Fferror, interp, args, , |
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2677 doc: /* -*- texinfo -*- |
21966
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2678 @deftypefn {} {@var{msg} =} ferror (@var{fid}) |
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2679 @deftypefnx {} {[@var{msg}, @var{err}] =} ferror (@var{fid}) |
22725
37e53505e2eb
doc: Use Texinfo dots macro to create ellipses.
Rik <rik@octave.org>
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22720
diff
changeset
|
2680 @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
|
2681 Query the error status of the stream specified by file descriptor @var{fid}. |
21966
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2682 |
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2683 If an error condition exists then return a string @var{msg} describing the |
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2684 error. Otherwise, return an empty string @qcode{""}. |
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2685 |
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2686 The second input @qcode{"clear"} is optional. If supplied, the error |
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2687 state on the stream will be cleared. |
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2688 |
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2689 The optional second output is a numeric indication of the error status. |
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2690 @var{err} is 1 if an error condition has been encountered and 0 otherwise. |
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2691 |
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2692 Note that @code{ferror} indicates if an error has already occurred, not |
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2693 whether the next operation will result in an error condition. |
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2694 @seealso{fclear, fopen} |
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2695 @end deftypefn */) |
1230 | 2696 { |
2095 | 2697 int nargin = args.length (); |
1230 | 2698 |
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2699 if (nargin < 1 || nargin > 2) |
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|
2700 print_usage (); |
1230 | 2701 |
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2702 octave::stream_list& streams = interp.get_stream_list (); |
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2703 |
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2704 octave::stream os = streams.lookup (args(0), "ferror"); |
1230 | 2705 |
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2706 bool clear = false; |
2095 | 2707 |
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2708 if (nargin == 2) |
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2709 { |
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2710 std::string opt = args(1).string_value (); |
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2711 |
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2712 clear = (opt == "clear"); |
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2713 } |
1755 | 2714 |
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2715 int error_number = 0; |
1230 | 2716 |
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2717 std::string error_message = os.error (clear, error_number); |
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2718 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
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|
2719 return ovl (error_message, error_number); |
1230 | 2720 } |
2721 | |
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2722 DEFMETHODX ("popen", Fpopen, interp, args, , |
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2723 doc: /* -*- texinfo -*- |
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2724 @deftypefn {} {@var{fid} =} popen (@var{command}, @var{mode}) |
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2725 Start a process and create a pipe. |
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2726 |
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2727 The name of the command to run is given by @var{command}. The argument |
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diff
changeset
|
2728 @var{mode} may be |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2729 |
22720
766b0163b3b7
doc: Don't create @tables of type @code with @qcode entries.
Rik <rik@octave.org>
parents:
22511
diff
changeset
|
2730 @table @asis |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2731 @item @qcode{"r"} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2732 The pipe will be connected to the standard output of the process, and |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2733 open for reading. |
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parents:
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diff
changeset
|
2734 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2735 @item @qcode{"w"} |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2736 The pipe will be connected to the standard input of the process, and |
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
|
2737 open for writing. |
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
|
2738 @end table |
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diff
changeset
|
2739 |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2740 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
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|
2741 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
|
2742 |
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
|
2743 For example: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2744 |
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
|
2745 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2746 @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
changeset
|
2747 fid = popen ("ls -ltr / | tail -3", "r"); |
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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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|
2748 while (ischar (s = fgets (fid))) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2749 fputs (stdout, s); |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2750 endwhile |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2751 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
2752 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc |
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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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|
2753 @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
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|
2754 @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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|
2755 @end group |
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move docstrings in C++ files out of C strings and into comments
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|
2756 @end example |
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move docstrings in C++ files out of C strings and into comments
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|
2757 @seealso{popen2} |
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move docstrings in C++ files out of C strings and into comments
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|
2758 @end deftypefn */) |
1230 | 2759 { |
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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|
2760 if (args.length () != 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2761 print_usage (); |
1230 | 2762 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2763 std::string name = args(0).xstring_value ("popen: COMMAND must be a string"); |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
2764 std::string mode = args(1).xstring_value ("popen: MODE must be a string"); |
1230 | 2765 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2766 octave_value retval; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2767 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2768 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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|
2769 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2770 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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|
2771 { |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2772 octave::stream ips = octave_iprocstream::create (name); |
b98ebcd7f11c
move some octave stream classes into octave namespace
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|
2773 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2774 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
|
2775 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
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|
2776 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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|
2777 { |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2778 octave::stream ops = octave_oprocstream::create (name); |
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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22837
diff
changeset
|
2779 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2780 retval = streams.insert (ops); |
2095 | 2781 } |
1230 | 2782 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2783 error ("popen: invalid MODE specified"); |
1230 | 2784 |
2785 return retval; | |
2786 } | |
2787 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2788 DEFMETHODX ("pclose", Fpclose, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2789 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2790 @deftypefn {} {} pclose (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2791 Close a file identifier that was opened by @code{popen}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2792 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2793 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
changeset
|
2794 @seealso{fclose, popen} |
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
|
2795 @end deftypefn */) |
1230 | 2796 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2797 if (args.length () != 1) |
5823 | 2798 print_usage (); |
1379 | 2799 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2800 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
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|
2801 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2802 return ovl (streams.remove (args(0), "pclose")); |
1379 | 2803 } |
2804 | |
19278
6ca096827123
Use tempname() rather than tmpnam() in core Octave.
Rik <rik@octave.org>
parents:
19268
diff
changeset
|
2805 DEFUN (tempname, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2806 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2807 @deftypefn {} {@var{fname} =} tempname () |
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
|
2808 @deftypefnx {} {@var{fname} =} tempname (@var{dir}) |
112b20240c87
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diff
changeset
|
2809 @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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parents:
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diff
changeset
|
2810 Return a unique temporary filename as a string. |
112b20240c87
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parents:
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diff
changeset
|
2811 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2812 If @var{prefix} is omitted, a value of @qcode{"oct-"} is used. |
112b20240c87
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diff
changeset
|
2813 |
112b20240c87
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parents:
21942
diff
changeset
|
2814 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
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diff
changeset
|
2815 (@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
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parents:
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diff
changeset
|
2816 otherwise the default directory for temporary files is used. |
112b20240c87
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parents:
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diff
changeset
|
2817 |
112b20240c87
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parents:
21942
diff
changeset
|
2818 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
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parents:
21942
diff
changeset
|
2819 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
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parents:
21942
diff
changeset
|
2820 by the time your program attempts to open it. If this is a concern, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2821 see @code{tmpfile}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2822 @seealso{mkstemp, tempdir, P_tmpdir, tmpfile} |
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John W. Eaton <jwe@octave.org>
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diff
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|
2823 @end deftypefn */) |
1802 | 2824 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2825 int nargin = args.length (); |
2936 | 2826 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2827 if (nargin > 2) |
5823 | 2828 print_usage (); |
1802 | 2829 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2830 std::string dir; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2831 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2832 if (nargin > 0) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2833 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
|
2834 else |
1e81abd0314a
tempname: respect the value of $TMPDIR if set, be consistent with tempdir
Mike Miller <mtmiller@octave.org>
parents:
22489
diff
changeset
|
2835 dir = octave::sys::env::getenv ("TMPDIR"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2836 |
2d6ddb2b157c
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20785
diff
changeset
|
2837 std::string pfx ("oct-"); |
2d6ddb2b157c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2838 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2839 if (nargin > 1) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2840 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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changeset
|
2841 |
21733
cb0fdd941d84
use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
2842 return ovl (octave::sys::tempnam (dir, pfx)); |
1802 | 2843 } |
2844 | |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2845 /* |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2846 %!test |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2847 %! envvar = {"TMPDIR", "TMP"}; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2848 %! 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
|
2849 %! unwind_protect |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2850 %! 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
|
2851 %! envname = "TMPDIR"; |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2852 %! def_tmpdir = P_tmpdir; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2853 %! ## 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
|
2854 %! 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
|
2855 %! def_tmpdir(end) = []; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2856 %! endwhile |
276eca875721
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Rik <rik@octave.org>
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24534
diff
changeset
|
2857 %! |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2858 %! ## 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
|
2859 %! fname = tempname (); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2860 %! [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
|
2861 %! 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
|
2862 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2863 %! ## 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
|
2864 %! 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
|
2865 %! 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
|
2866 %! 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
|
2867 %! fname = tempname (tmp_tmpdir); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2868 %! [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
|
2869 %! 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
|
2870 %! 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
|
2871 %! ## 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
|
2872 %! fname = tempname (""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2873 %! [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
|
2874 %! 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
|
2875 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2876 %! ## 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
|
2877 %! fname = tempname (tmp_tmpdir, "pfx-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2878 %! [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
|
2879 %! 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
|
2880 %! 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
|
2881 %! ## 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
|
2882 %! fname = tempname (tmp_tmpdir, ""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2883 %! [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
|
2884 %! 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
|
2885 %! 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
|
2886 %! unwind_protect_cleanup |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2887 %! rmdir (tmp_tmpdir); |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2888 %! 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
|
2889 %! if (isempty (envdir{i})) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2890 %! unsetenv (envvar{i}); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2891 %! else |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2892 %! 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
|
2893 %! endif |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2894 %! endfor |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2895 %! 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
|
2896 */ |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2897 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2898 DEFMETHOD (tmpfile, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2899 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
|
2900 @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
|
2901 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
|
2902 name. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2903 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2904 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
|
2905 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
|
2906 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2907 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
|
2908 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
|
2909 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
|
2910 @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
|
2911 @end deftypefn */) |
4326 | 2912 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2913 if (args.length () != 0) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2914 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2915 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2916 octave_value_list retval; |
4326 | 2917 |
21991
80659e58609f
provide wrapper for tmpfile (bug #48337)
John W. Eaton <jwe@octave.org>
parents:
21966
diff
changeset
|
2918 FILE *fid = octave_tmpfile_wrapper (); |
4326 | 2919 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2920 if (fid) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2921 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2922 std::string nm; |
4326 | 2923 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2924 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b"); |
4326 | 2925 |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2926 octave::stream s = octave_stdiostream::create (nm, fid, md); |
4326 | 2927 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2928 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
|
2929 { |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2930 fclose (fid); |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2931 |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2932 error ("tmpfile: failed to create octave_stdiostream object"); |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2933 } |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2934 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2935 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2936 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2937 retval = ovl (streams.insert (s), ""); |
4326 | 2938 } |
2939 else | |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2940 retval = ovl (-1, std::strerror (errno)); |
4326 | 2941 |
2942 return retval; | |
2943 } | |
2944 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2945 DEFMETHOD (mkstemp, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2946 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
|
2947 @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
|
2948 @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
|
2949 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
|
2950 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
|
2951 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2952 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
|
2953 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
|
2954 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
|
2955 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
|
2956 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
|
2957 @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
|
2958 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2959 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
|
2960 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
|
2961 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2962 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
|
2963 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
|
2964 @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
|
2965 message. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2966 @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
|
2967 @end deftypefn */) |
4326 | 2968 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2969 int nargin = args.length (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2970 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2971 if (nargin < 1 || nargin > 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2972 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2973 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2974 std::string tmpl8 = args(0).xstring_value ("mkstemp: TEMPLATE argument must be a string"); |
4326 | 2975 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2976 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
|
2977 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2978 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
|
2979 strcpy (tmp, tmpl8.c_str ()); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2980 |
21888
00f1249f2483
create wrappers for some gnulib functions
John W. Eaton <jwe@octave.org>
parents:
21852
diff
changeset
|
2981 int fd = octave_mkostemp_wrapper (tmp); |
4326 | 2982 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2983 if (fd < 0) |
4326 | 2984 { |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2985 retval(0) = fd; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
2986 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
|
2987 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2988 else |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2989 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2990 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
|
2991 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2992 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
|
2993 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2994 if (! fid) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2995 { |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2996 retval(0) = -1; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
2997 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
|
2998 } |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2999 else |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3000 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3001 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
|
3002 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3003 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
|
3004 |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
3005 octave::stream s = octave_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
|
3006 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3007 if (! s) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3008 error ("mkstemp: failed to create octave_stdiostream object"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3009 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3010 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3011 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3012 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
|
3013 retval(1) = nm; |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3014 |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
3015 if (nargin == 2 && args(1).is_true ()) |
27542
b8aa62c1deb5
eliminate global tmp_files variable
John W. Eaton <jwe@octave.org>
parents:
27424
diff
changeset
|
3016 interp.mark_for_deletion (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
3017 } |
4326 | 3018 } |
3019 | |
3020 return retval; | |
3021 } | |
3022 | |
20200
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
3023 // 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
|
3024 // Maybe change to be a general utility routine. |
1400 | 3025 static int |
3026 convert (int x, int ibase, int obase) | |
3027 { | |
3028 int retval = 0; | |
3029 | |
3030 int tmp = x % obase; | |
3031 | |
3032 if (tmp > ibase - 1) | |
20428
7ac907da9fba
Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents:
20200
diff
changeset
|
3033 error ("umask: invalid digit"); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3034 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3035 retval = tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3036 int mult = ibase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3037 while ((x = (x - tmp) / obase)) |
1400 | 3038 { |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3039 tmp = x % obase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3040 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3041 if (tmp > ibase - 1) |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3042 error ("umask: invalid digit"); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3043 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3044 retval += mult * tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3045 mult *= ibase; |
1400 | 3046 } |
3047 | |
3048 return retval; | |
3049 } | |
3050 | |
10197
4d433bd2d4dc
attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
3051 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
|
3052 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
|
3053 @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
|
3054 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
|
3055 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3056 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
|
3057 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3058 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
|
3059 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
|
3060 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3061 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
|
3062 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
|
3063 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
|
3064 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
|
3065 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
|
3066 @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
|
3067 @end deftypefn */) |
1400 | 3068 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3069 if (args.length () != 1) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3070 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3071 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3072 int mask = args(0).xint_value ("umask: MASK must be an integer"); |
1400 | 3073 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3074 if (mask < 0) |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3075 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
|
3076 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3077 int oct_mask = convert (mask, 8, 10); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3078 |
21733
cb0fdd941d84
use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
3079 int status = convert (octave::sys::umask (oct_mask), 10, 8); |
1400 | 3080 |
3081 if (status >= 0) | |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3082 return ovl (status); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3083 else |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
3084 return ovl (); |
1400 | 3085 } |
3086 | |
5749 | 3087 static octave_value |
6483 | 3088 const_value (const char *, const octave_value_list& args, int val) |
2189 | 3089 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3090 if (args.length () != 0) |
5823 | 3091 print_usage (); |
5749 | 3092 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3093 return octave_value (val); |
5749 | 3094 } |
3095 | |
3096 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
|
3097 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
|
3098 @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
|
3099 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
|
3100 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
|
3101 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3102 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
|
3103 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
|
3104 @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
|
3105 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
|
3106 @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
|
3107 @end deftypefn */) |
5749 | 3108 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3109 if (args.length () != 0) |
5823 | 3110 print_usage (); |
5749 | 3111 |
25649
85c3e315bd43
move libinterp/corefcn/sysdep functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
3112 return ovl (octave::get_P_tmpdir ()); |
5749 | 3113 } |
2341 | 3114 |
5749 | 3115 // 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
|
3116 // this way for Matlab compatibility. |
5749 | 3117 |
3118 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
|
3119 doc: /* -*- texinfo -*- |
25032
a1e391e33004
doc: grammarcheck documentation again ahead of 4.4 release.
Rik <rik@octave.org>
parents:
25005
diff
changeset
|
3120 @deftypefn {} {} SEEK_SET () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3121 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
|
3122 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
|
3123 @seealso{SEEK_CUR, SEEK_END, fseek} |
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3124 @end deftypefn */) |
5749 | 3125 { |
3126 return const_value ("SEEK_SET", args, -1); | |
3127 } | |
2189 | 3128 |
5749 | 3129 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, , |
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3130 doc: /* -*- texinfo -*- |
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3131 @deftypefn {} {} SEEK_CUR () |
25005
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doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
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3132 Return the numerical value to pass to @code{fseek} to position the file pointer |
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3133 relative to the current position. |
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3134 @seealso{SEEK_SET, SEEK_END, fseek} |
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3135 @end deftypefn */) |
5749 | 3136 { |
3137 return const_value ("SEEK_CUR", args, 0); | |
3138 } | |
2189 | 3139 |
5749 | 3140 DEFUNX ("SEEK_END", FSEEK_END, args, , |
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3141 doc: /* -*- texinfo -*- |
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3142 @deftypefn {} {} SEEK_END () |
25005
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3143 Return the numerical value to pass to @code{fseek} to position the file pointer |
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|
3144 relative to the end of the file. |
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3145 @seealso{SEEK_SET, SEEK_CUR, fseek} |
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3146 @end deftypefn */) |
5749 | 3147 { |
3148 return const_value ("SEEK_END", args, 1); | |
3149 } | |
3150 | |
3151 static octave_value | |
6483 | 3152 const_value (const char *, const octave_value_list& args, |
10315
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untabify src C++ source files
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|
3153 const octave_value& val) |
5749 | 3154 { |
20805
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eliminate return statements after calls to print_usage
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3155 if (args.length () != 0) |
5823 | 3156 print_usage (); |
5749 | 3157 |
20805
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3158 return octave_value (val); |
5749 | 3159 } |
3160 | |
23738
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3161 DEFMETHODX ("stdin", Fstdin, interp, args, , |
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3162 doc: /* -*- texinfo -*- |
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3163 @deftypefn {} {} stdin () |
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3164 Return the numeric value corresponding to the standard input stream. |
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3165 |
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3166 When Octave is used interactively, stdin is filtered through the command |
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3167 line editing functions. |
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3168 @seealso{stdout, stderr} |
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3169 @end deftypefn */) |
5749 | 3170 { |
23738
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3171 octave::stream_list& streams = interp.get_stream_list (); |
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3172 |
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3173 return const_value ("stdin", args, streams.stdin_file ()); |
5749 | 3174 } |
2189 | 3175 |
23738
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3176 DEFMETHODX ("stdout", Fstdout, interp, args, , |
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3177 doc: /* -*- texinfo -*- |
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3178 @deftypefn {} {} stdout () |
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3179 Return the numeric value corresponding to the standard output stream. |
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3180 |
24801
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Change default status of pager to "off" (bug #53217).
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|
3181 Data written to the standard output may be filtered through the pager. |
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3182 @seealso{stdin, stderr, page_screen_output} |
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3183 @end deftypefn */) |
5749 | 3184 { |
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3185 octave::stream_list& streams = interp.get_stream_list (); |
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3186 |
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3187 return const_value ("stdout", args, streams.stdout_file ()); |
5749 | 3188 } |
2189 | 3189 |
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3190 DEFMETHODX ("stderr", Fstderr, interp, args, , |
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3191 doc: /* -*- texinfo -*- |
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3192 @deftypefn {} {} stderr () |
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3193 Return the numeric value corresponding to the standard error stream. |
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3194 |
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3195 Even if paging is turned on, the standard error is not sent to the pager. |
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3196 It is useful for error messages and prompts. |
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3197 @seealso{stdin, stdout} |
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3198 @end deftypefn */) |
5749 | 3199 { |
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3200 octave::stream_list& streams = interp.get_stream_list (); |
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3201 |
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3202 return const_value ("stderr", args, streams.stderr_file ()); |
2189 | 3203 } |
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3204 |
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|
3205 // Deprecated variables and functions. |
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3206 |
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3207 // Deprecated in Octave 6. |
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|
3208 void |
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3209 mark_for_deletion (const std::string& file) |
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|
3210 { |
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3211 octave::interpreter& interp |
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3212 = octave::__get_interpreter__ ("mark_for_deletion"); |
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3213 |
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3214 interp.mark_for_deletion (file); |
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3215 } |
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3216 |
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3217 // Deprecated in Octave 6. |
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3218 void |
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3219 cleanup_tmp_files (void) |
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3220 { |
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3221 octave::interpreter& interp |
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3222 = octave::__get_interpreter__ ("cleanup_tmp_files"); |
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3223 |
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3224 interp.cleanup_tmp_files (); |
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3225 } |