Mercurial > octave
annotate libinterp/corefcn/file-io.cc @ 26376:00f796120a6d stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 02 Jan 2019 16:32:43 -0500 |
parents | 85c3e315bd43 |
children | 3f3677540634 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2019 John W. Eaton |
1 | 4 |
5 This file is part of Octave. | |
6 | |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
1 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
1 | 20 |
21 */ | |
22 | |
2095 | 23 // Originally written by John C. Campbell <jcc@bevo.che.wisc.edu> |
1230 | 24 // |
2095 | 25 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of |
26 // the following functions: | |
1230 | 27 // |
2095 | 28 // popen |
29 // pclose | |
30 // execute (now popen2.m) | |
31 // sync_system (now merged with system) | |
32 // async_system (now merged with system) | |
1230 | 33 |
9322 | 34 // Extensively revised by John W. Eaton <jwe@octave.org>, |
2095 | 35 // April 1996. |
1 | 36 |
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37 #if defined (HAVE_CONFIG_H) |
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38 # include "config.h" |
1 | 39 #endif |
40 | |
4797 | 41 #include <cerrno> |
42 #include <cstdio> | |
1343 | 43 |
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44 #include <iomanip> |
7336 | 45 #include <stack> |
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46 #include <string> |
4726 | 47 #include <vector> |
1350 | 48 |
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49 #if defined (HAVE_ZLIB_H) |
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50 # include <zlib.h> |
5325 | 51 #endif |
52 | |
2926 | 53 #include "file-ops.h" |
6159 | 54 #include "file-stat.h" |
5102 | 55 #include "lo-ieee.h" |
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56 #include "mkostemp-wrapper.h" |
6159 | 57 #include "oct-env.h" |
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58 #include "oct-locbuf.h" |
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59 #include "tmpfile-wrapper.h" |
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60 #include "unistd-wrappers.h" |
2926 | 61 |
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62 #include "builtin-defun-decls.h" |
1352 | 63 #include "defun.h" |
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64 #include "error.h" |
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65 #include "errwarn.h" |
6108 | 66 #include "file-io.h" |
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67 #include "interpreter.h" |
6159 | 68 #include "load-path.h" |
2095 | 69 #include "oct-fstrm.h" |
70 #include "oct-iostrm.h" | |
1377 | 71 #include "oct-map.h" |
2095 | 72 #include "oct-prcstrm.h" |
73 #include "oct-stream.h" | |
74 #include "oct-strstrm.h" | |
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75 #include "ov.h" |
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76 #include "ovl.h" |
1 | 77 #include "pager.h" |
444 | 78 #include "sysdep.h" |
1352 | 79 #include "utils.h" |
2370 | 80 #include "variables.h" |
1583 | 81 |
5102 | 82 // List of files to delete when we exit or crash. |
83 // | |
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84 // FIXME: this should really be static, |
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85 // but that causes problems on some systems. |
5102 | 86 std::stack <std::string> tmp_files; |
87 | |
88 void | |
89 mark_for_deletion (const std::string& file) | |
90 { | |
91 tmp_files.push (file); | |
92 } | |
93 | |
94 void | |
95 cleanup_tmp_files (void) | |
96 { | |
97 while (! tmp_files.empty ()) | |
98 { | |
99 std::string filename = tmp_files.top (); | |
100 tmp_files.pop (); | |
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101 octave_unlink_wrapper (filename.c_str ()); |
5102 | 102 } |
103 } | |
104 | |
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105 static void |
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106 normalize_fopen_mode (std::string& mode, bool& use_zlib) |
1 | 107 { |
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108 use_zlib = false; |
896 | 109 |
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110 if (! mode.empty ()) |
368 | 111 { |
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112 // Matlab uses 'A' and 'W' to indicate that buffered writing should |
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113 // take place. Octave already does that. Theoretically, we should |
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114 // warn about using 'a', 'r', or 'w' because Octave does not enable |
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115 // automatic flushing with these modes. The performance hit is ~4X |
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116 // when using automatic flushing and seems completely unnecessary. |
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117 // See bug #52644. |
7078 | 118 |
119 size_t pos = mode.find ('W'); | |
120 | |
8021 | 121 if (pos != std::string::npos) |
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122 mode[pos] = 'w'; |
7078 | 123 |
124 pos = mode.find ('R'); | |
125 | |
8021 | 126 if (pos != std::string::npos) |
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127 mode[pos] = 'r'; |
7078 | 128 |
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129 pos = mode.find ('A'); |
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130 |
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131 if (pos != std::string::npos) |
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132 mode[pos] = 'a'; |
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133 |
7078 | 134 pos = mode.find ('z'); |
5325 | 135 |
8021 | 136 if (pos != std::string::npos) |
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137 { |
5325 | 138 #if defined (HAVE_ZLIB) |
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139 use_zlib = true; |
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140 mode.erase (pos, 1); |
5325 | 141 #else |
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142 err_disabled_feature ("", "gzipped files (zlib)"); |
5325 | 143 #endif |
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144 } |
5325 | 145 |
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146 // Use binary mode if 't' is not specified, but don't add |
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147 // 'b' if it is already present. |
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148 |
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149 size_t bpos = mode.find ('b'); |
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150 size_t tpos = mode.find ('t'); |
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151 |
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152 if (bpos == std::string::npos && tpos == std::string::npos) |
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153 mode += 'b'; |
1 | 154 } |
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155 } |
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156 |
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157 static std::ios::openmode |
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158 fopen_mode_to_ios_mode (const std::string& mode) |
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159 { |
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160 std::ios::openmode retval = std::ios::in; |
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161 |
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162 if (mode == "rt") |
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163 retval = std::ios::in; |
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164 else if (mode == "wt") |
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165 retval = std::ios::out | std::ios::trunc; |
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166 else if (mode == "at") |
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167 retval = std::ios::out | std::ios::app; |
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168 else if (mode == "r+t" || mode == "rt+") |
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169 retval = std::ios::in | std::ios::out; |
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170 else if (mode == "w+t" || mode == "wt+") |
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171 retval = std::ios::in | std::ios::out | std::ios::trunc; |
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172 else if (mode == "a+t" || mode == "at+") |
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173 retval = std::ios::in | std::ios::out | std::ios::app; |
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174 else if (mode == "rb" || mode == "r") |
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175 retval = std::ios::in | std::ios::binary; |
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176 else if (mode == "wb" || mode == "w") |
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177 retval = std::ios::out | std::ios::trunc | std::ios::binary; |
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178 else if (mode == "ab" || mode == "a") |
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179 retval = std::ios::out | std::ios::app | std::ios::binary; |
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180 else if (mode == "r+b" || mode == "rb+" || mode == "r+") |
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181 retval = std::ios::in | std::ios::out | std::ios::binary; |
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182 else if (mode == "w+b" || mode == "wb+" || mode == "w+") |
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183 retval = (std::ios::in | std::ios::out | std::ios::trunc |
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184 | std::ios::binary); |
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185 else if (mode == "a+b" || mode == "ab+" || mode == "a+") |
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186 retval = (std::ios::in | std::ios::out | std::ios::app |
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187 | std::ios::binary); |
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188 else |
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189 error ("invalid mode specified"); |
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191 return retval; | |
192 } | |
193 | |
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194 DEFMETHOD (fclose, interp, args, , |
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195 doc: /* -*- texinfo -*- |
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196 @deftypefn {} {} fclose (@var{fid}) |
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197 @deftypefnx {} {} fclose ("all") |
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198 @deftypefnx {} {@var{status} =} fclose ("all") |
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199 Close the file specified by the file descriptor @var{fid}. |
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200 |
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201 If successful, @code{fclose} returns 0, otherwise, it returns -1. The |
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202 second form of the @code{fclose} call closes all open files except |
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203 @code{stdin}, @code{stdout}, @code{stderr}, and any FIDs associated |
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204 with gnuplot. |
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205 @seealso{fopen, fflush, freport} |
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206 @end deftypefn */) |
529 | 207 { |
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208 if (args.length () != 1) |
5823 | 209 print_usage (); |
1 | 210 |
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211 octave::stream_list& streams = interp.get_stream_list (); |
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212 |
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213 return ovl (streams.remove (args(0), "fclose")); |
1 | 214 } |
215 | |
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216 DEFMETHOD (fclear, interp, args, , |
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217 doc: /* -*- texinfo -*- |
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218 @deftypefn {} {} fclear (@var{fid}) |
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219 Clear the stream state for the file specified by the file descriptor |
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220 @var{fid}. |
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221 @seealso{ferror, fopen} |
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222 @end deftypefn */) |
5144 | 223 { |
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224 if (args.length () != 1) |
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225 print_usage (); |
5144 | 226 |
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227 octave::stream_list& streams = interp.get_stream_list (); |
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228 |
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229 int fid = streams.get_file_number (args(0)); |
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230 |
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231 octave::stream os = streams.lookup (fid, "fclear"); |
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232 |
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233 os.clearerr (); |
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235 return ovl (); |
5144 | 236 } |
237 | |
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238 DEFMETHOD (fflush, interp, args, , |
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239 doc: /* -*- texinfo -*- |
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240 @deftypefn {} {} fflush (@var{fid}) |
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241 Flush output to file descriptor @var{fid}. |
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242 |
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243 @code{fflush} returns 0 on success and an OS dependent error value |
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244 (@minus{}1 on Unix) on error. |
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245 |
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246 Programming Note: Flushing is useful for ensuring that all pending output |
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247 makes it to the screen before some other event occurs. For example, it is |
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248 always a good idea to flush the standard output stream before calling |
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249 @code{input}. |
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250 @seealso{fopen, fclose} |
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251 @end deftypefn */) |
1181 | 252 { |
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253 if (args.length () != 1) |
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254 print_usage (); |
1181 | 255 |
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256 octave_value retval = -1; |
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257 |
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258 octave::stream_list& streams = interp.get_stream_list (); |
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259 |
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260 // FIXME: any way to avoid special case for stdout? |
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261 int fid = streams.get_file_number (args(0)); |
2095 | 262 |
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263 if (fid == 1) |
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264 { |
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265 octave::flush_stdout (); |
2609 | 266 |
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267 retval = 0; |
2095 | 268 } |
269 else | |
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270 { |
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271 octave::stream os = streams.lookup (fid, "fflush"); |
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272 |
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273 retval = os.flush (); |
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274 } |
1181 | 275 |
276 return retval; | |
277 } | |
278 | |
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279 DEFMETHOD (fgetl, interp, args, , |
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280 doc: /* -*- texinfo -*- |
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281 @deftypefn {} {@var{str} =} fgetl (@var{fid}) |
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282 @deftypefnx {} {@var{str} =} fgetl (@var{fid}, @var{len}) |
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283 Read characters from a file, stopping after a newline, or EOF, |
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284 or @var{len} characters have been read. |
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285 |
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286 The characters read, excluding the possible trailing newline, are returned |
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287 as a string. |
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288 |
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289 If @var{len} is omitted, @code{fgetl} reads until the next newline |
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290 character. |
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291 |
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292 If there are no more characters to read, @code{fgetl} returns @minus{}1. |
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293 |
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294 To read a line and return the terminating newline see @code{fgets}. |
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295 @seealso{fgets, fscanf, fread, fopen} |
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296 @end deftypefn */) |
1339 | 297 { |
4468 | 298 static std::string who = "fgetl"; |
299 | |
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300 int nargin = args.length (); |
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301 |
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302 if (nargin < 1 || nargin > 2) |
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303 print_usage (); |
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304 |
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305 octave::stream_list& streams = interp.get_stream_list (); |
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306 |
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307 octave::stream os = streams.lookup (args(0), who); |
1339 | 308 |
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309 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
2095 | 310 |
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311 bool err = false; |
2095 | 312 |
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313 std::string tmp = os.getl (len_arg, err, who); |
2095 | 314 |
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315 if (! err) |
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316 return ovl (tmp, tmp.length ()); |
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317 else |
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318 return ovl (-1, 0); |
1339 | 319 } |
320 | |
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321 DEFMETHOD (fgets, interp, args, , |
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322 doc: /* -*- texinfo -*- |
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323 @deftypefn {} {@var{str} =} fgets (@var{fid}) |
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324 @deftypefnx {} {@var{str} =} fgets (@var{fid}, @var{len}) |
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325 Read characters from a file, stopping after a newline, or EOF, |
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326 or @var{len} characters have been read. |
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327 |
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328 The characters read, including the possible trailing newline, are returned |
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329 as a string. |
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330 |
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331 If @var{len} is omitted, @code{fgets} reads until the next newline |
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332 character. |
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333 |
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334 If there are no more characters to read, @code{fgets} returns @minus{}1. |
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335 |
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336 To read a line and discard the terminating newline see @code{fgetl}. |
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337 @seealso{fputs, fgetl, fscanf, fread, fopen} |
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338 @end deftypefn */) |
529 | 339 { |
4468 | 340 static std::string who = "fgets"; |
341 | |
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342 int nargin = args.length (); |
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343 |
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344 if (nargin < 1 || nargin > 2) |
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345 print_usage (); |
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346 |
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347 octave::stream_list& streams = interp.get_stream_list (); |
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348 |
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349 octave::stream os = streams.lookup (args(0), who); |
529 | 350 |
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351 octave_value len_arg = (nargin == 2) ? args(1) : octave_value (); |
2095 | 352 |
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353 bool err = false; |
2095 | 354 |
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355 std::string tmp = os.gets (len_arg, err, who); |
2095 | 356 |
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357 if (! err) |
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358 return ovl (tmp, tmp.length ()); |
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359 else |
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360 return ovl (-1.0, 0.0); |
529 | 361 } |
362 | |
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363 DEFMETHOD (fskipl, interp, args, , |
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364 doc: /* -*- texinfo -*- |
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365 @deftypefn {} {@var{nlines} =} fskipl (@var{fid}) |
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366 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, @var{count}) |
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367 @deftypefnx {} {@var{nlines} =} fskipl (@var{fid}, Inf) |
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368 Read and skip @var{count} lines from the file specified by the file |
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369 descriptor @var{fid}. |
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370 |
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371 @code{fskipl} discards characters until an end-of-line is encountered |
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372 exactly @var{count}-times, or until the end-of-file marker is found. |
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373 |
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374 If @var{count} is omitted, it defaults to 1. @var{count} may also be |
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375 @code{Inf}, in which case lines are skipped until the end of the file. |
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376 This form is suitable for counting the number of lines in a file. |
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377 |
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378 Returns the number of lines skipped (end-of-line sequences encountered). |
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379 @seealso{fgetl, fgets, fscanf, fopen} |
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380 @end deftypefn */) |
9701 | 381 { |
382 static std::string who = "fskipl"; | |
383 | |
384 int nargin = args.length (); | |
385 | |
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386 if (nargin < 1 || nargin > 2) |
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387 print_usage (); |
9701 | 388 |
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389 octave::stream_list& streams = interp.get_stream_list (); |
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390 |
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391 octave::stream os = streams.lookup (args(0), who); |
9701 | 392 |
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393 octave_value count_arg = (nargin == 2) ? args(1) : octave_value (); |
9701 | 394 |
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395 bool err = false; |
9701 | 396 |
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397 off_t tmp = os.skipl (count_arg, err, who); |
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398 |
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399 if (! err) |
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400 return ovl (tmp); |
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401 else |
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402 return ovl (); |
9701 | 403 } |
404 | |
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405 static octave::stream |
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406 do_stream_open (const std::string& name, const std::string& mode_arg, |
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407 const std::string& arch, int& fid) |
1 | 408 { |
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409 octave::stream retval; |
1 | 410 |
2095 | 411 fid = -1; |
1 | 412 |
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413 std::string mode = mode_arg; |
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414 bool use_zlib = false; |
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415 normalize_fopen_mode (mode, use_zlib); |
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416 |
4036 | 417 std::ios::openmode md = fopen_mode_to_ios_mode (mode); |
1 | 418 |
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419 octave::mach_info::float_format flt_fmt = |
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420 octave::mach_info::string_to_float_format (arch); |
1 | 421 |
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422 std::string fname = octave::sys::file_ops::tilde_expand (name); |
6159 | 423 |
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424 octave::sys::file_stat fs (fname); |
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425 |
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426 if (! (md & std::ios::out)) |
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427 fname = octave::find_data_file_in_load_path ("fopen", fname); |
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428 |
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429 if (! fs.is_dir ()) |
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430 { |
6905 | 431 #if defined (HAVE_ZLIB) |
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432 if (use_zlib) |
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433 { |
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434 FILE *fptr = std::fopen (fname.c_str (), mode.c_str ()); |
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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 ()); |
5325 | 439 |
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440 if (fptr) |
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441 retval = octave_zstdiostream::create (fname, gzf, fd, |
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442 md, flt_fmt); |
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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 = std::fopen (fname.c_str (), mode.c_str ()); |
5370 | 450 |
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451 retval = octave_stdiostream::create (fname, fptr, md, |
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452 flt_fmt); |
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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 char *fcn, int& fid) |
2095 | 466 { |
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467 octave::stream retval; |
2095 | 468 |
469 fid = -1; | |
470 | |
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471 std::string name = tc_name.xstring_value ("%s: filename must be a string", fcn); |
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472 std::string mode = tc_mode.xstring_value ("%s: file mode must be a string", fcn); |
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473 std::string arch = tc_arch.xstring_value ("%s: architecture type must be a string", fcn); |
1 | 474 |
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475 retval = do_stream_open (name, mode, arch, fid); |
1 | 476 |
477 return retval; | |
478 } | |
479 | |
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480 DEFMETHOD (fopen, interp, args, nargout, |
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481 doc: /* -*- texinfo -*- |
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482 @deftypefn {} {@var{fid} =} fopen (@var{name}) |
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483 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}) |
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484 @deftypefnx {} {@var{fid} =} fopen (@var{name}, @var{mode}, @var{arch}) |
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485 @deftypefnx {} {[@var{fid}, @var{msg}] =} fopen (@dots{}) |
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486 @deftypefnx {} {@var{fid_list} =} fopen ("all") |
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487 @deftypefnx {} {[@var{file}, @var{mode}, @var{arch}] =} fopen (@var{fid}) |
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488 Open a file for low-level I/O or query open files and file descriptors. |
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489 |
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490 The first form of the @code{fopen} function opens the named file with |
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491 the specified mode (read-write, read-only, etc.@:) and architecture |
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492 interpretation (IEEE big endian, IEEE little endian, etc.), and returns |
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493 an integer value that may be used to refer to the file later. If an |
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494 error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the |
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495 corresponding system error message. The @var{mode} is a one or two |
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496 character string that specifies whether the file is to be opened for |
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497 reading, writing, or both. |
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498 |
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499 The second form of the @code{fopen} function returns a vector of file ids |
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500 corresponding to all the currently open files, excluding the |
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501 @code{stdin}, @code{stdout}, and @code{stderr} streams. |
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502 |
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503 The third form of the @code{fopen} function returns information about the |
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504 open file given its file id. |
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505 |
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506 For example, |
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507 |
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508 @example |
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509 myfile = fopen ("splat.dat", "r", "ieee-le"); |
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510 @end example |
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511 |
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512 @noindent |
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513 opens the file @file{splat.dat} for reading. If necessary, binary |
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514 numeric values will be read assuming they are stored in IEEE format with |
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515 the least significant bit first, and then converted to the native |
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516 representation. |
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517 |
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518 Opening a file that is already open simply opens it again and returns a |
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519 separate file id. It is not an error to open a file several times, |
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520 though writing to the same file through several different file ids may |
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521 produce unexpected results. |
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522 |
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523 The possible values of @var{mode} are |
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524 |
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525 @table @asis |
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526 @item @samp{r} (default) |
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527 Open a file for reading. |
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528 |
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529 @item @samp{w} |
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530 Open a file for writing. The previous contents are discarded. |
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531 |
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532 @item @samp{a} |
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533 Open or create a file for writing at the end of the file. |
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534 |
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535 @item @samp{r+} |
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536 Open an existing file for reading and writing. |
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537 |
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538 @item @samp{w+} |
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539 Open a file for reading or writing. The previous contents are |
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540 discarded. |
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541 |
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542 @item @samp{a+} |
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543 Open or create a file for reading or writing at the end of the |
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544 file. |
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545 @end table |
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546 |
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547 Append a @qcode{"t"} to the mode string to open the file in text mode or a |
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548 @qcode{"b"} to open in binary mode. On Windows systems, |
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549 text mode reading and writing automatically converts linefeeds to the |
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550 appropriate line end character for the system (carriage-return linefeed on |
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551 Windows). The default when no mode is specified is binary. |
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552 |
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553 Additionally, you may append a @qcode{"z"} to the mode string to open a |
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554 gzipped file for reading or writing. For this to be successful, you |
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555 must also open the file in binary mode. |
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556 |
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557 The parameter @var{arch} is a string specifying the default data format |
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558 for the file. Valid values for @var{arch} are: |
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559 |
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560 @table @asis |
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561 @item @qcode{"native"} or @qcode{"n"} (default) |
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562 The format of the current machine. |
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563 |
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564 @item @qcode{"ieee-be"} or @qcode{"b"} |
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565 IEEE big endian format. |
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566 |
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567 @item @qcode{"ieee-le"} or @qcode{"l"} |
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568 IEEE little endian format. |
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569 @end table |
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570 |
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571 @noindent |
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572 However, conversions are currently only supported for @samp{native}, |
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573 @samp{ieee-be}, and @samp{ieee-le} formats. |
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574 |
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575 When opening a new file that does not yet exist, permissions will be set to |
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576 @code{0666 - @var{umask}}. |
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577 |
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578 Compatibility Note: Octave opens files using buffered I/O. Small writes are |
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579 accumulated until an internal buffer is filled, and then everything is written |
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580 in a single operation. This is very efficient and improves performance. |
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581 @sc{matlab}, however, opens files using flushed I/O where every write operation |
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582 is immediately performed. If the write operation must be performed immediately |
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583 after data has been written then the write should be followed by a call to |
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584 @code{fflush} to flush the internal buffer. |
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585 @seealso{fclose, fgets, fgetl, fscanf, fread, fputs, fdisp, fprintf, fwrite, fskipl, fseek, frewind, ftell, feof, ferror, fclear, fflush, freport, umask} |
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586 @end deftypefn */) |
529 | 587 { |
588 int nargin = args.length (); | |
589 | |
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590 if (nargin < 1 || nargin > 3) |
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591 print_usage (); |
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592 |
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593 octave_value_list retval = ovl (-1.0); |
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594 |
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595 octave::stream_list& streams = interp.get_stream_list (); |
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596 |
2095 | 597 if (nargin == 1) |
598 { | |
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Correctly allow single string input form of fopen() (Bug #33535).
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599 if (args(0).is_string ()) |
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600 { |
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601 // If there is only one argument and it is a string but it |
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602 // is not the string "all", we assume it is a file to open |
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603 // with MODE = "r". To open a file called "all", you have |
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604 // to supply more than one argument. |
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605 if (nargout < 2 && args(0).string_value () == "all") |
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606 return streams.open_file_numbers (); |
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607 } |
2095 | 608 else |
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609 { |
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610 string_vector tmp = streams.get_info (args(0)); |
529 | 611 |
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612 retval = ovl (tmp(0), tmp(1), tmp(2)); |
3263 | 613 |
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614 return retval; |
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615 } |
1 | 616 } |
617 | |
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618 octave_value mode = (nargin == 2 || nargin == 3) |
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619 ? args(1) : octave_value ("r"); |
2095 | 620 |
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621 octave_value arch = (nargin == 3) |
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622 ? args(2) : octave_value ("native"); |
2095 | 623 |
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624 int fid = -1; |
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625 |
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626 octave::stream os = do_stream_open (args(0), mode, arch, "fopen", fid); |
5370 | 627 |
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628 if (os) |
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629 retval = ovl (streams.insert (os), ""); |
2095 | 630 else |
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631 { |
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632 int error_number = 0; |
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633 |
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634 retval = ovl (-1.0, os.error (false, error_number)); |
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635 } |
1 | 636 |
637 return retval; | |
638 } | |
639 | |
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640 /* |
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641 ## FIXME: Only have tests for query mode. Need others for regular fopen call. |
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642 %!test # Uses hardcoded value of 1 for stdout |
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643 %! [name, mode, arch] = fopen (1); |
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644 %! assert (name, "stdout"); |
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645 %! assert (mode, "w"); |
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646 |
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647 %!test # Query of non-existent stream returns all "" |
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648 %! [name, mode, arch] = fopen (-1); |
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649 %! assert (name, ""); |
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650 %! assert (mode, ""); |
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651 %! assert (arch, ""); |
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652 */ |
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653 |
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654 DEFMETHOD (freport, interp, args, , |
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655 doc: /* -*- texinfo -*- |
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656 @deftypefn {} {} freport () |
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657 Print a list of which files have been opened, and whether they are open |
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658 for reading, writing, or both. |
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659 |
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660 For example: |
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661 |
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662 @example |
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663 @group |
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664 freport () |
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665 |
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666 @print{} number mode arch name |
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667 @print{} ------ ---- ---- ---- |
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668 @print{} 0 r ieee-le stdin |
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669 @print{} 1 w ieee-le stdout |
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670 @print{} 2 w ieee-le stderr |
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671 @print{} 3 r ieee-le myfile |
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672 @end group |
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673 @end example |
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674 @seealso{fopen, fclose, is_valid_file_id} |
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675 @end deftypefn */) |
1181 | 676 { |
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677 if (args.length () > 0) |
1181 | 678 warning ("freport: ignoring extra arguments"); |
679 | |
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680 octave::stream_list& streams = interp.get_stream_list (); |
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681 |
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682 octave_stdout << streams.list_open_files (); |
1181 | 683 |
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684 return ovl (); |
1181 | 685 } |
686 | |
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687 DEFMETHOD (frewind, interp, args, nargout, |
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688 doc: /* -*- texinfo -*- |
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689 @deftypefn {} {} frewind (@var{fid}) |
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690 @deftypefnx {} {@var{status} =} frewind (@var{fid}) |
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691 Move the file pointer to the beginning of the file specified by file |
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692 descriptor @var{fid}. |
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693 |
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694 @code{frewind} returns 0 for success, and -1 if an error is encountered. It |
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695 is equivalent to @code{fseek (@var{fid}, 0, SEEK_SET)}. |
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696 @seealso{fseek, ftell, fopen} |
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697 @end deftypefn */) |
529 | 698 { |
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699 if (args.length () != 1) |
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700 print_usage (); |
506 | 701 |
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702 int result = -1; |
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703 |
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704 octave::stream_list& streams = interp.get_stream_list (); |
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705 |
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706 octave::stream os = streams.lookup (args(0), "frewind"); |
636 | 707 |
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708 result = os.rewind (); |
1 | 709 |
4715 | 710 if (nargout > 0) |
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711 return ovl (result); |
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712 else |
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713 return ovl (); |
1 | 714 } |
715 | |
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716 DEFMETHOD (fseek, interp, args, , |
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717 doc: /* -*- texinfo -*- |
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718 @deftypefn {} {} fseek (@var{fid}, @var{offset}) |
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719 @deftypefnx {} {} fseek (@var{fid}, @var{offset}, @var{origin}) |
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720 @deftypefnx {} {@var{status} =} fseek (@dots{}) |
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721 Set the file pointer to the location @var{offset} within the file @var{fid}. |
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722 |
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723 The pointer is positioned @var{offset} characters from the @var{origin}, which |
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724 may be one of the predefined variables @w{@qcode{SEEK_SET}} (beginning), |
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725 @w{@qcode{SEEK_CUR}} (current position), or @w{@qcode{SEEK_END}} (end of file) |
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726 or strings @nospell{@qcode{"bof"}}, @nospell{@qcode{"cof"}}, or |
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727 @nospell{@qcode{"eof"}}. If @var{origin} is omitted, @w{@qcode{SEEK_SET}} is |
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728 assumed. @var{offset} may be positive, negative, or zero but not all |
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729 combinations of @var{origin} and @var{offset} can be realized. |
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730 |
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731 @code{fseek} returns 0 on success and -1 on error. |
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732 @seealso{fskipl, frewind, ftell, fopen, SEEK_SET, SEEK_CUR, SEEK_END} |
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733 @end deftypefn */) |
529 | 734 { |
735 int nargin = args.length (); | |
736 | |
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737 if (nargin < 2 || nargin > 3) |
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738 print_usage (); |
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739 |
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740 octave::stream_list& streams = interp.get_stream_list (); |
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741 |
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742 octave::stream os = streams.lookup (args(0), "fseek"); |
1181 | 743 |
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744 octave_value origin_arg = (nargin == 3) ? args(2) : octave_value (-1.0); |
1 | 745 |
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746 return ovl (os.seek (args(1), origin_arg)); |
1 | 747 } |
748 | |
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749 DEFMETHOD (ftell, interp, args, , |
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750 doc: /* -*- texinfo -*- |
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751 @deftypefn {} {@var{pos} =} ftell (@var{fid}) |
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752 Return the position of the file pointer as the number of characters from the |
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753 beginning of the file specified by file descriptor @var{fid}. |
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754 @seealso{fseek, frewind, feof, fopen} |
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755 @end deftypefn */) |
1181 | 756 { |
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757 if (args.length () != 1) |
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758 print_usage (); |
506 | 759 |
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760 octave::stream_list& streams = interp.get_stream_list (); |
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761 |
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762 octave::stream os = streams.lookup (args(0), "ftell"); |
1 | 763 |
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764 return ovl (os.tell ()); |
1 | 765 } |
766 | |
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767 static octave_value_list |
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768 printf_internal (octave::interpreter& interp, const std::string& who, |
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769 const octave_value_list& args, int nargout) |
1181 | 770 { |
771 int nargin = args.length (); | |
772 | |
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773 if (! (nargin > 1 || (nargin > 0 && args(0).is_string ()))) |
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774 print_usage (); |
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775 |
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776 int result; |
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777 |
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778 octave::stream os; |
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779 int fmt_n = 0; |
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780 |
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781 octave::stream_list& streams = interp.get_stream_list (); |
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782 |
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783 if (args(0).is_string ()) |
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784 os = streams.lookup (1, who); |
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785 else |
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786 { |
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787 fmt_n = 1; |
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788 os = streams.lookup (args(0), who); |
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789 } |
2873 | 790 |
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791 if (! args(fmt_n).is_string ()) |
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792 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
1181 | 793 |
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794 octave_value_list tmp_args; |
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795 |
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796 if (nargin > 1 + fmt_n) |
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797 { |
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798 tmp_args.resize (nargin-fmt_n-1, octave_value ()); |
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|
799 |
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800 for (int i = fmt_n + 1; i < nargin; i++) |
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801 tmp_args(i-fmt_n-1) = args(i); |
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802 } |
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|
803 |
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|
804 result = os.printf (args(fmt_n), tmp_args, who); |
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|
805 |
4715 | 806 if (nargout > 0) |
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|
807 return ovl (result); |
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|
808 else |
20941
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maint: Replace "octave_value_list ()" with "ovl ()".
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|
809 return ovl (); |
1181 | 810 } |
811 | |
23738
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812 DEFMETHOD (fprintf, interp, args, nargout, |
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|
813 doc: /* -*- texinfo -*- |
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|
814 @deftypefn {} {} fprintf (@var{fid}, @var{template}, @dots{}) |
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815 @deftypefnx {} {} fprintf (@var{template}, @dots{}) |
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816 @deftypefnx {} {@var{numbytes} =} fprintf (@dots{}) |
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817 This function is equivalent to @code{printf}, except that the output is |
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818 written to the file descriptor @var{fid} instead of @code{stdout}. |
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819 |
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820 If @var{fid} is omitted, the output is written to @code{stdout} making the |
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821 function exactly equivalent to @code{printf}. |
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822 |
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823 The optional output returns the number of bytes written to the file. |
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824 |
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825 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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826 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
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827 expanded even when the template string is defined with single quotes. |
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828 @seealso{fputs, fdisp, fwrite, fscanf, printf, sprintf, fopen} |
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829 @end deftypefn */) |
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830 { |
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831 static std::string who = "fprintf"; |
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832 |
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833 return printf_internal (interp, who, args, nargout); |
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834 } |
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835 |
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836 DEFMETHOD (printf, interp, args, nargout, |
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837 doc: /* -*- texinfo -*- |
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838 @deftypefn {} {} printf (@var{template}, @dots{}) |
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839 Print optional arguments under the control of the template string |
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840 @var{template} to the stream @code{stdout} and return the number of |
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|
841 characters printed. |
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|
842 @ifclear OCTAVE_MANUAL |
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|
843 |
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844 See the Formatted Output section of the GNU Octave manual for a |
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845 complete description of the syntax of the template string. |
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846 @end ifclear |
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847 |
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|
848 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
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849 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
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850 expanded even when the template string is defined with single quotes. |
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851 @seealso{fprintf, sprintf, scanf} |
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852 @end deftypefn */) |
21634
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853 { |
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|
854 static std::string who = "printf"; |
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855 |
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856 octave_value_list tmp_args = args; |
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857 |
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858 return printf_internal (interp, who, tmp_args.prepend (octave_value (1)), |
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|
859 nargout); |
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860 } |
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861 |
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862 static octave_value_list |
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863 puts_internal (octave::interpreter& interp, const std::string& who, |
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864 const octave_value_list& args) |
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865 { |
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866 if (args.length () != 2) |
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867 print_usage (); |
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868 |
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869 octave::stream_list& streams = interp.get_stream_list (); |
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870 |
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871 octave::stream os = streams.lookup (args(0), who); |
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872 |
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873 return ovl (os.puts (args(1), who)); |
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874 } |
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|
875 |
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|
876 DEFMETHOD (fputs, interp, args, , |
8acd390d16c9
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877 doc: /* -*- texinfo -*- |
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878 @deftypefn {} {} fputs (@var{fid}, @var{string}) |
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879 @deftypefnx {} {@var{status} =} fputs (@var{fid}, @var{string}) |
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880 Write the string @var{string} to the file with file descriptor @var{fid}. |
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|
881 |
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|
882 The string is written to the file with no additional formatting. Use |
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|
883 @code{fdisp} instead to automatically append a newline character appropriate |
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884 for the local machine. |
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|
885 |
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changeset
|
886 Return a non-negative number on success or EOF on error. |
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|
887 @seealso{fdisp, fprintf, fwrite, fopen} |
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888 @end deftypefn */) |
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889 { |
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|
890 static std::string who = "fputs"; |
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|
891 |
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|
892 return puts_internal (interp, who, args); |
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|
893 } |
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|
894 |
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|
895 DEFMETHOD (puts, interp, args, , |
8acd390d16c9
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|
896 doc: /* -*- texinfo -*- |
21966
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897 @deftypefn {} {} puts (@var{string}) |
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|
898 @deftypefnx {} {@var{status} =} puts (@var{string}) |
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|
899 Write a string to the standard output with no formatting. |
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|
900 |
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|
901 The string is written verbatim to the standard output. Use @code{disp} to |
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move docstrings in C++ files out of C strings and into comments
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|
902 automatically append a newline character appropriate for the local machine. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
903 |
112b20240c87
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|
904 Return a non-negative number on success and EOF on error. |
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|
905 @seealso{fputs, disp} |
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|
906 @end deftypefn */) |
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|
907 { |
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|
908 static std::string who = "puts"; |
96518f623c91
Backed out changeset dcf8922b724b
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|
909 |
23737
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|
910 octave_value_list tmp_args = args; |
7fb957d36357
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|
911 |
23738
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|
912 return puts_internal (interp, who, tmp_args.prepend (octave_value (1))); |
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|
913 } |
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|
914 |
2095 | 915 DEFUN (sprintf, args, , |
21966
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|
916 doc: /* -*- texinfo -*- |
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|
917 @deftypefn {} {} sprintf (@var{template}, @dots{}) |
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move docstrings in C++ files out of C strings and into comments
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|
918 This is like @code{printf}, except that the output is returned as a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
919 string. |
112b20240c87
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|
920 |
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changeset
|
921 Unlike the C library function, which requires you to provide a suitably |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
922 sized string as an argument, Octave's @code{sprintf} function returns the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
923 string, automatically sized to hold all of the items converted. |
112b20240c87
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diff
changeset
|
924 |
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changeset
|
925 Implementation Note: For compatibility with @sc{matlab}, escape sequences in |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
926 the template string (e.g., @qcode{"@xbackslashchar{}n"} => newline) are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
927 expanded even when the template string is defined with single quotes. |
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|
928 @seealso{printf, fprintf, sscanf} |
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|
929 @end deftypefn */) |
1 | 930 { |
4468 | 931 static std::string who = "sprintf"; |
932 | |
2095 | 933 int nargin = args.length (); |
1 | 934 |
20805
2d6ddb2b157c
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|
935 if (nargin == 0) |
2d6ddb2b157c
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|
936 print_usage (); |
2116 | 937 |
21506
128703a29388
avoid some duplicate code in file-io functions
John W. Eaton <jwe@octave.org>
parents:
21504
diff
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|
938 // We don't use octave_ostrstream::create here because need direct |
128703a29388
avoid some duplicate code in file-io functions
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diff
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|
939 // access to the OSTR object so that we can extract a string object |
128703a29388
avoid some duplicate code in file-io functions
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diff
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|
940 // from it to return. |
20805
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John W. Eaton <jwe@octave.org>
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|
941 octave_ostrstream *ostr = new octave_ostrstream (); |
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diff
changeset
|
942 |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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22837
diff
changeset
|
943 // The octave::stream destructor will delete OSTR for us. |
b98ebcd7f11c
move some octave stream classes into octave namespace
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diff
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|
944 octave::stream os (ostr); |
628 | 945 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
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diff
changeset
|
946 if (! os.is_valid ()) |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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20884
diff
changeset
|
947 error ("%s: unable to create output buffer", who.c_str ()); |
1 | 948 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
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diff
changeset
|
949 octave_value fmt_arg = args(0); |
1 | 950 |
20898
8da80da1ac37
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Rik <rik@octave.org>
parents:
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diff
changeset
|
951 if (! fmt_arg.is_string ()) |
8da80da1ac37
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Rik <rik@octave.org>
parents:
20884
diff
changeset
|
952 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
628 | 953 |
20898
8da80da1ac37
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Rik <rik@octave.org>
parents:
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diff
changeset
|
954 octave_value_list retval (3); |
19727
3c3b9fce7d2b
improve compatibility of sprintf function.
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19697
diff
changeset
|
955 |
20898
8da80da1ac37
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20884
diff
changeset
|
956 octave_value_list tmp_args; |
8da80da1ac37
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diff
changeset
|
957 if (nargin > 1) |
8da80da1ac37
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Rik <rik@octave.org>
parents:
20884
diff
changeset
|
958 { |
8da80da1ac37
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Rik <rik@octave.org>
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diff
changeset
|
959 tmp_args.resize (nargin-1, octave_value ()); |
19727
3c3b9fce7d2b
improve compatibility of sprintf function.
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19697
diff
changeset
|
960 |
20898
8da80da1ac37
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Rik <rik@octave.org>
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diff
changeset
|
961 for (int i = 1; i < nargin; i++) |
8da80da1ac37
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diff
changeset
|
962 tmp_args(i-1) = args(i); |
8da80da1ac37
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Rik <rik@octave.org>
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diff
changeset
|
963 } |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
964 |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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diff
changeset
|
965 // NOTE: Call to os.error must precede next call to ostr which might reset it. |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
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diff
changeset
|
966 retval(2) = os.printf (fmt_arg, tmp_args, who); |
8da80da1ac37
maint: Use ovl() more places in the code.
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diff
changeset
|
967 retval(1) = os.error (); |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
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diff
changeset
|
968 |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
20884
diff
changeset
|
969 std::string result = ostr->str (); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
970 char type = (fmt_arg.is_sq_string () ? '\'' : '"'); |
20898
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
20884
diff
changeset
|
971 |
8da80da1ac37
maint: Use ovl() more places in the code.
Rik <rik@octave.org>
parents:
20884
diff
changeset
|
972 retval(0) = (result.empty () ? octave_value (charMatrix (1, 0), type) |
8da80da1ac37
maint: Use ovl() more places in the code.
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parents:
20884
diff
changeset
|
973 : octave_value (result, type)); |
1 | 974 |
975 return retval; | |
976 } | |
977 | |
23737
7fb957d36357
refactor fprintf, printf, fputs, puts, fscanf, and scanf functions
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changeset
|
978 static octave_value_list |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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changeset
|
979 scanf_internal (octave::interpreter& interp, const std::string& who, |
8acd390d16c9
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diff
changeset
|
980 const octave_value_list& args) |
23737
7fb957d36357
refactor fprintf, printf, fputs, puts, fscanf, and scanf functions
John W. Eaton <jwe@octave.org>
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|
981 { |
7fb957d36357
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diff
changeset
|
982 int nargin = args.length (); |
7fb957d36357
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diff
changeset
|
983 |
7fb957d36357
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parents:
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diff
changeset
|
984 if (nargin < 2 || nargin > 3) |
7fb957d36357
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diff
changeset
|
985 print_usage (); |
7fb957d36357
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
986 |
7fb957d36357
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
987 octave_value_list retval; |
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988 |
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989 octave::stream_list& streams = interp.get_stream_list (); |
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990 |
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991 octave::stream os = streams.lookup (args(0), who); |
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992 |
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993 if (! args(1).is_string ()) |
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994 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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995 |
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996 if (nargin == 3 && args(2).is_string ()) |
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997 { |
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998 retval = os.oscanf (args(1), who); |
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999 } |
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1000 else |
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1001 { |
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1002 octave_idx_type count = 0; |
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1003 |
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1004 Array<double> size |
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1005 = (nargin == 3 |
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1006 ? args(2).vector_value () |
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1007 : Array<double> (dim_vector (1, 1), lo_ieee_inf_value ())); |
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1008 |
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1009 octave_value tmp = os.scanf (args(1), size, count, who); |
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1010 |
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1011 retval = ovl (tmp, count, os.error ()); |
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1012 } |
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1013 |
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1014 return retval; |
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1015 } |
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1016 |
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1017 DEFMETHOD (fscanf, interp, args, , |
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1018 doc: /* -*- texinfo -*- |
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1019 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size}) |
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1020 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, "C") |
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1021 In the first form, read from @var{fid} according to @var{template}, |
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1022 returning the result in the matrix @var{val}. |
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1023 |
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1024 The optional argument @var{size} specifies the amount of data to read |
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1025 and may be one of |
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1026 |
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1027 @table @code |
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1028 @item Inf |
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1029 Read as much as possible, returning a column vector. |
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1030 |
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1031 @item @var{nr} |
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1032 Read up to @var{nr} elements, returning a column vector. |
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1033 |
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1034 @item [@var{nr}, Inf] |
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1035 Read as much as possible, returning a matrix with @var{nr} rows. If the |
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1036 number of elements read is not an exact multiple of @var{nr}, the last |
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1037 column is padded with zeros. |
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1038 |
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1039 @item [@var{nr}, @var{nc}] |
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1040 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with |
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1041 @var{nr} rows. If the number of elements read is not an exact multiple |
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1042 of @var{nr}, the last column is padded with zeros. |
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1043 @end table |
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1044 |
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1045 @noindent |
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1046 If @var{size} is omitted, a value of @code{Inf} is assumed. |
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1047 |
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1048 A string is returned if @var{template} specifies only character conversions. |
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1049 |
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1050 The number of items successfully read is returned in @var{count}. |
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1051 |
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1052 If an error occurs, @var{errmsg} contains a system-dependent error message. |
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1053 |
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1054 In the second form, read from @var{fid} according to @var{template}, |
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1055 with each conversion specifier in @var{template} corresponding to a |
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1056 single scalar return value. This form is more ``C-like'', and also |
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1057 compatible with previous versions of Octave. The number of successful |
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1058 conversions is returned in @var{count} |
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1059 @ifclear OCTAVE_MANUAL |
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1060 |
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1061 See the Formatted Input section of the GNU Octave manual for a |
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1062 complete description of the syntax of the template string. |
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1063 @end ifclear |
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1064 @seealso{fgets, fgetl, fread, scanf, sscanf, fopen} |
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1065 @end deftypefn */) |
1181 | 1066 { |
4468 | 1067 static std::string who = "fscanf"; |
1068 | |
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1069 return scanf_internal (interp, who, args); |
1181 | 1070 } |
1071 | |
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1072 static std::string |
21507
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1073 get_scan_string_data (const octave_value& val, const std::string& who) |
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1074 { |
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1075 std::string retval; |
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1076 |
20962
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1077 if (! val.is_string ()) |
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1078 error ("%s: argument STRING must be a string", who.c_str ()); |
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1079 |
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1080 octave_value tmp = val.reshape (dim_vector (1, val.numel ())); |
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1081 |
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1082 retval = tmp.string_value (); |
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1083 |
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1084 return retval; |
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1085 } |
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1086 |
2095 | 1087 DEFUN (sscanf, args, , |
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1088 doc: /* -*- texinfo -*- |
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1089 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size}) |
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1090 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} sscanf (@var{string}, @var{template}, "C") |
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1091 This is like @code{fscanf}, except that the characters are taken from the |
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1092 string @var{string} instead of from a stream. |
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1093 |
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1094 Reaching the end of the string is treated as an end-of-file condition. In |
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1095 addition to the values returned by @code{fscanf}, the index of the next |
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1096 character to be read is returned in @var{pos}. |
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1097 @seealso{fscanf, scanf, sprintf} |
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1098 @end deftypefn */) |
444 | 1099 { |
4468 | 1100 static std::string who = "sscanf"; |
1101 | |
506 | 1102 int nargin = args.length (); |
1103 | |
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1104 if (nargin < 2 || nargin > 3) |
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1105 print_usage (); |
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1106 |
20918
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1107 octave_value_list retval; |
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1108 |
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1109 std::string data = get_scan_string_data (args(0), who); |
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1110 |
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1111 octave::stream os = octave_istrstream::create (data); |
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1112 |
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1113 if (! os.is_valid ()) |
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1114 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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1115 |
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1116 if (! args(1).is_string ()) |
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1117 error ("%s: format TEMPLATE must be a string", who.c_str ()); |
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1118 |
2215 | 1119 if (nargin == 3 && args(2).is_string ()) |
2095 | 1120 { |
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1121 retval = os.oscanf (args(1), who); |
444 | 1122 } |
1123 else | |
2215 | 1124 { |
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1125 octave_idx_type count = 0; |
2215 | 1126 |
20918
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1127 Array<double> size = (nargin == 3) ? args(2).vector_value () |
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1128 : Array<double> (dim_vector (1, 1), |
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1129 lo_ieee_inf_value ()); |
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1130 |
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1131 octave_value tmp = os.scanf (args(1), size, count, who); |
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1132 |
20918
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1133 // FIXME: is this the right thing to do? |
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1134 // Extract error message first, because getting |
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1135 // position will clear it. |
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1136 std::string errmsg = os.error (); |
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1137 |
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1138 retval = ovl (tmp, count, errmsg, |
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1139 (os.eof () ? data.length () : os.tell ()) + 1); |
2215 | 1140 } |
444 | 1141 |
1142 return retval; | |
1143 } | |
1144 | |
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1145 DEFMETHOD (scanf, interp, args, , |
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1146 doc: /* -*- texinfo -*- |
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1147 @deftypefn {} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size}) |
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1148 @deftypefnx {} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} scanf (@var{template}, "C") |
21966
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1149 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}. |
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1150 |
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1151 It is currently not useful to call @code{scanf} in interactive programs. |
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1152 @seealso{fscanf, sscanf, printf} |
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1153 @end deftypefn */) |
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1154 { |
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|
1155 static std::string who = "scanf"; |
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|
1156 |
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|
1157 octave_value_list tmp_args = args; |
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1158 |
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1159 return scanf_internal (interp, who, tmp_args.prepend (octave_value (0))); |
21634
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|
1160 } |
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|
1161 |
21504 | 1162 static octave_value_list |
23738
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1163 textscan_internal (octave::interpreter& interp, const std::string& who, |
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|
1164 const octave_value_list& args) |
21504 | 1165 { |
1166 if (args.length () < 1) | |
1167 print_usage (who); | |
1168 | |
23059
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move some octave stream classes into octave namespace
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|
1169 octave::stream os; |
21507
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|
1170 |
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|
1171 if (args(0).is_string ()) |
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|
1172 { |
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|
1173 std::string data = get_scan_string_data (args(0), who); |
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|
1174 |
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|
1175 os = octave_istrstream::create (data); |
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|
1176 |
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|
1177 if (! os.is_valid ()) |
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improve compatibility of textscan for character arrays
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|
1178 error ("%s: unable to create temporary input buffer", who.c_str ()); |
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|
1179 } |
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improve compatibility of textscan for character arrays
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|
1180 else |
23738
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|
1181 { |
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1182 octave::stream_list& streams = interp.get_stream_list (); |
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|
1183 |
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|
1184 os = streams.lookup (args(0), who); |
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|
1185 } |
21504 | 1186 |
1187 int nskip = 1; | |
1188 | |
1189 std::string fmt; | |
1190 | |
1191 if (args.length () == 1) | |
1192 { | |
1193 // ommited format = %f. explicit "" = width from file | |
1194 fmt = "%f"; | |
1195 } | |
1196 else if (args(1).is_string ()) | |
1197 { | |
1198 fmt = args(1).string_value (); | |
1199 | |
1200 if (args(1).is_sq_string ()) | |
25646
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move libinterp/utils functions inside octave namespace
John W. Eaton <jwe@octave.org>
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|
1201 fmt = octave::do_string_escapes (fmt); |
21504 | 1202 |
1203 nskip++; | |
1204 } | |
1205 else | |
1206 error ("%s: FORMAT must be a string", who.c_str ()); | |
1207 | |
1208 octave_idx_type ntimes = -1; | |
1209 | |
1210 if (args.length () > 2) | |
1211 { | |
23586
f6c5db0a02e7
maint: Deprecate is_numeric_type and replace with isnumeric.
Rik <rik@octave.org>
parents:
23573
diff
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|
1212 if (args(2).isnumeric ()) |
21504 | 1213 { |
1214 ntimes = args(2).idx_type_value (); | |
1215 | |
1216 if (ntimes < args(2).double_value ()) | |
1217 error ("%s: REPEAT = %g is too large", | |
1218 who.c_str (), args(2).double_value ()); | |
1219 | |
1220 nskip++; | |
1221 } | |
1222 } | |
1223 | |
1224 octave_value_list options = args.splice (0, nskip); | |
1225 | |
1226 octave_idx_type count = 0; | |
1227 | |
1228 octave_value result = os.textscan (fmt, ntimes, options, who, count); | |
1229 | |
1230 std::string errmsg = os.error (); | |
1231 | |
1232 return ovl (result, count, errmsg); | |
1233 } | |
1234 | |
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|
1235 DEFMETHOD (textscan, interp, args, , |
8acd390d16c9
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|
1236 doc: /* -*- texinfo -*- |
21966
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|
1237 @deftypefn {} {@var{C} =} textscan (@var{fid}, @var{format}) |
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|
1238 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}) |
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|
1239 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{param}, @var{value}, @dots{}) |
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|
1240 @deftypefnx {} {@var{C} =} textscan (@var{fid}, @var{format}, @var{repeat}, @var{param}, @var{value}, @dots{}) |
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|
1241 @deftypefnx {} {@var{C} =} textscan (@var{str}, @dots{}) |
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|
1242 @deftypefnx {} {[@var{C}, @var{position}, @var{errmsg}] =} textscan (@dots{}) |
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1243 Read data from a text file or string. |
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1244 |
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|
1245 The string @var{str} or file associated with @var{fid} is read from and |
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|
1246 parsed according to @var{format}. The function is an extension of |
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|
1247 @code{strread} and @code{textread}. Differences include: the ability to |
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move docstrings in C++ files out of C strings and into comments
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|
1248 read from either a file or a string, additional options, and additional |
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1249 format specifiers. |
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1250 |
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|
1251 The input is interpreted as a sequence of words, delimiters (such as |
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|
1252 whitespace), and literals. The characters that form delimiters and |
112b20240c87
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|
1253 whitespace are determined by the options. The format consists of format |
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|
1254 specifiers interspersed between literals. In the format, whitespace forms |
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1255 a delimiter between consecutive literals, but is otherwise ignored. |
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1256 |
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|
1257 The output @var{C} is a cell array where the number of columns is determined |
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1258 by the number of format specifiers. |
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1259 |
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|
1260 The first word of the input is matched to the first specifier of the format |
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1261 and placed in the first column of the output; the second is matched to the |
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|
1262 second specifier and placed in the second column and so forth. If there |
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1263 are more words than specifiers then the process is repeated until all words |
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1264 have been processed or the limit imposed by @var{repeat} has been met (see |
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1265 below). |
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1266 |
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1267 The string @var{format} describes how the words in @var{str} should be |
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1268 parsed. As in @var{fscanf}, any (non-whitespace) text in the format that is |
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|
1269 not one of these specifiers is considered a literal. If there is a literal |
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|
1270 between two format specifiers then that same literal must appear in the |
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1271 input stream between the matching words. |
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1272 |
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1273 The following specifiers are valid: |
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1274 |
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1275 @table @code |
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1276 @item %f |
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1277 @itemx %f64 |
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1278 @itemx %n |
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1279 The word is parsed as a number and converted to double. |
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1280 |
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1281 @item %f32 |
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1282 The word is parsed as a number and converted to single (float). |
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1283 |
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1284 @item %d |
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1285 @itemx %d8 |
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1286 @itemx %d16 |
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1287 @itemx %d32 |
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1288 @itemx %d64 |
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1289 The word is parsed as a number and converted to int8, int16, int32, or |
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1290 int64. If no size is specified then int32 is used. |
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1291 |
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1292 @item %u |
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1293 @itemx %u8 |
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1294 @itemx %u16 |
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1295 @itemx %u32 |
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1296 @itemx %u64 |
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1297 The word is parsed as a number and converted to uint8, uint16, uint32, or |
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1298 uint64. If no size is specified then uint32 is used. |
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1299 |
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1300 @item %s |
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1301 The word is parsed as a string ending at the last character before |
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1302 whitespace, an end-of-line, or a delimiter specified in the options. |
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1303 |
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1304 @item %q |
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1305 The word is parsed as a "quoted string". |
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1306 If the first character of the string is a double quote (") then the string |
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1307 includes everything until a matching double quote---including whitespace, |
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1308 delimiters, and end-of-line characters. If a pair of consecutive double |
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1309 quotes appears in the input, it is replaced in the output by a single |
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1310 double quote. For examples, the input "He said ""Hello""" would |
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1311 return the value 'He said "Hello"'. |
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1312 |
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1313 @item %c |
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1314 The next character of the input is read. |
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1315 This includes delimiters, whitespace, and end-of-line characters. |
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1316 |
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1317 @item %[@dots{}] |
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1318 @itemx %[^@dots{}] |
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1319 In the first form, the word consists of the longest run consisting of only |
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1320 characters between the brackets. Ranges of characters can be specified by |
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1321 a hyphen; for example, %[0-9a-zA-Z] matches all alphanumeric characters (if |
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1322 the underlying character set is ASCII). Since @sc{matlab} treats hyphens |
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1323 literally, this expansion only applies to alphanumeric characters. To |
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1324 include '-' in the set, it should appear first or last in the brackets; to |
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1325 include ']', it should be the first character. If the first character is |
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1326 '^' then the word consists of characters @strong{not} listed. |
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1327 |
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1328 @item %N@dots{} |
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1329 For %s, %c %d, %f, %n, %u, an optional width can be specified as %Ns, etc. |
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1330 where N is an integer > 1. For %c, this causes exactly N characters to be |
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1331 read instead of a single character. For the other specifiers, it is an |
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1332 upper bound on the number of characters read; normal delimiters can cause |
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1333 fewer characters to be read. For complex numbers, this limit applies to |
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1334 the real and imaginary components individually. For %f and %n, format |
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1335 specifiers like %N.Mf are allowed, where M is an upper bound on number of |
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1336 characters after the decimal point to be considered; subsequent digits are |
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1337 skipped. For example, the specifier %8.2f would read 12.345e6 as 1.234e7. |
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1338 |
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1339 @item %*@dots{} |
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1340 The word specified by the remainder of the conversion specifier is skipped. |
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1341 |
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1342 @item literals |
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1343 In addition the format may contain literal character strings; these will be |
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1344 skipped during reading. If the input string does not match this literal, |
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1345 the processing terminates. |
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1346 @end table |
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1347 |
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1348 Parsed words corresponding to the first specifier are returned in the first |
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1349 output argument and likewise for the rest of the specifiers. |
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1350 |
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1351 By default, if there is only one input argument, @var{format} is @t{"%f"}. |
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1352 This means that numbers are read from the input into a single column vector. |
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1353 If @var{format} is explicitly empty (@qcode{""}) then textscan will |
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1354 return data in a number of columns matching the number of fields on the |
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1355 first data line of the input. Either of these is suitable only when the |
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1356 input is exclusively numeric. |
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1357 |
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1358 For example, the string |
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1359 |
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1360 @smallexample |
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1361 @group |
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1362 @var{str} = "\ |
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1363 Bunny Bugs 5.5\n\ |
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1364 Duck Daffy -7.5e-5\n\ |
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1365 Penguin Tux 6" |
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1366 @end group |
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1367 @end smallexample |
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1368 |
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1369 @noindent |
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1370 can be read using |
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1371 |
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1372 @example |
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1373 @var{a} = textscan (@var{str}, "%s %s %f"); |
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1374 @end example |
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1375 |
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1376 The optional numeric argument @var{repeat} can be used for limiting the |
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1377 number of items read: |
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1378 |
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1379 @table @asis |
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1380 @item -1 |
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1381 Read all of the string or file until the end (default). |
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1382 |
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1383 @item N |
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1384 Read until the first of two conditions occurs: 1) the format has been |
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1385 processed N times, or 2) N lines of the input have been processed. Zero |
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1386 (0) is an acceptable value for @var{repeat}. Currently, end-of-line |
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1387 characters inside %q, %c, and %[@dots{}]$ conversions do not contribute to |
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1388 the line count. This is incompatible with @sc{matlab} and may change in |
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1389 future. |
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1390 @end table |
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1391 |
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1392 The behavior of @code{textscan} can be changed via property/value pairs. |
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1393 The following properties are recognized: |
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|
1394 |
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1395 @table @asis |
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1396 @item @qcode{"BufSize"} |
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1397 This specifies the number of bytes to use for the internal buffer. |
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1398 A modest speed improvement may be obtained by setting this to a large value |
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1399 when reading a large file, especially if the input contains long strings. |
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1400 The default is 4096, or a value dependent on @var{n} if that is specified. |
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1401 |
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1402 @item @qcode{"CollectOutput"} |
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1403 A value of 1 or true instructs @code{textscan} to concatenate consecutive |
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1404 columns of the same class in the output cell array. A value of 0 or false |
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1405 (default) leaves output in distinct columns. |
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1406 |
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1407 @item @qcode{"CommentStyle"} |
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1408 Specify parts of the input which are considered comments and will be |
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1409 skipped. @var{value} is the comment style and can be either (1) A string |
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1410 or 1x1 cell string, to skip everything to the right of it; (2) A cell array |
21992
03c692adf563
maint: strip trailing whitespace from files.
John W. Eaton <jwe@octave.org>
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|
1411 of two strings, to skip everything between the first and second strings. |
21966
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1412 Comments are only parsed where whitespace is accepted and do not act as |
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1413 delimiters. |
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|
1414 |
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1415 @item @qcode{"Delimiter"} |
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1416 If @var{value} is a string, any character in @var{value} will be used to |
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1417 split the input into words. If @var{value} is a cell array of strings, |
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1418 any string in the array will be used to split the input into words. |
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1419 (default value = any whitespace.) |
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|
1420 |
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1421 @item @qcode{"EmptyValue"} |
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1422 Value to return for empty numeric values in non-whitespace delimited data. |
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1423 The default is NaN@. When the data type does not support NaN (int32 for |
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1424 example), then the default is zero. |
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1425 |
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1426 @item @qcode{"EndOfLine"} |
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1427 @var{value} can be either an emtpy or one character specifying the |
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1428 end-of-line character, or the pair |
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1429 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} (CRLF). |
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1430 In the latter case, any of |
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1431 @qcode{"@xbackslashchar{}r"}, @qcode{"@xbackslashchar{}n"} or |
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1432 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} is counted as a (single) |
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1433 newline. If no value is given, |
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|
1434 @qcode{"@xbackslashchar{}r@xbackslashchar{}n"} is used. |
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1435 @c If set to "" (empty string) EOLs are ignored as delimiters and added |
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|
1436 @c to whitespace. |
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|
1437 |
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|
1438 @c When reading from a character string, optional input argument @var{n} |
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1439 @c specifies the number of times @var{format} should be used (i.e., to limit |
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|
1440 @c the amount of data read). |
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|
1441 @c When reading from file, @var{n} specifies the number of data lines to read; |
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|
1442 @c in this sense it differs slightly from the format repeat count in strread. |
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|
1443 |
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|
1444 @item @qcode{"HeaderLines"} |
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|
1445 The first @var{value} number of lines of @var{fid} are skipped. Note that |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1446 this does not refer to the first non-comment lines, but the first lines of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1447 any type. |
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|
1448 |
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|
1449 @item @qcode{"MultipleDelimsAsOne"} |
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|
1450 If @var{value} is nonzero, treat a series of consecutive delimiters, |
112b20240c87
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|
1451 without whitespace in between, as a single delimiter. Consecutive |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1452 delimiter series need not be vertically aligned. Without this option, a |
112b20240c87
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|
1453 single delimiter before the end of the line does not cause the line to be |
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|
1454 considered to end with an empty value, but a single delimiter at the start |
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|
1455 of a line causes the line to be considered to start with an empty value. |
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|
1456 |
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|
1457 @item @qcode{"TreatAsEmpty"} |
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|
1458 Treat single occurrences (surrounded by delimiters or whitespace) of the |
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|
1459 string(s) in @var{value} as missing values. |
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|
1460 |
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|
1461 @item @qcode{"ReturnOnError"} |
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|
1462 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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|
1463 encountered, such as trying to read a string using @code{%f}. |
21966
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|
1464 If set to 0 or false, return an error and no data. |
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|
1465 |
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|
1466 @item @qcode{"Whitespace"} |
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|
1467 Any character in @var{value} will be interpreted as whitespace and trimmed; |
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|
1468 The default value for whitespace is |
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1469 @c Note: the next line specifically has a newline which generates a space |
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|
1470 @c in the output of qcode, but keeps the next line < 80 characters. |
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|
1471 @qcode{" |
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|
1472 @xbackslashchar{}b@xbackslashchar{}r@xbackslashchar{}n@xbackslashchar{}t"} |
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1473 (note the space). Unless whitespace is set to @qcode{""} (empty) AND at |
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|
1474 least one @qcode{"%s"} format conversion specifier is supplied, a space is |
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|
1475 always part of whitespace. |
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|
1476 |
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|
1477 @end table |
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|
1478 |
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|
1479 When the number of words in @var{str} or @var{fid} doesn't match an exact |
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|
1480 multiple of the number of format conversion specifiers, @code{textscan}'s |
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|
1481 behavior depends on whether the last character of the string or file is an |
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|
1482 end-of-line as specified by the @code{EndOfLine} option: |
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|
1483 |
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|
1484 @table @asis |
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1485 @item last character = end-of-line |
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1486 Data columns are padded with empty fields, NaN or 0 (for integer fields) so |
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|
1487 that all columns have equal length |
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|
1488 |
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1489 @item last character is not end-of-line |
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|
1490 Data columns are not padded; @code{textscan} returns columns of unequal |
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|
1491 length |
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|
1492 @end table |
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1493 |
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1494 The second output @var{position} provides the location, in characters |
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1495 from the beginning of the file or string, where processing stopped. |
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1496 |
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1497 @seealso{dlmread, fscanf, load, strread, textread} |
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1498 @end deftypefn */) |
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1499 { |
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1500 static std::string who = "textscan"; |
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1501 |
23738
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1502 return textscan_internal (interp, who, args); |
21504 | 1503 } |
1504 | |
23738
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1505 DEFMETHOD (__textscan__, interp, args, , |
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1506 doc: /* -*- texinfo -*- |
21966
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1507 @deftypefn {} {@var{C} =} __textscan__ (@var{who}, @dots{}) |
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1508 Like @code{textscan} but accept additional argument @var{who} to use |
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1509 as the name of the function when reporting errors. |
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|
1510 @end deftypefn */) |
21504 | 1511 { |
1512 if (args.length () == 0) | |
21502
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1513 print_usage (); |
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1514 |
23738
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1515 return textscan_internal (interp, args(0).string_value (), |
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1516 args.splice (0, 1)); |
21502
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1517 } |
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1518 |
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1519 /* |
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1520 %!test |
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1521 %! str = "1, 2, 3, 4\n 5, , , 8\n 9, 10, 11, 12"; |
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1522 %! fmtstr = "%f %d %f %s"; |
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1523 %! c = textscan (str, fmtstr, 2, "delimiter", ",", "emptyvalue", -Inf); |
21625 | 1524 %! assert (c{1}, [1;5]); |
1525 %! assert (c{3}, [3; -Inf]); | |
21502
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1526 %! assert (iscellstr (c{4})); |
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1527 |
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1528 %!test |
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1529 %! b = [10:10:100]; |
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1530 %! b = [b; 8*b/5]; |
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1531 %! str = sprintf ("%g miles/hr = %g kilometers/hr\n", b); |
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1532 %! fmt = "%f miles/hr = %f kilometers/hr"; |
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1533 %! c = textscan (str, fmt); |
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|
1534 %! assert (c{1}, b(1,:)', 1e-5); |
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1535 %! assert (c{2}, b(2,:)', 1e-5); |
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|
1536 |
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|
1537 %!test |
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1538 %! str = "13, -, NA, str1, -25\r\n// Middle line\r\n36, na, 05, str3, 6"; |
21625 | 1539 %! c = textscan (str, "%d %n %f %s %n", "delimiter", ",", |
1540 %! "treatAsEmpty", {"NA", "na", "-"}, "commentStyle", "//"); | |
1541 %! assert (c{1}, int32 ([13; 36])); | |
1542 %! assert (c{2}, [NaN; NaN]); | |
1543 %! assert (c{3}, [NaN; 5]); | |
1544 %! assert (c{4}, {"str1"; "str3"}); | |
1545 %! assert (c{5}, [-25; 6]); | |
21502
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|
1546 |
7a19c5678f91
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|
1547 %!test |
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1548 %! str = "Km:10 = hhhBjjj miles16hour\r\n"; |
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1549 %! str = [str "Km:15 = hhhJjjj miles241hour\r\n"]; |
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1550 %! str = [str "Km:2 = hhhRjjj miles3hour\r\n"]; |
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1551 %! str = [str "Km:25 = hhhZ\r\n"]; |
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1552 %! fmt = "Km:%d = hhh%1sjjj miles%dhour"; |
21625 | 1553 %! c = textscan (str, fmt, "delimiter", " "); |
1554 %! assert (c{1}', int32 ([10, 15, 2, 25])); | |
1555 %! assert (c{2}', {'B' 'J' 'R' 'Z'}); | |
1556 %! assert (c{3}', int32 ([16, 241, 3, 0])); | |
1557 | |
1558 ## Test with default EndOfLine parameter | |
21502
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1559 %!test |
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1560 %! c = textscan ("L1\nL2", "%s"); |
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1561 %! assert (c{:}, {"L1"; "L2"}); |
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1562 |
21625 | 1563 ## Test with EndofLine parameter set to "" (empty) - newline should be in word |
21502
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|
1564 %!test |
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1565 %! c = textscan ("L1\nL2", "%s", "endofline", ""); |
21625 | 1566 %! assert (int8 ([c{:}{:}]), int8 ([76, 49, 10, 76, 50])); |
21502
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|
1567 |
22737
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maint: Clean up code base to follow Octave coding conventions.
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|
1568 ## Matlab fails this test. A literal after a conversion is not a delimiter |
7abc25e6206a
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|
1569 %!#test |
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|
1570 %! ## No delimiters at all besides EOL. Skip fields, even empty fields |
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|
1571 %! str = "Text1Text2Text\nTextText4Text\nText57Text"; |
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|
1572 %! c = textscan (str, "Text%*dText%dText"); |
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|
1573 %! assert (c{1}, int32 ([2; 4; 0])); |
21502
7a19c5678f91
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|
1574 |
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|
1575 ## CollectOutput test |
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|
1576 %!test |
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1577 %! b = [10:10:100]; |
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|
1578 %! b = [b; 8*b/5; 8*b*1000/5]; |
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|
1579 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
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|
1580 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
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|
1581 %! c = textscan (str, fmt, "collectoutput", 1); |
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|
1582 %! assert (size (c{3}), [10, 2]); |
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|
1583 %! assert (size (c{2}), [10, 2]); |
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|
1584 |
7a19c5678f91
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|
1585 ## CollectOutput test with uneven column length files |
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|
1586 %!test |
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1587 %! b = [10:10:100]; |
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|
1588 %! b = [b; 8*b/5; 8*b*1000/5]; |
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|
1589 %! str = sprintf ("%g miles/hr = %g (%g) kilometers (meters)/hr\n", b); |
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|
1590 %! str = [str "110 miles/hr"]; |
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1591 %! fmt = "%f miles%s %s %f (%f) kilometers %*s"; |
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|
1592 %! c = textscan (str, fmt, "collectoutput", 1); |
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|
1593 %! assert (size (c{1}), [11, 1]); |
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|
1594 %! assert (size (c{3}), [11, 2]); |
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|
1595 %! assert (size (c{2}), [11, 2]); |
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|
1596 %! assert (c{3}(end), NaN); |
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|
1597 %! assert (c{2}{11, 1}, "/hr"); |
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|
1598 %! assert (isempty (c{2}{11, 2}), true); |
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|
1599 |
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|
1600 ## Double quoted string |
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1601 %!test |
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1602 %! str = 'First "the second called ""the middle""" third'; |
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1603 %! fmt = "%q"; |
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1604 %! c = textscan (str, fmt); |
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|
1605 %! assert (c{1}, {"First"; 'the second called "the middle"'; "third"}); |
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|
1606 |
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|
1607 ## Arbitrary character |
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|
1608 %!test |
21625 | 1609 %! c = textscan ("a first, \n second, third", "%s %c %11c", "delimiter", " ,"); |
21502
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changeset
|
1610 %! 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
|
1611 %! 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
|
1612 %! 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
|
1613 |
7a19c5678f91
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 ## 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
|
1615 %!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
|
1616 %! 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
|
1617 %! c = textscan (str, "%4d %4d", "delimiter", ";", "collectOutput", 1); |
21625 | 1618 %! assert (c, {[12, 34; 1234, 5678; 9, 7]}); |
1619 | |
1620 ## 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
|
1621 %!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
|
1622 %! 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
|
1623 %! c = textscan (str, "%4f %f", "delimiter", ";", "collectOutput", 1); |
21625 | 1624 %! 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
|
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 ## 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
|
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 = "12.234e+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
|
1629 %! c = textscan (str, "%10.2f %f", "delimiter", ",", "collectOutput", 1, |
21625 | 1630 %! "expChars", "e|"); |
1631 %! assert (c, {[1223, 34; 12345.79-9876j, 78; NaN, 10000]}, 1e-6); | |
1632 | |
1633 ## 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
|
1634 %!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
|
1635 %! 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
|
1636 %! 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
|
1637 %! 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
|
1638 %! 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
|
1639 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1640 ## 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
|
1641 ## 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
|
1642 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1643 %! str = "12 R&D & 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1644 %! 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
|
1645 %! "EmptyValue", -99); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1646 %! 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
|
1647 |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1648 ## 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
|
1649 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1650 %! str = "12 & R&D 7"; |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1651 %! 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
|
1652 %! assert (c, {[12 7]}); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1653 |
21625 | 1654 ## Check number of lines read, not number of passes through format string |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1655 %!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
|
1656 %! 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
|
1657 %! 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
|
1658 %! fprintf (fid, "1\n2\n3\n4\n5\n6"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1659 %! 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
|
1660 %! c = textscan (fid, "%f %f", 2); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1661 %! 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
|
1662 %! 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
|
1663 %! 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
|
1664 %! assert (c, {1, 2}); |
21625 | 1665 %! assert (! E); |
1666 | |
1667 ## Check number of lines read, not number of passes through format string | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1668 %!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
|
1669 %! 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
|
1670 %! 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
|
1671 %! 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
|
1672 %! 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
|
1673 %! 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
|
1674 %! 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
|
1675 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1676 %! 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
|
1677 |
21625 | 1678 ## 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
|
1679 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1680 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1681 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1682 %! fprintf (fid, "1-\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
|
1683 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1684 %! c = textscan (fid, "%f %f", 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
|
1685 %! 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
|
1686 %! unlink (f); |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1687 %! 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
|
1688 |
21625 | 1689 ## 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
|
1690 %!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
|
1691 %! 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
|
1692 %! 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
|
1693 %! 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
|
1694 %! 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
|
1695 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1696 %! 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
|
1697 %! 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
|
1698 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1699 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1700 %! 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
|
1701 %! assert (c, {[1;4], [2], [3]}); |
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1702 %! 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
|
1703 |
21625 | 1704 %! ## 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
|
1705 %!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
|
1706 %! 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
|
1707 %! 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
|
1708 %! 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
|
1709 %! 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
|
1710 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1711 %! c = textscan (fid, "%f %f %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
|
1712 %! 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
|
1713 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1714 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
1715 %! 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
|
1716 %! assert (c, {[1;4], 2, 3}); |
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1717 %! 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
|
1718 |
21625 | 1719 %!error <Read error in field 2 of row 2> |
1720 %! textscan ("1 2 3\n4 s 6", "%f %f %f", "ReturnOnError", 0); | |
1721 | |
1722 ## 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
|
1723 %!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
|
1724 %! 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
|
1725 %! 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
|
1726 %! 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
|
1727 %! fseek (fid, 0, "bof"); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1728 %! 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
|
1729 %! 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
|
1730 %! 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
|
1731 %! unlink (f); |
21622
fed1111e1899
textscan: eliminate ReturnOnError="continue" mode (bug #47538)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21621
diff
changeset
|
1732 %! 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
|
1733 |
21625 | 1734 ## 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
|
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 %! 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
|
1737 %! 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
|
1738 |
21625 | 1739 ## 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
|
1740 %!test |
21625 | 1741 %! c = textscan ("1,,3\n4,5,6", "%f %f %f", "Delimiter", ",", |
1742 %! "ReturnOnError", 1); | |
21580
ecce63c99c3f
maint: Add semicolons to terminate code in %! blocks.
Rik <rik@octave.org>
parents:
21566
diff
changeset
|
1743 %! 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
|
1744 |
21625 | 1745 ## 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
|
1746 %!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
|
1747 %! 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
|
1748 %! 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
|
1749 |
21625 | 1750 ## 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
|
1751 ## Test incomplete first data line |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1752 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1753 %! 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
|
1754 %! assert (R{1}, int32 (1)); |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1755 %! 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
|
1756 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
1757 %!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
|
1758 %! 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
|
1759 %! 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
|
1760 %! 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
|
1761 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1762 ## 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
|
1763 %!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
|
1764 %! 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
|
1765 %! 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
|
1766 %! 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
|
1767 %! 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
|
1768 %! 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
|
1769 %! 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
|
1770 %! 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
|
1771 %! 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
|
1772 %! 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
|
1773 %! 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
|
1774 %! 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
|
1775 %! assert (strcmp (lh, rh)); |
21625 | 1776 %! 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
|
1777 |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1778 ## 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
|
1779 %!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
|
1780 %! 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
|
1781 %! 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
|
1782 %! 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
|
1783 %! 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
|
1784 %! 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
|
1785 %! 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
|
1786 %! 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
|
1787 %! 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
|
1788 %! 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
|
1789 %! 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
|
1790 %! 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
|
1791 %! assert (strcmp (lh, rh)); |
21625 | 1792 %! 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
|
1793 |
7a19c5678f91
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 ## 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
|
1795 %!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
|
1796 %! 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
|
1797 %! 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
|
1798 %! 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
|
1799 %! 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
|
1800 %! 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
|
1801 %! 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
|
1802 %! 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
|
1803 %! 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
|
1804 %! 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
|
1805 %! 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
|
1806 %! 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
|
1807 %! 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
|
1808 %! assert (strcmp (lh, rh)); |
21625 | 1809 %! 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
|
1810 |
7a19c5678f91
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 ## 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
|
1812 %!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
|
1813 %! 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
|
1814 %! 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
|
1815 %! 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
|
1816 %! 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
|
1817 %! 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
|
1818 %! 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
|
1819 %! 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
|
1820 %! 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
|
1821 %! 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
|
1822 %! 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
|
1823 %! assert (strcmp (lh, rh)); |
21625 | 1824 %! 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
|
1825 |
7a19c5678f91
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 ## 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
|
1827 %!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
|
1828 %! 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
|
1829 %! 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
|
1830 %! 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
|
1831 %! 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:
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diff
changeset
|
1832 %! 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
|
1833 %! 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
|
1834 %! 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
|
1835 %! 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:
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diff
changeset
|
1836 %! 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:
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diff
changeset
|
1837 %! rh(rh == ";") = ""; |
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
|
1838 %! 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:
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diff
changeset
|
1839 %! assert (strcmp (lh, rh)); |
21625 | 1840 %! endfor |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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diff
changeset
|
1841 |
7a19c5678f91
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 ## 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
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parents:
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diff
changeset
|
1843 %!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
|
1844 %! f = tempname (); |
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
|
1845 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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diff
changeset
|
1846 %! 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:
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diff
changeset
|
1847 %! fseek (fid, 0, "bof"); |
21625 | 1848 %! 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:
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diff
changeset
|
1849 %! E = feof (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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diff
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|
1850 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1851 %! unlink (f); |
21625 | 1852 %! assert (C{1}, [1 ; 5], 1e-6); |
1853 %! assert (C{2}, [2 ; 6], 1e-6); | |
1854 %! assert (C{3}, [3 ; 7], 1e-6); | |
1855 %! 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:
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diff
changeset
|
1856 %! assert (E); |
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
|
1857 |
21621
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1858 ## 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:
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diff
changeset
|
1859 %!test |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
changeset
|
1860 %! f = tempname (); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
changeset
|
1861 %! fid = fopen (f, "w+"); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
changeset
|
1862 %! 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
|
1863 %! fseek (fid, 0, "bof"); |
21625 | 1864 %! 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:
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diff
changeset
|
1865 %! E = ftell (fid); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1866 %! fclose (fid); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1867 %! unlink (f); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
changeset
|
1868 %! assert (E, 8); |
fe0a6de805e4
textscan: Leave file read position correct at exit (bug #47671)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21581
diff
changeset
|
1869 |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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diff
changeset
|
1870 ## 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
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diff
changeset
|
1871 %!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
|
1872 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1873 %! 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
|
1874 %! 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:
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diff
changeset
|
1875 %! fseek (fid, 0, "bof"); |
21625 | 1876 %! C = textscan (fid, "", "delimiter", ",", "EmptyValue", 999, |
1877 %! "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:
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changeset
|
1878 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1879 %! unlink (f); |
21625 | 1880 %! 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:
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diff
changeset
|
1881 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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changeset
|
1882 ## Error message tests |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
1883 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
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changeset
|
1884 %!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
|
1885 %! 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
|
1886 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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parents:
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changeset
|
1887 %! 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:
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changeset
|
1888 %! try |
21625 | 1889 %! 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:
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diff
changeset
|
1890 %! end_try_catch; |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
1891 %! assert (! feof (fid)); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1892 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1893 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
1894 %! assert (msg1, lasterr); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1895 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1896 %!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
|
1897 %! 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
|
1898 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1899 %! msg1 = "textscan: HeaderLines must be numeric"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1900 %! try |
21625 | 1901 %! C = textscan (fid, "", "headerlines", "hh"); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1902 %! end_try_catch; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1903 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1904 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1905 %! assert (msg1, lasterr); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1906 |
21625 | 1907 ## Skip headerlines |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1908 %!test |
21625 | 1909 %! C = textscan ("field 1 field2\n 1 2\n3 4", "", "headerlines", 1, |
1910 %! "collectOutput", 1); | |
1911 %! assert (C, {[1 2; 3 4]}); | |
1912 | |
1913 ## Skip headerlines with non-default EOL | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
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|
1914 %!test |
21625 | 1915 %! C = textscan ("field 1 field2\r 1 2\r3 4", "", "headerlines", 2, |
1916 %! "collectOutput", 1, "EndOfLine", '\r'); | |
1917 %! assert (C, {[3 4]}); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1918 |
7a19c5678f91
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changeset
|
1919 %!test |
7a19c5678f91
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|
1920 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1921 %! fid = fopen (f, "w+"); |
7a19c5678f91
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|
1922 %! fprintf (fid,"some_string"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1923 %! fseek (fid, 0, "bof"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
1924 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
7a19c5678f91
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changeset
|
1925 %! try |
21625 | 1926 %! C = textscan (fid, "%f", "EndOfLine", "\n\r"); |
21502
7a19c5678f91
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changeset
|
1927 %! end_try_catch; |
7a19c5678f91
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|
1928 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1929 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
1930 %! assert (msg1, lasterr); |
7a19c5678f91
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|
1931 |
7a19c5678f91
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|
1932 %!test |
7a19c5678f91
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|
1933 %! f = tempname (); |
7a19c5678f91
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|
1934 %! fid = fopen (f, "w+"); |
7a19c5678f91
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|
1935 %! fprintf (fid,"some_string"); |
7a19c5678f91
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|
1936 %! fseek (fid, 0, "bof"); |
7a19c5678f91
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|
1937 %! msg1 = "textscan: EndOfLine must be at most one character or '\\r\\n'"; |
7a19c5678f91
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|
1938 %! try |
21625 | 1939 %! C = textscan (fid, "%f", "EndOfLine", 33); |
21502
7a19c5678f91
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changeset
|
1940 %! end_try_catch; |
7a19c5678f91
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|
1941 %! fclose (fid); |
7a19c5678f91
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|
1942 %! unlink (f); |
7a19c5678f91
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|
1943 %! assert (msg1, lasterr); |
7a19c5678f91
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|
1944 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1945 %!assert <*41824> (textscan ("123", "", "whitespace", " "){:}, 123); |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
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diff
changeset
|
1946 |
93ea313301f9
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Rik <rik@octave.org>
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22407
diff
changeset
|
1947 ## just test supplied emptyvalue |
23573
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|
1948 %!assert <*42343> (textscan (",NaN", "", "delimiter", "," ,"emptyValue" ,Inf), |
22489
93ea313301f9
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22407
diff
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1949 %! {Inf, NaN}) |
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1950 |
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1951 ## test padding with supplied emptyvalue |
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1952 %!test <*42343> |
21625 | 1953 %! c = textscan (",1,,4\nInf, ,NaN\n", "", "delimiter", ",", |
1954 %! "emptyvalue", -10); | |
1955 %! assert (cell2mat (c), [-10, 1, -10, 4; Inf, -10, NaN, -10]); | |
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1956 |
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1957 %!test <*42528> |
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1958 %! assert (textscan ("1i", ""){1}, 0+1i); |
21625 | 1959 %! C = textscan ("3, 2-4i, NaN\n -i, 1, 23.4+2.2i\n 1+1 1+1j", "", |
1960 %! "delimiter", ","); | |
1961 %! 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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1962 |
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1963 %!test |
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1964 %! ## TreatAsEmpty |
21625 | 1965 %! C = textscan ("1,2,3,NN,5,6\n", "%d%d%d%f", "delimiter", ",", |
1966 %! "TreatAsEmpty", "NN"); | |
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1967 %! assert (C{3}(1), int32 (3)); |
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1968 %! assert (C{4}(1), NaN); |
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1969 |
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1970 ## MultipleDelimsAsOne |
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1971 %!test |
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1972 %! str = "11, 12, 13,, 15\n21,, 23, 24, 25\n,, 33, 34, 35\n"; |
21625 | 1973 %! C = textscan (str, "%f %f %f %f", "delimiter", ",", |
1974 %! "multipledelimsasone", 1, "endofline", "\n"); | |
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1975 %! assert (C{1}', [11, 21, 33]); |
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1976 %! assert (C{2}', [12, 23, 34]); |
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1977 %! assert (C{3}', [13, 24, 35]); |
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1978 %! assert (C{4}', [15, 25, NaN]); |
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1979 |
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1980 ## Single-quoted escape sequences |
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1981 %!test |
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1982 %! str = "11\t12\t13\r21\t22\t23"; |
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1983 %! c = textscan (str, "", "delimiter", '\t', "EndOfLine", '\r'); |
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1984 %! assert (c{1}', [11, 21]); |
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1985 %! assert (c{2}', [12, 22]); |
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1986 %! assert (c{3}', [13, 23]); |
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1987 |
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1988 %!test <*44750> |
21625 | 1989 %! c = textscan ("/home/foo/", "%s", "delimiter", "/", |
1990 %! "MultipleDelimsAsOne", 1); | |
1991 %! assert (c{1}, {"home"; "foo"}); | |
1992 | |
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1993 ## FIXME: Test still fails (4/13/2016). |
21625 | 1994 ## Allow cuddling %sliteral, but warn it is ambiguous |
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1995 %!#test |
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1996 %! C = textscan ("abcxyz51\nxyz83\n##xyz101", "%s xyz %d"); |
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1997 %! assert (C{1}([1 3]), {"abc"; "##"}); |
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1998 %! assert (isempty (C{1}{2}), true); |
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1999 %! assert (C{2}, int32 ([51; 83; 101])); |
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2000 |
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2001 ## Literals are not delimiters. |
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2002 |
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2003 ## Test for false positives in check for non-supported format specifiers |
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2004 %!test |
21625 | 2005 %! c = textscan ("Total: 32.5 % (of cm values)", |
2006 %! "Total: %f %% (of cm values)"); | |
2007 %! assert (c{1}, 32.5, 1e-5); | |
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2008 |
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2009 ## Test various forms of string format specifiers |
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2010 %!test <*45712> |
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2011 %! str = "14 :1 z:2 z:3 z:5 z:11"; |
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2012 %! C = textscan (str, "%f %s %*s %3s %*3s %f", "delimiter", ":"); |
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2013 %! assert (C, {14, {"1 z"}, {"3 z"}, 11}); |
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2014 |
21625 | 2015 ## Bit width, fixed width conversion specifiers |
21502
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2016 %!test |
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2017 %! str2 = "123456789012345 "; |
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2018 %! str2 = [str2 str2 str2 str2 str2 str2 str2 str2]; |
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2019 %! str2 = [str2 "123456789.01234 1234567890.1234 12345.678901234 12345.678901234"]; |
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2020 %! 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"; |
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2021 %! C = textscan (str2, pttrn, "delimiter", " "); |
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2022 %! assert (C{1}, uint8 (123)); |
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2023 %! assert (C{2}, uint16 (12345)); |
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2024 %! assert (C{3}, uint32 (1234567890)); |
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2025 %! assert (C{4}, uint64 (123456789012345)); |
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2026 %! assert (C{5}, int8 (123)); |
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2027 %! assert (C{6}, int16 (12345)); |
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2028 %! assert (C{7}, int32 (1234567890)); |
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2029 %! assert (C{8}, int64 (123456789012345)); |
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2030 %! assert (C{9}, single (123456789), 1e-12); |
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2031 %! assert (C{10}, double (1234567890.123), 1e-15); |
7a19c5678f91
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2032 %! assert (C{11}, single (12345.68), 1e-5); |
7a19c5678f91
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2033 %! assert (C{12}, double (12345.68), 1e-11); |
7a19c5678f91
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|
2034 |
21625 | 2035 ## Bit width, fixed width conv. specifiers -- check the right amount is left |
21502
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|
2036 %!test |
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2037 %! str2 = "123456789012345 "; |
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2038 %! str2 = [str2 str2 "123456789.01234"]; |
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2039 %! pttrn = "%3u8 %5u16 %10u32 %3d8 %5d16 %10d32 %9f32 %9f"; |
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2040 %! C = textscan (str2, pttrn, "delimiter", " "); |
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|
2041 %! assert (C{1}, uint8 (123)); |
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|
2042 %! assert (C{2}, uint16 (45678)); |
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|
2043 %! assert (C{3}, uint32 (9012345)); |
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|
2044 %! assert (C{4}, int8 (123)); |
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2045 %! assert (C{5}, int16 (45678)); |
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2046 %! assert (C{6}, int32 (9012345)); |
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2047 %! assert (C{7}, single (123456789), 1e-12); |
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|
2048 %! assert (C{8}, double (0.01234), 1e-12); |
7a19c5678f91
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|
2049 |
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2050 %!test |
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2051 %! C = textscan ("123.123", "%2f %3f %3f"); |
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2052 %! assert (C{1}, 12); |
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2053 %! assert (C{2}, 3.1, 1e-11); |
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2054 %! assert (C{3}, 23); |
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2055 |
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2056 %!test |
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2057 %! C = textscan ("123.123", "%3f %3f %3f"); |
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2058 %! assert (C{1}, 123); |
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2059 %! assert (C{2}, 0.12, 1e-11); |
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|
2060 %! assert (C{3}, 3); |
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2061 |
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2062 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2063 %! C = textscan ("123.123", "%4f %3f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2064 %! assert (C{1}, 123); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2065 %! assert (C{2}, 123); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2066 |
21625 | 2067 ## field width interrupts exponent. (Matlab incorrectly gives [12, 2e12]) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2068 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2069 %! assert (textscan ("12e12", "%4f"), {[120; 2]}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2070 %! 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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changeset
|
2071 %! assert (textscan ("125e-12","%6f"), {[12.5; 2]}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2072 |
21625 | 2073 ## %[] tests |
2074 ## 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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changeset
|
2075 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2076 %! ar = "abcdefguvwxAny\nacegxyzTrailing\nJunk"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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|
2077 %! C = textscan (ar, "%[abcdefg] %*[uvwxyz] %s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2078 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2079 %! assert (C{2}, {"Any"; "Trailing"; "Junk"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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changeset
|
2080 |
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
|
2081 %!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
|
2082 %! 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
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changeset
|
2083 |
21625 | 2084 ## [^..] and *[^..] |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2085 %!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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|
2086 %! br = "abcdefguvwx1Any\nacegxyz2Trailing\n3Junk"; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2087 %! C = textscan (br, "%[abcdefg] %*[^0123456789] %s"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2088 %! assert (C{1}, {"abcdefg"; "aceg"; ""}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2089 %! assert (C{2}, {"1Any"; "2Trailing"; "3Junk"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2090 |
21625 | 2091 ## [..] and [^..] containing delimiters |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2092 %!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
|
2093 %! cr = "ab cd efguv wx1Any\na ce gx yz2Trailing\n 3Junk"; |
21625 | 2094 %! C = textscan (cr, "%[ abcdefg] %*[^0123456789] %s", "delimiter", " \n", |
2095 %! "whitespace", ""); | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2096 %! 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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|
2097 %! assert (C{2}, {"1Any"; "2Trailing"; "3Junk"}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2098 |
23573
1b4f4ec53b4a
use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents:
23572
diff
changeset
|
2099 %!assert <*36464> (textscan ("1 2 3 4 5 6", "%*n%n%*[^\n]"){1}, 2); |
21625 | 2100 |
2101 ## test %[]] and %[^]] | |
21502
7a19c5678f91
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changeset
|
2102 %!test |
21625 | 2103 %! assert (textscan ("345]", "%*[123456]%[]]"){1}{1}, "]"); |
2104 %! assert (textscan ("345]", "%*[^]]%s"){1}{1}, "]"); | |
2105 | |
2106 ## Test that "-i" checks the next two characters | |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2107 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2108 %! 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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|
2109 %! 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
|
2110 |
21625 | 2111 ## Again for "+i", this time with custom parser |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2112 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2113 %! 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
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|
2114 %! 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
|
2115 |
21625 | 2116 ## 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
|
2117 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2118 %! 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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|
2119 %! assert (C, {1, {"2"}, 3, 4}); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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diff
changeset
|
2120 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2121 ## 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
|
2122 %!test |
936ab0fca2f7
Textscan returns emptyVal for rows with literal but no conversion (bug #47458)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21507
diff
changeset
|
2123 %! 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
|
2124 %! 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
|
2125 |
21625 | 2126 ## Check overflow and underflow of integer types |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2127 %!test |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2128 %! a = "-1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2129 %! b = "1e90 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2130 %! fmt = "%d8 %d16 %d32 %d64 %u8 %u16 %u32 %u64 "; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2131 %! 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
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|
2132 %! assert (C{1}, int8 ([-128; 127])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2133 %! assert (C{2}, int16 ([-32768; 32767])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2134 %! assert (C{3}, int32 ([-2147483648; 2147483647])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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|
2135 %! assert (C{4}, int64 ([-9223372036854775808; 9223372036854775807])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2136 %! assert (C{5}, uint8 ([0; 255])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2137 %! assert (C{6}, uint16 ([0; 65535])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2138 %! assert (C{7}, uint32 ([0; 4294967295])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2139 %! assert (C{8}, uint64 ([0; 18446744073709551615])); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2140 |
21625 | 2141 ## 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
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changeset
|
2142 %!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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|
2143 %! f = tempname (); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2144 %! fid = fopen (f, "w+"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2145 %! 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
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|
2146 %! 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
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|
2147 %! 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
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|
2148 %! fseek (fid, 0, "bof"); |
7a19c5678f91
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|
2149 %! C = textscan (fid,"%s %s %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2150 %! %assert (C{1}, {"09/12/2005";"10/12/2005";"11/12/2005"}); |
7a19c5678f91
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|
2151 %! assert (C{2}, {"Level1";"Level2";"Level3"}); |
7a19c5678f91
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|
2152 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
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|
2153 %! assert (C{4}, [int8(45);int8(60);int8(12)]); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2154 %! assert (C{5}, [uint32(4294967295);uint32(4294967295);uint32(200000)]); |
7a19c5678f91
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|
2155 %! assert (C{6}, [inf;-inf;10]); |
7a19c5678f91
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|
2156 %! assert (C{7}, [NaN;0.001;100], eps); |
7a19c5678f91
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|
2157 %! assert (C{8}, {"Yes";"No";"No"}); |
7a19c5678f91
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|
2158 %! assert (C{9}, [5.1+3i;2.2-0.5i;3.1+0.1i]); |
7a19c5678f91
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changeset
|
2159 %! fseek (fid, 0, "bof"); |
7a19c5678f91
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|
2160 %! C = textscan (fid,"%s Level%d %f32 %d8 %u %f %f %s %f"); |
7a19c5678f91
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|
2161 %! assert (C{2}, [int32(1);int32(2);int32(3)]); |
7a19c5678f91
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|
2162 %! assert (C{3}, [single(12.34);single(23.54);single(34.90)]); |
7a19c5678f91
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|
2163 %! fseek (fid, 0, "bof"); |
21625 | 2164 %! C = textscan (fid, '%s %*[^\n]'); |
21502
7a19c5678f91
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|
2165 %! fclose (fid); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2166 %! unlink (f); |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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|
2167 %! assert (C, {{"09/12/2005";"10/12/2005";"11/12/2005"}}); |
7a19c5678f91
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changeset
|
2168 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
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changeset
|
2169 %!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
|
2170 %! 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
|
2171 %! 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
|
2172 %! 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
|
2173 %! 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
|
2174 %! 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
|
2175 %! 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
|
2176 %! 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
|
2177 %! 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
|
2178 %! 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
|
2179 %! 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
|
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,"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
|
2185 %! 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
|
2186 %! 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
|
2187 %! fseek (fid, 0, "bof"); |
21625 | 2188 %! C = textscan (fid, "%s %n %n %n %n", "Delimiter", ",", |
2189 %! "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
|
2190 %! 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
|
2191 %! 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
|
2192 %! 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
|
2193 %! 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
|
2194 %! 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
|
2195 %! 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
|
2196 %! 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
|
2197 |
21625 | 2198 ## 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
|
2199 ## 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
|
2200 %!#test |
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22725
diff
changeset
|
2201 %! 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
|
2202 %! assert (c(1), {1, "/", 2}); |
21507
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2203 |
2cdbae31c022
improve compatibility of textscan for character arrays
John W. Eaton <jwe@octave.org>
parents:
21506
diff
changeset
|
2204 %!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
|
2205 |
21625 | 2206 ## Check for delimiter after exponent |
21566
02826fb0f261
textscan: Fix bug in exponent parsing
Mike Miller <mtmiller@octave.org>
parents:
21551
diff
changeset
|
2207 %!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
|
2208 |
ddc91a2ee0e0
Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
23219
diff
changeset
|
2209 %!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
|
2210 %! 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
|
2211 %! 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
|
2212 %! 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
|
2213 |
24310
4dce9d03b2ba
Remove regression mark for second BIST test for textscan bug #52479.
Rik <rik@octave.org>
parents:
24304
diff
changeset
|
2214 %!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
|
2215 %! 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
|
2216 %! 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
|
2217 %! 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
|
2218 |
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
|
2219 %!test <52550> |
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
|
2220 %! 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
|
2221 %! 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
|
2222 %! 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
|
2223 %! 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
|
2224 %! 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
|
2225 |
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
|
2226 %!test <52550> |
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
|
2227 %! 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
|
2228 %! 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
|
2229 %! 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
|
2230 %! 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
|
2231 %! 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
|
2232 |
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 %!test <52550> |
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 %! 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
|
2235 %! 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
|
2236 %! 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
|
2237 %! 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
|
2238 %! 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
|
2239 |
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 %!test <52550> |
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 %! 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
|
2242 %! 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
|
2243 |
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 %!test <52550> |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2245 %! 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
|
2246 %! obs = textscan (str, "%f", "delimiter", ",;$"); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2247 %! assert (obs, { [0; 1; NaN; 2; 3] }); |
f77da8da0f3f
Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents:
24310
diff
changeset
|
2248 %! obs = textscan (str, "%f", "delimiter", {",",";","$"}); |
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
|
2249 %! 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
|
2250 |
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
|
2251 */ |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2252 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2253 // 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
|
2254 #if 0 |
21625 | 2255 ## 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
|
2256 %!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
|
2257 %! 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
|
2258 %! 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
|
2259 |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21457
diff
changeset
|
2260 ## 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
|
2261 %!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
|
2262 %! 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
|
2263 %! 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
|
2264 %! 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
|
2265 %! 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
|
2266 %! 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
|
2267 %! 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
|
2268 %! 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
|
2269 %! 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
|
2270 %! 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
|
2271 %! 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
|
2272 %! 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
|
2273 %! 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
|
2274 #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
|
2275 |
21625 | 2276 /* |
2277 ## Test input validation | |
2278 %!error textscan () | |
2279 %!error textscan (single (40)) | |
2280 %!error textscan ({40}) | |
2281 %!error <must be a string> textscan ("Hello World", 2) | |
2282 %!error <at most one character or> | |
2283 %! textscan ("Hello World", "%s", "EndOfLine", 3); | |
2284 %!error <'%z' is not a valid format specifier> textscan ("1.0", "%z") | |
2285 %!error <no valid format conversion specifiers> textscan ("1.0", "foo") | |
2286 */ | |
2287 | |
2116 | 2288 static octave_value |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2289 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
|
2290 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
|
2291 const octave_value& arch_arg, octave_idx_type& count) |
2116 | 2292 { |
2293 count = -1; | |
2294 | |
20703
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2295 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
|
2296 |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2297 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
|
2298 |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2299 int block_size = 1; |
85e5efae848a
eliminate more uses of error_state
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parents:
20700
diff
changeset
|
2300 oct_data_conv::data_type input_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2301 oct_data_conv::data_type output_type; |
85e5efae848a
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
2302 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2303 try |
2116 | 2304 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2305 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
|
2306 input_type, output_type); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2307 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2308 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2309 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2310 error (e, "fread: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2311 } |
4944 | 2312 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2313 int skip = 0; |
3202 | 2314 |
20741
a5ab31b52ae8
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20713
diff
changeset
|
2315 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2316 { |
a5ab31b52ae8
eliminate more uses of error_state
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20713
diff
changeset
|
2317 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
2318 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2319 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2320 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2321 error (e, "fread: SKIP must be an integer"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2322 } |
2116 | 2323 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2324 std::string arch = arch_arg.xstring_value ("fread: ARCH architecture type must be a string"); |
2116 | 2325 |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2326 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
|
2327 = 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
|
2328 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2329 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
|
2330 flt_fmt, count); |
2116 | 2331 } |
2332 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2333 DEFMETHOD (fread, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2334 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
|
2335 @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
|
2336 @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
|
2337 @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
|
2338 @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:
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diff
changeset
|
2339 @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
|
2340 @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
|
2341 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
|
2342 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2343 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
|
2344 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
|
2345 |
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
|
2346 @table @code |
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
|
2347 @item Inf |
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
|
2348 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
|
2349 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2350 @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
|
2351 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
|
2352 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2353 @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
|
2354 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
|
2355 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
|
2356 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
|
2357 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2358 @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
|
2359 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
|
2360 @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
|
2361 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
|
2362 @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
|
2363 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2364 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2365 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
|
2366 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2367 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
|
2368 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
|
2369 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2370 @table @asis |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2371 @item @qcode{"uint8"} (default) |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2372 8-bit unsigned integer. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2373 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2374 @item @qcode{"int8"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2375 @itemx @qcode{"integer*1"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2376 8-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2377 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2378 @item @qcode{"uint16"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2379 @itemx @qcode{"ushort"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2380 @itemx @qcode{"unsigned short"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2381 16-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2382 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
2383 @item @qcode{"int16"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2384 @itemx @qcode{"integer*2"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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changeset
|
2385 @itemx @qcode{"short"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2386 16-bit signed integer. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
2387 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2388 @item @qcode{"uint"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2389 @itemx @qcode{"uint32"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2390 @itemx @qcode{"unsigned int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2391 @itemx @qcode{"ulong"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2392 @itemx @qcode{"unsigned long"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2393 32-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2394 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2395 @item @qcode{"int"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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changeset
|
2396 @itemx @qcode{"int32"} |
21966
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2397 @itemx @qcode{"integer*4"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
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23949
diff
changeset
|
2398 @itemx @qcode{"long"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2399 32-bit signed integer. |
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
|
2400 |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2401 @item @qcode{"uint64"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2402 64-bit unsigned integer. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2403 |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2404 @item @qcode{"int64"} |
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
|
2405 @itemx @qcode{"integer*8"} |
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
|
2406 64-bit signed integer. |
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
|
2407 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2408 @item @qcode{"single"} |
23949
58435a400d4e
Document that fread 'float' size is 32 bits (bug #41672).
Rik <rik@octave.org>
parents:
23924
diff
changeset
|
2409 @itemx @qcode{"float"} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2410 @itemx @qcode{"float32"} |
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
|
2411 @itemx @qcode{"real*4"} |
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
|
2412 32-bit floating point number. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2413 |
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
|
2414 @item @qcode{"double"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2415 @itemx @qcode{"float64"} |
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
|
2416 @itemx @qcode{"real*8"} |
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
|
2417 64-bit floating point number. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2418 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2419 @item @qcode{"char"} |
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
|
2420 @itemx @qcode{"char*1"} |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2421 8-bit single character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2422 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2423 @item @qcode{"uchar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2424 @itemx @qcode{"unsigned char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2425 8-bit unsigned character. |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2426 |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2427 @item @qcode{"schar"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2428 @itemx @qcode{"signed char"} |
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2429 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:
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diff
changeset
|
2430 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2431 @end table |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2432 |
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
|
2433 @noindent |
23982
3706091dc91c
Make fread, fwrite precisions compatible with Matlab (bug #41672).
Rik <rik@octave.org>
parents:
23949
diff
changeset
|
2434 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>
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diff
changeset
|
2435 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2436 The @var{precision} argument may also specify an optional repeat |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2437 count. For example, @samp{32*single} causes @code{fread} to read |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2438 a block of 32 single precision floating point numbers. Reading in |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2439 blocks is useful in combination with the @var{skip} argument. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2440 |
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
|
2441 The @var{precision} argument may also specify a type conversion. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2442 For example, @samp{int16=>int32} causes @code{fread} to read 16-bit |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2443 integer values and return an array of 32-bit integer values. By |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2444 default, @code{fread} returns a double precision array. The special |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2445 form @samp{*TYPE} is shorthand for @samp{TYPE=>TYPE}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2446 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2447 The conversion and repeat counts may be combined. For example, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2448 specification @samp{32*single=>single} causes @code{fread} to read |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2449 blocks of single precision floating point values and return an array |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2450 of single precision values instead of the default array of double |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2451 precision values. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2452 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2453 The optional argument @var{skip} specifies the number of bytes to skip |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2454 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
|
2455 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
|
2456 complete, the final skip is omitted. For example, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2457 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2458 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2459 fread (f, 10, "3*single=>single", 8) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2460 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2461 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2462 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2463 will omit the final 8-byte skip because the last read will not be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2464 a complete block of 3 values. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
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 optional argument @var{arch} is a string specifying the data format |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2467 for the file. Valid values are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2468 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2469 @table @asis |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2470 @item @qcode{"native"} or @qcode{"n"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2471 The format of the current machine. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2472 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2473 @item @qcode{"ieee-be"} or @qcode{"b"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2474 IEEE big endian. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2475 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2476 @item @qcode{"ieee-le"} or @qcode{"l"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2477 IEEE little endian. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2478 @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
|
2479 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2480 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
|
2481 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
|
2482 @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:
21942
diff
changeset
|
2483 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2484 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
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parents:
21942
diff
changeset
|
2485 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2486 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:
21942
diff
changeset
|
2487 @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
|
2488 @end deftypefn */) |
529 | 2489 { |
2116 | 2490 int nargin = args.length (); |
2491 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2492 if (nargin < 1 || nargin > 5) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2493 print_usage (); |
2116 | 2494 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2495 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
|
2496 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2497 octave::stream os = streams.lookup (args(0), "fread"); |
2116 | 2498 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2499 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
|
2500 octave_value prec = "uint8"; |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2501 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2502 octave_value arch = "unknown"; |
2116 | 2503 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2504 int idx = 1; |
2116 | 2505 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2506 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
|
2507 size = args(idx++); |
2116 | 2508 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2509 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2510 prec = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2511 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2512 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2513 skip = args(idx++); |
4257 | 2514 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2515 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2516 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2517 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2518 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2519 arch = skip; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2520 skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2521 } |
2116 | 2522 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2523 octave_idx_type count = -1; |
20561
c41595061186
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20457
diff
changeset
|
2524 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2525 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
|
2526 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2527 return ovl (tmp, count); |
529 | 2528 } |
2529 | |
2116 | 2530 static int |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2531 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
|
2532 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
|
2533 const octave_value& arch_arg) |
2116 | 2534 { |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20687
diff
changeset
|
2535 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
|
2536 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2537 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
|
2538 oct_data_conv::data_type output_type; |
2116 | 2539 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2540 try |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20561
diff
changeset
|
2541 { |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2542 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
|
2543 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2544 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2545 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2546 error (e, "fwrite: invalid PRECISION specified"); |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2547 } |
2116 | 2548 |
20747
ee2743bd07a8
eliminate various compiler warnings
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
2549 int skip = 0; |
3202 | 2550 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2551 try |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2552 { |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2553 skip = skip_arg.int_value (true); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2554 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2555 catch (octave::execution_exception& e) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2556 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents:
20747
diff
changeset
|
2557 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
|
2558 } |
2116 | 2559 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2560 std::string arch = arch_arg.xstring_value ("fwrite: ARCH architecture type must be a string"); |
2116 | 2561 |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2562 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
|
2563 = 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
|
2564 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20713
diff
changeset
|
2565 return os.write (data, block_size, output_type, skip, flt_fmt); |
2116 | 2566 } |
2567 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2568 DEFMETHOD (fwrite, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2569 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
|
2570 @deftypefn {} {} fwrite (@var{fid}, @var{data}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2571 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2572 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2573 @deftypefnx {} {} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}, @var{arch}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2574 @deftypefnx {} {@var{count} =} fwrite (@dots{}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2575 Write data in binary form to the file specified by the file descriptor |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2576 @var{fid}, returning the number of values @var{count} successfully written |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2577 to 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
|
2578 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2579 The argument @var{data} is a matrix of values that are to be written to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2580 the file. The values are extracted in column-major order. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2581 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2582 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2583 optional, and are interpreted as described for @code{fread}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2584 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2585 The behavior of @code{fwrite} is undefined if the values in @var{data} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2586 are too large to fit in the specified precision. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2587 @seealso{fread, fputs, fprintf, fopen} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2588 @end deftypefn */) |
1181 | 2589 { |
2116 | 2590 int nargin = args.length (); |
2591 | |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2592 if (nargin < 2 || nargin > 5) |
5823 | 2593 print_usage (); |
2116 | 2594 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2595 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
|
2596 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2597 octave::stream os = streams.lookup (args(0), "fwrite"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2598 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2599 octave_value prec = "uchar"; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2600 octave_value skip = 0; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2601 octave_value arch = "unknown"; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2602 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2603 int idx = 1; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2604 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2605 octave_value data = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2606 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2607 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2608 prec = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2609 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2610 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2611 skip = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2612 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2613 if (nargin > idx) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2614 arch = args(idx++); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2615 else if (skip.is_string ()) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2616 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2617 arch = skip; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2618 skip = 0; |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2619 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2620 |
21127
df7891224709
maint: Use "return ovl (...)" in DEFUN macros.
Rik <rik@octave.org>
parents:
21126
diff
changeset
|
2621 return ovl (do_fwrite (os, data, prec, skip, arch)); |
1181 | 2622 } |
2623 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2624 DEFMETHODX ("feof", Ffeof, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2625 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
2626 @deftypefn {} {@var{status} =} feof (@var{fid}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2627 Return 1 if an end-of-file condition has been encountered for the file |
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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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|
2628 specified by file descriptor @var{fid} and 0 otherwise. |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
2629 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2630 Note that @code{feof} will only return 1 if the end of the file has already |
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changeset
|
2631 been encountered, not if the next read operation will result in an |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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changeset
|
2632 end-of-file condition. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
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changeset
|
2633 @seealso{fread, frewind, fseek, fclear, fopen} |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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changeset
|
2634 @end deftypefn */) |
529 | 2635 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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changeset
|
2636 if (args.length () != 1) |
5823 | 2637 print_usage (); |
444 | 2638 |
23738
8acd390d16c9
don't use singleton for stream_list object
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changeset
|
2639 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
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|
2640 |
8acd390d16c9
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changeset
|
2641 octave::stream os = streams.lookup (args(0), "feof"); |
20805
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|
2642 |
21127
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Rik <rik@octave.org>
parents:
21126
diff
changeset
|
2643 return ovl (os.eof () ? 1.0 : 0.0); |
444 | 2644 } |
2645 | |
23738
8acd390d16c9
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|
2646 DEFMETHODX ("ferror", Fferror, interp, args, , |
8acd390d16c9
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|
2647 doc: /* -*- texinfo -*- |
21966
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|
2648 @deftypefn {} {@var{msg} =} ferror (@var{fid}) |
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changeset
|
2649 @deftypefnx {} {[@var{msg}, @var{err}] =} ferror (@var{fid}) |
22725
37e53505e2eb
doc: Use Texinfo dots macro to create ellipses.
Rik <rik@octave.org>
parents:
22720
diff
changeset
|
2650 @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
|
2651 Query the error status of the stream specified by file descriptor @var{fid}. |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2652 |
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2653 If an error condition exists then return a string @var{msg} describing the |
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2654 error. Otherwise, return an empty string @qcode{""}. |
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2655 |
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2656 The second input @qcode{"clear"} is optional. If supplied, the error |
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2657 state on the stream will be cleared. |
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2658 |
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2659 The optional second output is a numeric indication of the error status. |
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2660 @var{err} is 1 if an error condition has been encountered and 0 otherwise. |
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2661 |
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2662 Note that @code{ferror} indicates if an error has already occurred, not |
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2663 whether the next operation will result in an error condition. |
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2664 @seealso{fclear, fopen} |
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2665 @end deftypefn */) |
1230 | 2666 { |
2095 | 2667 int nargin = args.length (); |
1230 | 2668 |
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2669 if (nargin < 1 || nargin > 2) |
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2670 print_usage (); |
1230 | 2671 |
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2672 octave::stream_list& streams = interp.get_stream_list (); |
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2673 |
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2674 octave::stream os = streams.lookup (args(0), "ferror"); |
1230 | 2675 |
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2676 bool clear = false; |
2095 | 2677 |
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2678 if (nargin == 2) |
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2679 { |
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2680 std::string opt = args(1).string_value (); |
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2681 |
20805
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2682 clear = (opt == "clear"); |
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2683 } |
1755 | 2684 |
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2685 int error_number = 0; |
1230 | 2686 |
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2687 std::string error_message = os.error (clear, error_number); |
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2688 |
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Rik <rik@octave.org>
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2689 return ovl (error_message, error_number); |
1230 | 2690 } |
2691 | |
23738
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2692 DEFMETHODX ("popen", Fpopen, interp, args, , |
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2693 doc: /* -*- texinfo -*- |
21966
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2694 @deftypefn {} {@var{fid} =} popen (@var{command}, @var{mode}) |
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2695 Start a process and create a pipe. |
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2696 |
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2697 The name of the command to run is given by @var{command}. The argument |
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2698 @var{mode} may be |
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2699 |
22720
766b0163b3b7
doc: Don't create @tables of type @code with @qcode entries.
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2700 @table @asis |
21966
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2701 @item @qcode{"r"} |
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2702 The pipe will be connected to the standard output of the process, and |
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2703 open for reading. |
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2704 |
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2705 @item @qcode{"w"} |
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2706 The pipe will be connected to the standard input of the process, and |
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2707 open for writing. |
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2708 @end table |
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2709 |
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2710 The file identifier corresponding to the input or output stream of the |
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2711 process is returned in @var{fid}. |
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2712 |
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2713 For example: |
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2714 |
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2715 @example |
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2716 @group |
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2717 fid = popen ("ls -ltr / | tail -3", "r"); |
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2718 while (ischar (s = fgets (fid))) |
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2719 fputs (stdout, s); |
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2720 endwhile |
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2721 |
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2722 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc |
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2723 @print{} drwxr-xr-x 3 root root 1024 Feb 15 13:28 lib |
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2724 @print{} drwxrwxrwt 15 root root 2048 Feb 17 14:53 tmp |
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2725 @end group |
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2726 @end example |
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2727 @seealso{popen2} |
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2728 @end deftypefn */) |
1230 | 2729 { |
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2730 if (args.length () != 2) |
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|
2731 print_usage (); |
1230 | 2732 |
20805
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2733 std::string name = args(0).xstring_value ("popen: COMMAND must be a string"); |
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|
2734 std::string mode = args(1).xstring_value ("popen: MODE must be a string"); |
1230 | 2735 |
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Rik <rik@octave.org>
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|
2736 octave_value retval; |
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|
2737 |
23738
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2738 octave::stream_list& streams = interp.get_stream_list (); |
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2739 |
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|
2740 if (mode == "r") |
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2741 { |
23059
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2742 octave::stream ips = octave_iprocstream::create (name); |
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2743 |
23738
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|
2744 retval = streams.insert (ips); |
20805
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|
2745 } |
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2746 else if (mode == "w") |
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2747 { |
23059
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2748 octave::stream ops = octave_oprocstream::create (name); |
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2749 |
23738
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|
2750 retval = streams.insert (ops); |
2095 | 2751 } |
1230 | 2752 else |
20805
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|
2753 error ("popen: invalid MODE specified"); |
1230 | 2754 |
2755 return retval; | |
2756 } | |
2757 | |
23738
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|
2758 DEFMETHODX ("pclose", Fpclose, interp, args, , |
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2759 doc: /* -*- texinfo -*- |
21966
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2760 @deftypefn {} {} pclose (@var{fid}) |
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2761 Close a file identifier that was opened by @code{popen}. |
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2762 |
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2763 The function @code{fclose} may also be used for the same purpose. |
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2764 @seealso{fclose, popen} |
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2765 @end deftypefn */) |
1230 | 2766 { |
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|
2767 if (args.length () != 1) |
5823 | 2768 print_usage (); |
1379 | 2769 |
23738
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2770 octave::stream_list& streams = interp.get_stream_list (); |
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2771 |
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2772 return ovl (streams.remove (args(0), "pclose")); |
1379 | 2773 } |
2774 | |
19278
6ca096827123
Use tempname() rather than tmpnam() in core Octave.
Rik <rik@octave.org>
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19268
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|
2775 DEFUN (tempname, args, , |
21966
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2776 doc: /* -*- texinfo -*- |
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2777 @deftypefn {} {@var{fname} =} tempname () |
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2778 @deftypefnx {} {@var{fname} =} tempname (@var{dir}) |
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2779 @deftypefnx {} {@var{fname} =} tempname (@var{dir}, @var{prefix}) |
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2780 Return a unique temporary filename as a string. |
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2781 |
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|
2782 If @var{prefix} is omitted, a value of @qcode{"oct-"} is used. |
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2783 |
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2784 If @var{dir} is also omitted, the default directory for temporary files |
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2785 (@code{P_tmpdir}) is used. If @var{dir} is provided, it must exist, |
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|
2786 otherwise the default directory for temporary files is used. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2787 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2788 Programming Note: Because the named file is not opened by @code{tempname}, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2789 it is possible, though relatively unlikely, that it will not be available |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2790 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
|
2791 see @code{tmpfile}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2792 @seealso{mkstemp, tempdir, P_tmpdir, tmpfile} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2793 @end deftypefn */) |
1802 | 2794 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2795 int nargin = args.length (); |
2936 | 2796 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2797 if (nargin > 2) |
5823 | 2798 print_usage (); |
1802 | 2799 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2800 std::string dir; |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2801 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2802 if (nargin > 0) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2803 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
|
2804 else |
1e81abd0314a
tempname: respect the value of $TMPDIR if set, be consistent with tempdir
Mike Miller <mtmiller@octave.org>
parents:
22489
diff
changeset
|
2805 dir = octave::sys::env::getenv ("TMPDIR"); |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2806 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2807 std::string pfx ("oct-"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2808 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20805
diff
changeset
|
2809 if (nargin > 1) |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2810 pfx = args(1).xstring_value ("tempname: PREFIX must be a string"); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2811 |
21733
cb0fdd941d84
use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
2812 return ovl (octave::sys::tempnam (dir, pfx)); |
1802 | 2813 } |
2814 | |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2815 /* |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2816 %!test |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2817 %! envvar = {"TMPDIR", "TMP"}; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2818 %! 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
|
2819 %! unwind_protect |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2820 %! 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
|
2821 %! envname = "TMPDIR"; |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2822 %! def_tmpdir = P_tmpdir; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2823 %! ## 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
|
2824 %! 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
|
2825 %! def_tmpdir(end) = []; |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2826 %! endwhile |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2827 %! |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2828 %! ## 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
|
2829 %! fname = tempname (); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2830 %! [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
|
2831 %! 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
|
2832 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2833 %! ## 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
|
2834 %! 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
|
2835 %! 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
|
2836 %! 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
|
2837 %! fname = tempname (tmp_tmpdir); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2838 %! [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
|
2839 %! 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
|
2840 %! 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
|
2841 %! ## 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
|
2842 %! fname = tempname (""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2843 %! [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
|
2844 %! 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
|
2845 %! assert (tmpfname (1:4), "oct-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2846 %! ## 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
|
2847 %! fname = tempname (tmp_tmpdir, "pfx-"); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2848 %! [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
|
2849 %! 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
|
2850 %! 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
|
2851 %! ## 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
|
2852 %! fname = tempname (tmp_tmpdir, ""); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents:
19420
diff
changeset
|
2853 %! [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
|
2854 %! 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
|
2855 %! 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
|
2856 %! 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
|
2857 %! rmdir (tmp_tmpdir); |
24662
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2858 %! 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
|
2859 %! if (isempty (envdir{i})) |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2860 %! unsetenv (envvar{i}); |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2861 %! else |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2862 %! 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
|
2863 %! endif |
276eca875721
Clear environment variables affecting tmpdir before running BIST tests (bug #52627)
Rik <rik@octave.org>
parents:
24534
diff
changeset
|
2864 %! endfor |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2865 %! 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
|
2866 */ |
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
parents:
19403
diff
changeset
|
2867 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2868 DEFMETHOD (tmpfile, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2869 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
|
2870 @deftypefn {} {[@var{fid}, @var{msg}] =} tmpfile () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
21942
diff
changeset
|
2871 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
|
2872 name. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2873 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2874 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
|
2875 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
|
2876 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2877 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>
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21942
diff
changeset
|
2878 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>
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21942
diff
changeset
|
2879 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
|
2880 @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
|
2881 @end deftypefn */) |
4326 | 2882 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2883 if (args.length () != 0) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2884 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2885 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2886 octave_value_list retval; |
4326 | 2887 |
21991
80659e58609f
provide wrapper for tmpfile (bug #48337)
John W. Eaton <jwe@octave.org>
parents:
21966
diff
changeset
|
2888 FILE *fid = octave_tmpfile_wrapper (); |
4326 | 2889 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2890 if (fid) |
2d6ddb2b157c
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20785
diff
changeset
|
2891 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2892 std::string nm; |
4326 | 2893 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2894 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b"); |
4326 | 2895 |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2896 octave::stream s = octave_stdiostream::create (nm, fid, md); |
4326 | 2897 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
2898 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
|
2899 { |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2900 fclose (fid); |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2901 |
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2902 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
|
2903 } |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20785
diff
changeset
|
2904 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2905 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
|
2906 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2907 retval = ovl (streams.insert (s), ""); |
4326 | 2908 } |
2909 else | |
23741
3bb1c94b41f2
* file-io.cc (Ftmpfile): Close tmp file if stream creation fails.
John W. Eaton <jwe@octave.org>
parents:
23738
diff
changeset
|
2910 retval = ovl (-1, std::strerror (errno)); |
4326 | 2911 |
2912 return retval; | |
2913 } | |
2914 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2915 DEFMETHOD (mkstemp, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2916 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
|
2917 @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
|
2918 @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
|
2919 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
|
2920 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
|
2921 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2922 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
|
2923 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
|
2924 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
|
2925 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
|
2926 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
|
2927 @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
|
2928 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2929 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
|
2930 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
|
2931 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2932 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
|
2933 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
|
2934 @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
|
2935 message. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2936 @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
|
2937 @end deftypefn */) |
4326 | 2938 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2939 int nargin = args.length (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2940 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2941 if (nargin < 1 || nargin > 2) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2942 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2943 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2944 std::string tmpl8 = args(0).xstring_value ("mkstemp: TEMPLATE argument must be a string"); |
4326 | 2945 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2946 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
|
2947 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2948 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
|
2949 strcpy (tmp, tmpl8.c_str ()); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2950 |
21888
00f1249f2483
create wrappers for some gnulib functions
John W. Eaton <jwe@octave.org>
parents:
21852
diff
changeset
|
2951 int fd = octave_mkostemp_wrapper (tmp); |
4326 | 2952 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2953 if (fd < 0) |
4326 | 2954 { |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2955 retval(0) = fd; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
2956 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
|
2957 } |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2958 else |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2959 { |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2960 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
|
2961 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2962 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
|
2963 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2964 if (! fid) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2965 { |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2966 retval(0) = -1; |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21919
diff
changeset
|
2967 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
|
2968 } |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2969 else |
20805
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 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
|
2972 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
2973 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
|
2974 |
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22837
diff
changeset
|
2975 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
|
2976 |
20884
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2977 if (! s) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2978 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
|
2979 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2980 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
|
2981 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
2982 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
|
2983 retval(1) = nm; |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2984 |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2985 if (nargin == 2 && args(1).is_true ()) |
f1b2a2dbc0e1
2015 Code Sprint: use ovl () in C++ files.
José Luis García Pallero <jgpallero@gmail.com>
parents:
20861
diff
changeset
|
2986 mark_for_deletion (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
2987 } |
4326 | 2988 } |
2989 | |
2990 return retval; | |
2991 } | |
2992 | |
20200
d9f35ceff9e1
Change mkfifo to use an octal argument for MODE (bug #45054).
Rik <rik@octave.org>
parents:
20198
diff
changeset
|
2993 // 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
|
2994 // Maybe change to be a general utility routine. |
1400 | 2995 static int |
2996 convert (int x, int ibase, int obase) | |
2997 { | |
2998 int retval = 0; | |
2999 | |
3000 int tmp = x % obase; | |
3001 | |
3002 if (tmp > ibase - 1) | |
20428
7ac907da9fba
Use error() rather than ::error() unless explicitly required.
Rik <rik@octave.org>
parents:
20200
diff
changeset
|
3003 error ("umask: invalid digit"); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3004 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3005 retval = tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3006 int mult = ibase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3007 while ((x = (x - tmp) / obase)) |
1400 | 3008 { |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3009 tmp = x % obase; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3010 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3011 if (tmp > ibase - 1) |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3012 error ("umask: invalid digit"); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3013 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3014 retval += mult * tmp; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
20962
diff
changeset
|
3015 mult *= ibase; |
1400 | 3016 } |
3017 | |
3018 return retval; | |
3019 } | |
3020 | |
10197
4d433bd2d4dc
attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
3021 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
|
3022 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
|
3023 @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
|
3024 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
|
3025 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3026 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
|
3027 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3028 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
|
3029 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
|
3030 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3031 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
|
3032 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
|
3033 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
|
3034 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
|
3035 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
|
3036 @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
|
3037 @end deftypefn */) |
1400 | 3038 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3039 if (args.length () != 1) |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3040 print_usage (); |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3041 |
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3042 int mask = args(0).xint_value ("umask: MASK must be an integer"); |
1400 | 3043 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3044 if (mask < 0) |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3045 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>
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diff
changeset
|
3046 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3047 int oct_mask = convert (mask, 8, 10); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3048 |
21733
cb0fdd941d84
use namespace for system file_ops class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
3049 int status = convert (octave::sys::umask (oct_mask), 10, 8); |
1400 | 3050 |
3051 if (status >= 0) | |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3052 return ovl (status); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20898
diff
changeset
|
3053 else |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
3054 return ovl (); |
1400 | 3055 } |
3056 | |
5749 | 3057 static octave_value |
6483 | 3058 const_value (const char *, const octave_value_list& args, int val) |
2189 | 3059 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3060 if (args.length () != 0) |
5823 | 3061 print_usage (); |
5749 | 3062 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3063 return octave_value (val); |
5749 | 3064 } |
3065 | |
3066 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
|
3067 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3068 @deftypefn {} {} P_tmpdir () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
3069 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:
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diff
changeset
|
3070 temporary files. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
3071 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3072 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
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parents:
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diff
changeset
|
3073 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>
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diff
changeset
|
3074 @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:
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diff
changeset
|
3075 environment variable. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
3076 @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:
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diff
changeset
|
3077 @end deftypefn */) |
5749 | 3078 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3079 if (args.length () != 0) |
5823 | 3080 print_usage (); |
5749 | 3081 |
25649
85c3e315bd43
move libinterp/corefcn/sysdep functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
3082 return ovl (octave::get_P_tmpdir ()); |
5749 | 3083 } |
2341 | 3084 |
5749 | 3085 // 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
|
3086 // this way for Matlab compatibility. |
5749 | 3087 |
3088 DEFUNX ("SEEK_SET", FSEEK_SET, args, , | |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3089 doc: /* -*- texinfo -*- |
25032
a1e391e33004
doc: grammarcheck documentation again ahead of 4.4 release.
Rik <rik@octave.org>
parents:
25005
diff
changeset
|
3090 @deftypefn {} {} SEEK_SET () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3091 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
|
3092 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
|
3093 @seealso{SEEK_CUR, SEEK_END, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3094 @end deftypefn */) |
5749 | 3095 { |
3096 return const_value ("SEEK_SET", args, -1); | |
3097 } | |
2189 | 3098 |
5749 | 3099 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3100 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3101 @deftypefn {} {} SEEK_CUR () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3102 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
|
3103 relative to the current position. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3104 @seealso{SEEK_SET, SEEK_END, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3105 @end deftypefn */) |
5749 | 3106 { |
3107 return const_value ("SEEK_CUR", args, 0); | |
3108 } | |
2189 | 3109 |
5749 | 3110 DEFUNX ("SEEK_END", FSEEK_END, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3111 doc: /* -*- texinfo -*- |
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
|
3112 @deftypefn {} {} SEEK_END () |
25005
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3113 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
|
3114 relative to the end of the file. |
db1e3f3664f4
doc: Update documentation for SEEK_SET, SEEK_CUR, SEEK_END.
Rik <rik@octave.org>
parents:
25003
diff
changeset
|
3115 @seealso{SEEK_SET, SEEK_CUR, fseek} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3116 @end deftypefn */) |
5749 | 3117 { |
3118 return const_value ("SEEK_END", args, 1); | |
3119 } | |
3120 | |
3121 static octave_value | |
6483 | 3122 const_value (const char *, const octave_value_list& args, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10259
diff
changeset
|
3123 const octave_value& val) |
5749 | 3124 { |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3125 if (args.length () != 0) |
5823 | 3126 print_usage (); |
5749 | 3127 |
20805
2d6ddb2b157c
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
3128 return octave_value (val); |
5749 | 3129 } |
3130 | |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3131 DEFMETHODX ("stdin", Fstdin, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
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23737
diff
changeset
|
3132 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3133 @deftypefn {} {} stdin () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
3134 Return the numeric value corresponding to the standard input stream. |
112b20240c87
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3135 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
3136 When Octave is used interactively, stdin is filtered through the command |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
3137 line editing functions. |
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
|
3138 @seealso{stdout, stderr} |
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
|
3139 @end deftypefn */) |
5749 | 3140 { |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3141 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
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diff
changeset
|
3142 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
diff
changeset
|
3143 return const_value ("stdin", args, streams.stdin_file ()); |
5749 | 3144 } |
2189 | 3145 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3146 DEFMETHODX ("stdout", Fstdout, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
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23737
diff
changeset
|
3147 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
3148 @deftypefn {} {} stdout () |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3149 Return the numeric value corresponding to the standard output stream. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
3150 |
24801
daf61c7dfcae
Change default status of pager to "off" (bug #53217).
Rik <rik@octave.org>
parents:
24662
diff
changeset
|
3151 Data written to the standard output may be filtered through the pager. |
daf61c7dfcae
Change default status of pager to "off" (bug #53217).
Rik <rik@octave.org>
parents:
24662
diff
changeset
|
3152 @seealso{stdin, stderr, page_screen_output} |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21942
diff
changeset
|
3153 @end deftypefn */) |
5749 | 3154 { |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
diff
changeset
|
3155 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
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John W. Eaton <jwe@octave.org>
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|
3156 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
diff
changeset
|
3157 return const_value ("stdout", args, streams.stdout_file ()); |
5749 | 3158 } |
2189 | 3159 |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
diff
changeset
|
3160 DEFMETHODX ("stderr", Fstderr, interp, args, , |
8acd390d16c9
don't use singleton for stream_list object
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|
3161 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
3162 @deftypefn {} {} stderr () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3163 Return the numeric value corresponding to the standard error stream. |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3164 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3165 Even if paging is turned on, the standard error is not sent to the pager. |
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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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|
3166 It is useful for error messages and prompts. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
3167 @seealso{stdin, stdout} |
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move docstrings in C++ files out of C strings and into comments
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21942
diff
changeset
|
3168 @end deftypefn */) |
5749 | 3169 { |
23738
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
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23737
diff
changeset
|
3170 octave::stream_list& streams = interp.get_stream_list (); |
8acd390d16c9
don't use singleton for stream_list object
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23737
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changeset
|
3171 |
8acd390d16c9
don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents:
23737
diff
changeset
|
3172 return const_value ("stderr", args, streams.stderr_file ()); |
2189 | 3173 } |