Mercurial > octave-nkf
annotate libinterp/corefcn/load-save.cc @ 17349:cb27dbf9e4ba
Don't warn about saving empty variable names for Matlab compatibility (bug #34259)
* libinterp/corefcn/load-save.cc(save_vars): Test var name for "" and skip
rather than emitting warning.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 29 Aug 2013 19:48:58 -0700 |
parents | bc924baa2c4e |
children | 5415a9cd61d4 |
rev | line source |
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6763 | 1 /* |
604 | 2 |
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maint: update copyright notices for 2012
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3 Copyright (C) 1994-2012 John W. Eaton |
604 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
604 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
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 |
19 <http://www.gnu.org/licenses/>. | |
604 | 20 |
21 */ | |
22 | |
3911 | 23 // Author: John W. Eaton. |
24 // HDF5 support by Steven G. Johnson <stevenj@alum.mit.edu> | |
25 // Matlab v5 support by James R. Van Zandt <jrv@vanzandt.mv.com> | |
3687 | 26 |
604 | 27 #ifdef HAVE_CONFIG_H |
1192 | 28 #include <config.h> |
604 | 29 #endif |
30 | |
1343 | 31 #include <cfloat> |
32 #include <cstring> | |
33 #include <cctype> | |
34 | |
4249 | 35 #include <fstream> |
3503 | 36 #include <iomanip> |
37 #include <iostream> | |
5765 | 38 #include <sstream> |
1728 | 39 #include <string> |
40 | |
9946 | 41 #include "strftime.h" |
42 | |
1961 | 43 #include "byte-swap.h" |
44 #include "data-conv.h" | |
2926 | 45 #include "file-ops.h" |
6159 | 46 #include "file-stat.h" |
2926 | 47 #include "glob-match.h" |
2890 | 48 #include "lo-mappers.h" |
2318 | 49 #include "mach-info.h" |
3185 | 50 #include "oct-env.h" |
3258 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1755 | 53 #include "str-vec.h" |
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54 #include "oct-locbuf.h" |
1755 | 55 |
4332 | 56 #include "Cell.h" |
1352 | 57 #include "defun.h" |
604 | 58 #include "error.h" |
777 | 59 #include "gripes.h" |
6159 | 60 #include "load-path.h" |
1352 | 61 #include "load-save.h" |
1750 | 62 #include "oct-obj.h" |
3687 | 63 #include "oct-map.h" |
4332 | 64 #include "ov-cell.h" |
1352 | 65 #include "pager.h" |
1750 | 66 #include "pt-exp.h" |
1352 | 67 #include "symtab.h" |
68 #include "sysdep.h" | |
69 #include "unwind-prot.h" | |
604 | 70 #include "utils.h" |
2371 | 71 #include "variables.h" |
3185 | 72 #include "version.h" |
3688 | 73 #include "dMatrix.h" |
74 | |
4633 | 75 #include "ls-hdf5.h" |
76 #include "ls-mat-ascii.h" | |
77 #include "ls-mat4.h" | |
78 #include "ls-mat5.h" | |
79 #include "ls-oct-ascii.h" | |
80 #include "ls-oct-binary.h" | |
3688 | 81 |
10309 | 82 // Remove gnulib definitions, if any. |
83 #ifdef close | |
84 #undef close | |
85 #endif | |
86 #ifdef open | |
87 #undef open | |
5269 | 88 #endif |
89 | |
10309 | 90 #ifdef HAVE_ZLIB |
91 #include "zfstream.h" | |
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92 #endif |
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93 |
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94 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 95 static bool Vcrash_dumps_octave_core = true; |
3189 | 96 |
4791 | 97 // The maximum amount of memory (in kilobytes) that we will attempt to |
98 // write to the Octave core file. | |
5794 | 99 static double Voctave_core_file_limit = -1.0; |
4791 | 100 |
101 // The name of the Octave core file. | |
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102 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 103 |
3687 | 104 // The default output format. May be one of "binary", "text", |
105 // "mat-binary", or "hdf5". | |
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106 static std::string Vsave_default_options = "-text"; |
2194 | 107 |
5284 | 108 // The output format for Octave core files. |
5794 | 109 static std::string Voctave_core_file_options = "-binary"; |
110 | |
111 static std::string | |
112 default_save_header_format (void) | |
113 { | |
114 return | |
115 std::string ("# Created by Octave " OCTAVE_VERSION | |
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116 ", %a %b %d %H:%M:%S %Y %Z <") |
5794 | 117 + octave_env::get_user_name () |
118 + std::string ("@") | |
119 + octave_env::get_host_name () | |
120 + std::string (">"); | |
121 } | |
4788 | 122 |
3709 | 123 // The format string for the comment line at the top of text-format |
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124 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 125 // no newline characters. |
5794 | 126 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 127 |
5369 | 128 static void |
129 gripe_file_open (const std::string& fcn, const std::string& file) | |
130 { | |
131 if (fcn == "load") | |
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132 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 133 else if (fcn == "save") |
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134 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 135 else |
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136 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 137 } |
138 | |
7336 | 139 // Install a variable with name NAME and the value VAL in the |
140 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 141 |
142 static void | |
7336 | 143 install_loaded_variable (const std::string& name, |
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144 const octave_value& val, |
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145 bool global, const std::string& /*doc*/) |
604 | 146 { |
147 if (global) | |
148 { | |
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149 symbol_table::clear (name); |
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150 symbol_table::mark_global (name); |
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151 symbol_table::global_assign (name, val); |
604 | 152 } |
153 else | |
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154 symbol_table::assign (name, val); |
604 | 155 } |
156 | |
3019 | 157 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 158 |
3013 | 159 static bool |
3769 | 160 matches_patterns (const string_vector& patterns, int pat_idx, |
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161 int num_pat, const std::string& name) |
604 | 162 { |
1755 | 163 for (int i = pat_idx; i < num_pat; i++) |
604 | 164 { |
1792 | 165 glob_match pattern (patterns[i]); |
3013 | 166 |
1792 | 167 if (pattern.match (name)) |
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168 return true; |
604 | 169 } |
3688 | 170 |
3013 | 171 return false; |
604 | 172 } |
173 | |
4329 | 174 int |
3523 | 175 read_binary_file_header (std::istream& is, bool& swap, |
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176 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 177 { |
3552 | 178 const int magic_len = 10; |
179 char magic[magic_len+1]; | |
5760 | 180 is.read (magic, magic_len); |
604 | 181 magic[magic_len] = '\0'; |
3688 | 182 |
604 | 183 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 184 swap = oct_mach_info::words_big_endian (); |
604 | 185 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 186 swap = ! oct_mach_info::words_big_endian (); |
604 | 187 else |
188 { | |
189 if (! quiet) | |
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190 error ("load: unable to read read binary file"); |
604 | 191 return -1; |
192 } | |
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193 |
604 | 194 char tmp = 0; |
5760 | 195 is.read (&tmp, 1); |
604 | 196 |
2318 | 197 flt_fmt = mopt_digit_to_float_format (tmp); |
198 | |
4574 | 199 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 200 { |
201 if (! quiet) | |
202 error ("load: unrecognized binary format!"); | |
3688 | 203 |
604 | 204 return -1; |
205 } | |
206 | |
207 return 0; | |
208 } | |
209 | |
5269 | 210 #ifdef HAVE_ZLIB |
211 static bool | |
212 check_gzip_magic (const std::string& fname) | |
213 { | |
214 bool retval = false; | |
215 std::ifstream file (fname.c_str ()); | |
216 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
217 | |
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218 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f && |
5269 | 219 magic[1] == 0x8b) |
220 retval = true; | |
221 | |
222 file.close (); | |
223 return retval; | |
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224 } |
5269 | 225 #endif |
226 | |
604 | 227 static load_save_format |
6625 | 228 get_file_format (std::istream& file, const std::string& filename) |
604 | 229 { |
230 load_save_format retval = LS_UNKNOWN; | |
231 | |
4574 | 232 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 233 |
3019 | 234 bool swap = false; |
235 | |
236 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 237 retval = LS_BINARY; |
238 else | |
239 { | |
6202 | 240 file.clear (); |
3538 | 241 file.seekg (0, std::ios::beg); |
604 | 242 |
5828 | 243 int32_t mopt, nr, nc, imag, len; |
1180 | 244 |
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245 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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246 true); |
1180 | 247 |
248 if (! err) | |
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249 retval = LS_MAT_BINARY; |
604 | 250 else |
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251 { |
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252 file.clear (); |
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253 file.seekg (0, std::ios::beg); |
604 | 254 |
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255 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 256 |
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257 if (! err) |
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258 { |
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259 file.clear (); |
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260 file.seekg (0, std::ios::beg); |
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261 retval = LS_MAT5_BINARY; |
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262 } |
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263 else |
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264 { |
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265 file.clear (); |
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266 file.seekg (0, std::ios::beg); |
3688 | 267 |
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268 std::string tmp = extract_keyword (file, "name"); |
4171 | 269 |
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270 if (! tmp.empty ()) |
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271 retval = LS_ASCII; |
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272 else |
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273 { |
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274 file.clear (); |
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275 file.seekg (0, std::ios::beg); |
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276 |
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277 // FIXME -- looks_like_mat_ascii_file does not check to see |
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278 // whether the file contains numbers. It just skips comments and |
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279 // checks for the same number of words on each line. We may need |
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280 // a better check here. The best way to do that might be just |
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281 // to try to read the file and see if it works. |
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282 |
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283 if (looks_like_mat_ascii_file (file, filename)) |
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284 retval = LS_MAT_ASCII; |
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285 } |
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286 } |
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287 } |
604 | 288 } |
289 | |
5269 | 290 return retval; |
291 } | |
5977 | 292 |
5269 | 293 static load_save_format |
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294 get_file_format (const std::string& fname, const std::string& orig_fname, |
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295 bool &use_zlib, bool quiet = false) |
5269 | 296 { |
297 load_save_format retval = LS_UNKNOWN; | |
298 | |
299 #ifdef HAVE_HDF5 | |
300 // check this before we open the file | |
301 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
302 return LS_HDF5; | |
303 #endif /* HAVE_HDF5 */ | |
604 | 304 |
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305 #ifdef HAVE_ZLIB |
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306 use_zlib = check_gzip_magic (fname); |
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307 #else |
5269 | 308 use_zlib = false; |
5977 | 309 #endif |
5269 | 310 |
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311 if (! use_zlib) |
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312 { |
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313 std::ifstream file (fname.c_str ()); |
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314 if (file) |
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315 { |
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316 retval = get_file_format (file, orig_fname); |
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317 file.close (); |
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318 } |
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319 else if (! quiet) |
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320 gripe_file_open ("load", orig_fname); |
5269 | 321 } |
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322 #ifdef HAVE_ZLIB |
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323 else |
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324 { |
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325 gzifstream gzfile (fname.c_str ()); |
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326 if (gzfile) |
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327 { |
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328 retval = get_file_format (gzfile, orig_fname); |
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329 gzfile.close (); |
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330 } |
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331 else if (! quiet) |
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332 gripe_file_open ("load", orig_fname); |
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333 } |
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334 #endif |
604 | 335 |
336 return retval; | |
337 } | |
338 | |
4329 | 339 octave_value |
7336 | 340 do_load (std::istream& stream, const std::string& orig_fname, |
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341 load_save_format format, oct_mach_info::float_format flt_fmt, |
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342 bool list_only, bool swap, bool verbose, |
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343 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 344 { |
3727 | 345 octave_value retval; |
346 | |
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347 octave_scalar_map retstruct; |
604 | 348 |
5765 | 349 std::ostringstream output_buf; |
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350 std::list<std::string> symbol_names; |
4051 | 351 |
5754 | 352 octave_idx_type count = 0; |
4051 | 353 |
604 | 354 for (;;) |
355 { | |
3019 | 356 bool global = false; |
2086 | 357 octave_value tc; |
604 | 358 |
4171 | 359 std::string name; |
360 std::string doc; | |
604 | 361 |
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362 switch (format.type) |
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363 { |
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364 case LS_ASCII: |
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365 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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366 break; |
604 | 367 |
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368 case LS_BINARY: |
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369 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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370 global, tc, doc); |
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371 break; |
604 | 372 |
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373 case LS_MAT_ASCII: |
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374 name = read_mat_ascii_data (stream, orig_fname, tc); |
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375 break; |
2511 | 376 |
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377 case LS_MAT_BINARY: |
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378 name = read_mat_binary_data (stream, orig_fname, tc); |
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379 break; |
604 | 380 |
3687 | 381 #ifdef HAVE_HDF5 |
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382 case LS_HDF5: |
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383 name = read_hdf5_data (stream, orig_fname, global, tc, doc); |
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384 break; |
3687 | 385 #endif /* HAVE_HDF5 */ |
386 | |
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387 case LS_MAT5_BINARY: |
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388 case LS_MAT7_BINARY: |
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389 name = read_mat5_binary_element (stream, orig_fname, swap, |
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390 global, tc); |
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391 break; |
3688 | 392 |
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393 default: |
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394 gripe_unrecognized_data_fmt ("load"); |
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395 break; |
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396 } |
604 | 397 |
4171 | 398 if (error_state || stream.eof () || name.empty ()) |
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399 break; |
4171 | 400 else if (! error_state && ! name.empty ()) |
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401 { |
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402 if (tc.is_defined ()) |
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403 { |
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404 if (format == LS_MAT_ASCII && argv_idx < argc) |
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405 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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406 orig_fname.c_str ()); |
3136 | 407 |
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408 if (format == LS_MAT_ASCII |
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409 || argv_idx == argc |
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410 || matches_patterns (argv, argv_idx, argc, name)) |
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411 { |
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412 count++; |
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413 if (list_only) |
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414 { |
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415 if (verbose) |
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416 { |
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417 if (count == 1) |
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418 output_buf |
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419 << "type rows cols name\n" |
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420 << "==== ==== ==== ====\n"; |
621 | 421 |
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422 output_buf |
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423 << std::setiosflags (std::ios::left) |
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424 << std::setw (16) << tc.type_name () . c_str () |
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425 << std::setiosflags (std::ios::right) |
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426 << std::setw (7) << tc.rows () |
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427 << std::setw (7) << tc.columns () |
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428 << " " << name << "\n"; |
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429 } |
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430 else |
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431 symbol_names.push_back (name); |
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432 } |
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433 else |
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434 { |
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435 if (nargout == 1) |
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436 { |
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437 if (format == LS_MAT_ASCII) |
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438 retval = tc; |
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439 else |
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440 retstruct.assign (name, tc); |
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441 } |
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442 else |
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443 install_loaded_variable (name, tc, global, doc); |
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444 } |
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445 } |
2511 | 446 |
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447 // Only attempt to read one item from a headless text file. |
2511 | 448 |
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449 if (format == LS_MAT_ASCII) |
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450 break; |
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451 } |
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452 else |
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453 error ("load: unable to load variable '%s'", name.c_str ()); |
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454 } |
604 | 455 else |
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456 { |
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457 if (count == 0) |
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458 error ("load: are you sure '%s' is an Octave data file?", |
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459 orig_fname.c_str ()); |
604 | 460 |
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461 break; |
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462 } |
604 | 463 } |
464 | |
621 | 465 if (list_only && count) |
466 { | |
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467 if (verbose) |
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468 { |
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469 std::string msg = output_buf.str (); |
2095 | 470 |
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471 if (nargout > 0) |
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472 retval = msg; |
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473 else |
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474 octave_stdout << msg; |
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475 } |
621 | 476 else |
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477 { |
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478 if (nargout > 0) |
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479 retval = Cell (string_vector (symbol_names)); |
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480 else |
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481 { |
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482 string_vector names (symbol_names); |
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483 |
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484 names.list_in_columns (octave_stdout); |
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485 |
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486 octave_stdout << "\n"; |
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487 } |
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488 } |
621 | 489 } |
6639 | 490 else if (retstruct.nfields () != 0) |
3727 | 491 retval = retstruct; |
621 | 492 |
863 | 493 return retval; |
494 } | |
495 | |
6159 | 496 std::string |
497 find_file_to_load (const std::string& name, const std::string& orig_name) | |
498 { | |
499 std::string fname = name; | |
500 | |
6838 | 501 if (! (octave_env::absolute_pathname (fname) |
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502 || octave_env::rooted_relative_pathname (fname))) |
6159 | 503 { |
504 file_stat fs (fname); | |
505 | |
6584 | 506 if (! (fs.exists () && fs.is_reg ())) |
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507 { |
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508 std::string tmp |
10250 | 509 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 510 |
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511 if (! tmp.empty ()) |
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512 { |
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513 warning_with_id ("Octave:load-file-in-path", |
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514 "load: file found in load path"); |
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515 fname = tmp; |
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516 } |
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517 } |
6159 | 518 } |
519 | |
6838 | 520 size_t dot_pos = fname.rfind ("."); |
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521 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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522 |
8021 | 523 if (dot_pos == std::string::npos |
524 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 525 { |
6838 | 526 // Either no '.' in name or no '.' appears after last directory |
527 // separator. | |
528 | |
6159 | 529 file_stat fs (fname); |
530 | |
6584 | 531 if (! (fs.exists () && fs.is_reg ())) |
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532 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 533 } |
534 else | |
535 { | |
536 file_stat fs (fname); | |
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537 |
6584 | 538 if (! (fs.exists () && fs.is_reg ())) |
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539 { |
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540 fname = ""; |
6159 | 541 |
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542 error ("load: unable to find file %s", orig_name.c_str ()); |
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543 } |
6159 | 544 } |
545 | |
546 return fname; | |
547 } | |
548 | |
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549 bool |
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550 is_octave_data_file (const std::string& fname) |
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551 { |
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552 bool use_zlib = false; |
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553 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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554 } |
6159 | 555 |
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556 DEFUN (load, args, nargout, |
3372 | 557 "-*- texinfo -*-\n\ |
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558 @deftypefn {Command} {} load file\n\ |
11547 | 559 @deftypefnx {Command} {} load options file\n\ |
560 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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561 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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562 @deftypefnx {Command} {} load file options\n\ |
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563 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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564 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 565 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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566 @var{file}. If no variables are specified then all variables found in the\n\ |
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567 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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568 can be full names or use a pattern syntax. The format of the file is\n\ |
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569 automatically detected but may be overridden by supplying the appropriate\n\ |
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570 option.\n\ |
863 | 571 \n\ |
5665 | 572 If load is invoked using the functional form\n\ |
573 \n\ | |
574 @example\n\ | |
7247 | 575 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 576 @end example\n\ |
577 \n\ | |
578 @noindent\n\ | |
579 then the @var{options}, @var{file}, and variable name arguments\n\ | |
580 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
581 \n\ | |
3372 | 582 If a variable that is not marked as global is loaded from a file when a\n\ |
583 global symbol with the same name already exists, it is loaded in the\n\ | |
584 global symbol table. Also, if a variable is marked as global in a file\n\ | |
585 and a local symbol exists, the local symbol is moved to the global\n\ | |
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586 symbol table and given the value from the file.\n\ |
863 | 587 \n\ |
3727 | 588 If invoked with a single output argument, Octave returns data instead\n\ |
589 of inserting variables in the symbol table. If the data file contains\n\ | |
590 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
591 returned. Otherwise, @code{load} returns a structure with members\n\ | |
592 corresponding to the names of the variables in the file.\n\ | |
593 \n\ | |
3372 | 594 The @code{load} command can read data stored in Octave's text and\n\ |
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595 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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596 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 597 detect the type of file and do conversion from different floating point\n\ |
598 formats (currently only IEEE big and little endian, though other formats\n\ | |
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599 may be added in the future).\n\ |
3372 | 600 \n\ |
601 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 602 \n\ |
3372 | 603 @table @code\n\ |
604 @item -force\n\ | |
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605 This option is accepted for backward compatibility but is ignored.\n\ |
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606 Octave now overwrites variables currently in memory with\n\ |
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607 those of the same name found in the file.\n\ |
3372 | 608 \n\ |
609 @item -ascii\n\ | |
5938 | 610 Force Octave to assume the file contains columns of numbers in text format\n\ |
611 without any header or other information. Data in the file will be loaded\n\ | |
612 as a single numeric matrix with the name of the variable derived from the\n\ | |
613 name of the file.\n\ | |
5197 | 614 \n\ |
3372 | 615 @item -binary\n\ |
616 Force Octave to assume the file is in Octave's binary format.\n\ | |
617 \n\ | |
3687 | 618 @item -hdf5\n\ |
10840 | 619 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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620 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 621 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 622 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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623 skip some datasets in formats that it cannot support. This format is\n\ |
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624 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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625 \n\ |
3687 | 626 @item -import\n\ |
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627 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 628 Octave can now support multi-dimensional HDF data and automatically\n\ |
629 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 630 \n\ |
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631 @item -mat\n\ |
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632 @itemx -mat-binary\n\ |
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633 @itemx -6\n\ |
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634 @itemx -v6\n\ |
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635 @itemx -7\n\ |
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636 @itemx -v7\n\ |
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637 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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638 format.\n\ |
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639 \n\ |
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640 @item -mat4-binary\n\ |
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641 @itemx -4\n\ |
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642 @itemx -v4\n\ |
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643 @itemx -V4\n\ |
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644 Force Octave to assume the file is in the binary format written by\n\ |
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645 @sc{matlab} version 4.\n\ |
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646 \n\ |
5198 | 647 @item -text\n\ |
5197 | 648 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 649 @end table\n\ |
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650 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 651 @end deftypefn") |
863 | 652 { |
2086 | 653 octave_value_list retval; |
863 | 654 |
1755 | 655 int argc = args.length () + 1; |
656 | |
1968 | 657 string_vector argv = args.make_argv ("load"); |
1755 | 658 |
659 if (error_state) | |
660 return retval; | |
863 | 661 |
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662 int i = 1; |
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663 std::string orig_fname = ""; |
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664 |
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665 // Function called with Matlab-style ["filename", options] syntax |
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666 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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667 { |
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668 orig_fname = argv[1]; |
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669 i++; |
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670 } |
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671 |
1358 | 672 // It isn't necessary to have the default load format stored in a |
673 // user preference variable since we can determine the type of file | |
674 // as we are reading. | |
863 | 675 |
676 load_save_format format = LS_UNKNOWN; | |
677 | |
3019 | 678 bool list_only = false; |
679 bool verbose = false; | |
863 | 680 |
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681 //for (i; i < argc; i++) |
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682 for (; i < argc; i++) |
863 | 683 { |
1755 | 684 if (argv[i] == "-force" || argv[i] == "-f") |
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685 { |
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686 // Silently ignore this |
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687 // warning ("load: -force ignored"); |
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688 } |
1755 | 689 else if (argv[i] == "-list" || argv[i] == "-l") |
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690 { |
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691 list_only = true; |
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692 } |
1755 | 693 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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694 { |
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695 verbose = true; |
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696 } |
1755 | 697 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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698 { |
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699 format = LS_MAT_ASCII; |
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700 } |
1755 | 701 else if (argv[i] == "-binary" || argv[i] == "-b") |
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702 { |
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703 format = LS_BINARY; |
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704 } |
5269 | 705 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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706 || argv[i] == "-6" || argv[i] == "-v6") |
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707 { |
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708 format = LS_MAT5_BINARY; |
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709 } |
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710 else if (argv[i] == "-7" || argv[i] == "-v7") |
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711 { |
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712 format = LS_MAT7_BINARY; |
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713 } |
5256 | 714 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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715 || argv[i] == "-v4" || argv[i] == "-4") |
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716 { |
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717 format = LS_MAT_BINARY; |
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718 } |
3687 | 719 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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720 { |
3687 | 721 #ifdef HAVE_HDF5 |
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722 format = LS_HDF5; |
3687 | 723 #else /* ! HAVE_HDF5 */ |
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724 error ("load: octave executable was not linked with HDF5 library"); |
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725 return retval; |
3687 | 726 #endif /* ! HAVE_HDF5 */ |
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727 } |
3687 | 728 else if (argv[i] == "-import" || argv[i] == "-i") |
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729 { |
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730 warning ("load: -import ignored"); |
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731 } |
5197 | 732 else if (argv[i] == "-text" || argv[i] == "-t") |
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733 { |
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734 format = LS_ASCII; |
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735 } |
863 | 736 else |
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737 break; |
863 | 738 } |
739 | |
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740 if (orig_fname == "") |
863 | 741 { |
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742 if (i == argc) |
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743 { |
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744 print_usage (); |
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745 return retval; |
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746 } |
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747 else |
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748 orig_fname = argv[i]; |
863 | 749 } |
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750 else |
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751 i--; |
863 | 752 |
4574 | 753 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 754 |
3019 | 755 bool swap = false; |
863 | 756 |
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757 if (orig_fname == "-") |
863 | 758 { |
1755 | 759 i++; |
863 | 760 |
3687 | 761 #ifdef HAVE_HDF5 |
762 if (format == LS_HDF5) | |
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763 error ("load: cannot read HDF5 format from stdin"); |
3687 | 764 else |
765 #endif /* HAVE_HDF5 */ | |
863 | 766 if (format != LS_UNKNOWN) |
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767 { |
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768 // FIXME -- if we have already seen EOF on a |
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769 // previous call, how do we fix up the state of std::cin so |
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770 // that we can get additional input? I'm afraid that we |
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771 // can't fix this using std::cin only. |
3531 | 772 |
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773 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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774 list_only, swap, verbose, argv, i, argc, |
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775 nargout); |
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776 } |
863 | 777 else |
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778 error ("load: must specify file format if reading from stdin"); |
863 | 779 } |
780 else | |
781 { | |
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782 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 783 |
784 fname = find_file_to_load (fname, orig_fname); | |
863 | 785 |
6159 | 786 if (error_state) |
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787 return retval; |
6159 | 788 |
789 bool use_zlib = false; | |
5089 | 790 |
863 | 791 if (format == LS_UNKNOWN) |
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792 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 793 |
3687 | 794 #ifdef HAVE_HDF5 |
795 if (format == LS_HDF5) | |
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796 { |
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797 i++; |
3687 | 798 |
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799 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 800 |
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801 if (hdf5_file.file_id >= 0) |
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802 { |
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803 retval = do_load (hdf5_file, orig_fname, format, |
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804 flt_fmt, list_only, swap, verbose, |
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805 argv, i, argc, nargout); |
4844 | 806 |
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807 hdf5_file.close (); |
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808 } |
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809 else |
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810 gripe_file_open ("load", orig_fname); |
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811 } |
3687 | 812 else |
813 #endif /* HAVE_HDF5 */ | |
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814 // don't insert any statements here; the "else" above has to |
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815 // go with the "if" below!!!!! |
863 | 816 if (format != LS_UNKNOWN) |
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817 { |
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818 i++; |
863 | 819 |
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820 // Always open in binary mode and handle various |
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821 // line-endings explicitly. |
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822 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 823 |
5269 | 824 #ifdef HAVE_ZLIB |
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825 if (use_zlib) |
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826 { |
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827 gzifstream file (fname.c_str (), mode); |
863 | 828 |
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829 if (file) |
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830 { |
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831 if (format == LS_BINARY) |
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832 { |
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833 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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834 { |
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835 if (file) file.close (); |
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836 return retval; |
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837 } |
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838 } |
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839 else if (format == LS_MAT5_BINARY |
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840 || format == LS_MAT7_BINARY) |
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841 { |
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842 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
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843 { |
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844 if (file) file.close (); |
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845 return retval; |
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846 } |
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847 } |
5269 | 848 |
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849 retval = do_load (file, orig_fname, format, |
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850 flt_fmt, list_only, swap, verbose, |
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851 argv, i, argc, nargout); |
5269 | 852 |
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853 file.close (); |
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854 } |
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855 else |
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856 gripe_file_open ("load", orig_fname); |
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857 } |
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858 else |
5269 | 859 #endif |
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860 { |
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861 std::ifstream file (fname.c_str (), mode); |
5269 | 862 |
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863 if (file) |
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864 { |
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865 if (format == LS_BINARY) |
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866 { |
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867 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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868 { |
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869 if (file) file.close (); |
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870 return retval; |
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871 } |
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872 } |
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873 else if (format == LS_MAT5_BINARY |
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874 || format == LS_MAT7_BINARY) |
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875 { |
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876 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
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877 { |
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878 if (file) file.close (); |
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879 return retval; |
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880 } |
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881 } |
5269 | 882 |
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883 retval = do_load (file, orig_fname, format, |
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884 flt_fmt, list_only, swap, verbose, |
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885 argv, i, argc, nargout); |
5269 | 886 |
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887 file.close (); |
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888 } |
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889 else |
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890 error ("load: unable to open input file '%s'", |
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891 orig_fname.c_str ()); |
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892 } |
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893 } |
863 | 894 } |
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895 |
604 | 896 return retval; |
897 } | |
898 | |
3019 | 899 // Return TRUE if PATTERN has any special globbing chars in it. |
900 | |
901 static bool | |
3523 | 902 glob_pattern_p (const std::string& pattern) |
604 | 903 { |
904 int open = 0; | |
905 | |
1755 | 906 int len = pattern.length (); |
907 | |
908 for (int i = 0; i < len; i++) | |
604 | 909 { |
1755 | 910 char c = pattern[i]; |
911 | |
604 | 912 switch (c) |
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913 { |
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914 case '?': |
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915 case '*': |
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916 return true; |
604 | 917 |
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918 case '[': // Only accept an open brace if there is a close |
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919 open++; // brace to match it. Bracket expressions must be |
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920 continue; // complete, according to Posix.2 |
604 | 921 |
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922 case ']': |
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923 if (open) |
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924 return true; |
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925 continue; |
4402 | 926 |
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927 case '\\': |
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928 if (i == len - 1) |
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929 return false; |
604 | 930 |
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931 default: |
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932 continue; |
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933 } |
604 | 934 } |
935 | |
3019 | 936 return false; |
604 | 937 } |
938 | |
4791 | 939 static void |
940 do_save (std::ostream& os, const octave_value& tc, | |
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941 const std::string& name, const std::string& help, |
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942 bool global, load_save_format fmt, bool save_as_floats) |
604 | 943 { |
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944 switch (fmt.type) |
604 | 945 { |
946 case LS_ASCII: | |
6974 | 947 save_ascii_data (os, tc, name, global, 0); |
604 | 948 break; |
949 | |
950 case LS_BINARY: | |
630 | 951 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 952 break; |
953 | |
5938 | 954 case LS_MAT_ASCII: |
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955 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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956 fmt.opts & LS_MAT_ASCII_TABS)) |
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957 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 958 break; |
959 | |
667 | 960 case LS_MAT_BINARY: |
961 save_mat_binary_data (os, tc, name); | |
962 break; | |
963 | |
3687 | 964 #ifdef HAVE_HDF5 |
965 case LS_HDF5: | |
966 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
967 break; | |
968 #endif /* HAVE_HDF5 */ | |
969 | |
3688 | 970 case LS_MAT5_BINARY: |
5269 | 971 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
972 break; | |
973 | |
974 case LS_MAT7_BINARY: | |
975 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 976 break; |
977 | |
604 | 978 default: |
775 | 979 gripe_unrecognized_data_fmt ("save"); |
604 | 980 break; |
981 } | |
982 } | |
983 | |
4791 | 984 // Save the info from SR on stream OS in the format specified by FMT. |
985 | |
986 void | |
7336 | 987 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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988 load_save_format fmt, bool save_as_floats) |
4791 | 989 { |
7336 | 990 octave_value val = sr.varval (); |
4791 | 991 |
7336 | 992 if (val.is_defined ()) |
4791 | 993 { |
7336 | 994 std::string name = sr.name (); |
995 std::string help; | |
996 bool global = sr.is_global (); | |
4791 | 997 |
7336 | 998 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 999 } |
1000 } | |
1001 | |
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1002 // save fields of a scalar structure STR matching PATTERN on stream OS |
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1003 // in the format specified by FMT. |
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1004 |
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1005 static size_t |
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1006 save_fields (std::ostream& os, const octave_scalar_map& m, |
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1007 const std::string& pattern, |
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1008 load_save_format fmt, bool save_as_floats) |
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1009 { |
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1010 glob_match pat (pattern); |
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1011 |
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1012 size_t saved = 0; |
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1013 |
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1014 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1015 { |
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1016 std::string empty_str; |
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1017 |
14861
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1018 if (pat.match (m.key (p))) |
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1019 { |
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1020 do_save (os, m.contents (p), m.key (p), empty_str, |
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1021 0, fmt, save_as_floats); |
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1022 |
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1023 saved++; |
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1024 } |
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1025 } |
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1026 |
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1027 return saved; |
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1028 } |
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1029 |
604 | 1030 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1031 // format specified by FMT. |
604 | 1032 |
7336 | 1033 static size_t |
5794 | 1034 save_vars (std::ostream& os, const std::string& pattern, |
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1035 load_save_format fmt, bool save_as_floats) |
604 | 1036 { |
7336 | 1037 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1038 | |
1039 size_t saved = 0; | |
3355 | 1040 |
7336 | 1041 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
3355 | 1042 |
7336 | 1043 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1044 { |
7336 | 1045 do_save (os, *p, fmt, save_as_floats); |
620 | 1046 |
1047 if (error_state) | |
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1048 break; |
7336 | 1049 |
1050 saved++; | |
620 | 1051 } |
604 | 1052 |
1053 return saved; | |
1054 } | |
1055 | |
8034
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1056 static string_vector |
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1057 parse_save_options (const string_vector &argv, |
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1058 load_save_format &format, bool &append, |
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1059 bool &save_as_floats, bool &use_zlib) |
604 | 1060 { |
8034
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1061 string_vector retval; |
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1062 int argc = argv.length (); |
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1063 |
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1064 bool do_double = false, do_tabs = false; |
8418
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|
1065 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1066 for (int i = 0; i < argc; i++) |
5284 | 1067 { |
1068 if (argv[i] == "-append") | |
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|
1069 { |
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|
1070 append = true; |
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|
1071 } |
5284 | 1072 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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|
1073 { |
57a59eae83cc
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|
1074 format = LS_MAT_ASCII; |
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|
1075 } |
8418
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|
1076 else if (argv[i] == "-double") |
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|
1077 { |
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|
1078 do_double = true; |
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1079 } |
8425
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support -tabs option for save -ascii
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|
1080 else if (argv[i] == "-tabs") |
10315
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|
1081 { |
57a59eae83cc
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|
1082 do_tabs = true; |
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|
1083 } |
5284 | 1084 else if (argv[i] == "-text" || argv[i] == "-t") |
10315
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|
1085 { |
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|
1086 format = LS_ASCII; |
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|
1087 } |
5284 | 1088 else if (argv[i] == "-binary" || argv[i] == "-b") |
10315
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|
1089 { |
57a59eae83cc
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|
1090 format = LS_BINARY; |
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|
1091 } |
5284 | 1092 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
10315
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1093 { |
3687 | 1094 #ifdef HAVE_HDF5 |
10315
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|
1095 format = LS_HDF5; |
5284 | 1096 #else /* ! HAVE_HDF5 */ |
10315
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|
1097 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1098 #endif /* ! HAVE_HDF5 */ |
10315
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|
1099 } |
11586
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|
1100 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
10315
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1101 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1102 || argv[i] == "-V6") |
57a59eae83cc
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|
1103 { |
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1104 format = LS_MAT5_BINARY; |
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|
1105 } |
5284 | 1106 #ifdef HAVE_ZLIB |
11586
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strip trailing whitespace from source files
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|
1107 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
10315
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1108 || argv[i] == "-v7" || argv[i] == "-V7") |
57a59eae83cc
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|
1109 { |
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1110 format = LS_MAT7_BINARY; |
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|
1111 } |
5284 | 1112 #endif |
1113 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
10315
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1114 || argv[i] == "-v4" || argv[i] == "-4") |
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|
1115 { |
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1116 format = LS_MAT_BINARY; |
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|
1117 } |
5284 | 1118 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
10315
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1119 { |
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|
1120 format = LS_BINARY; |
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1121 save_as_floats = true; |
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1122 } |
5284 | 1123 else if (argv[i] == "-float-hdf5") |
10315
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|
1124 { |
5284 | 1125 #ifdef HAVE_HDF5 |
10315
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1126 format = LS_HDF5; |
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|
1127 save_as_floats = true; |
5284 | 1128 #else /* ! HAVE_HDF5 */ |
10315
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|
1129 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1130 #endif /* ! HAVE_HDF5 */ |
10315
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1131 } |
5284 | 1132 #ifdef HAVE_ZLIB |
1133 else if (argv[i] == "-zip" || argv[i] == "-z") | |
10315
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1134 { |
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1135 use_zlib = true; |
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1136 } |
5284 | 1137 #endif |
15571
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1138 else if (argv[i] == "-struct") |
7b9551c65b7b
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Rik <rik@octave.org>
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diff
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|
1139 { |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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diff
changeset
|
1140 retval.append (argv[i]); |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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diff
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|
1141 } |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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diff
changeset
|
1142 else if (argv[i][0] == '-') |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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15467
diff
changeset
|
1143 { |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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15467
diff
changeset
|
1144 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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|
1145 } |
5284 | 1146 else |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1147 retval.append (argv[i]); |
5284 | 1148 } |
1149 | |
8418
679c22082ac7
handle -double option for save
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|
1150 if (do_double) |
679c22082ac7
handle -double option for save
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|
1151 { |
679c22082ac7
handle -double option for save
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changeset
|
1152 if (format == LS_MAT_ASCII) |
10315
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|
1153 format.opts |= LS_MAT_ASCII_LONG; |
8418
679c22082ac7
handle -double option for save
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|
1154 else |
10315
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|
1155 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
8418
679c22082ac7
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|
1156 } |
679c22082ac7
handle -double option for save
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changeset
|
1157 |
8425
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support -tabs option for save -ascii
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|
1158 if (do_tabs) |
2e777f5135a3
support -tabs option for save -ascii
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|
1159 { |
2e777f5135a3
support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
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|
1160 if (format == LS_MAT_ASCII) |
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|
1161 format.opts |= LS_MAT_ASCII_TABS; |
8425
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|
1162 else |
10315
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|
1163 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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|
1164 } |
2e777f5135a3
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|
1165 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1166 return retval; |
5284 | 1167 } |
1168 | |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1169 static string_vector |
11586
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strip trailing whitespace from source files
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|
1170 parse_save_options (const std::string &arg, load_save_format &format, |
12df7854fa7c
strip trailing whitespace from source files
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|
1171 bool &append, bool &save_as_floats, |
10315
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|
1172 bool &use_zlib) |
5284 | 1173 { |
5765 | 1174 std::istringstream is (arg); |
5284 | 1175 std::string str; |
1176 string_vector argv; | |
11586
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|
1177 |
5765 | 1178 while (! is.eof ()) |
5284 | 1179 { |
1180 is >> str; | |
1181 argv.append (str); | |
1182 } | |
1183 | |
11586
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1184 return parse_save_options (argv, format, append, save_as_floats, |
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1185 use_zlib); |
604 | 1186 } |
1187 | |
4329 | 1188 void |
3523 | 1189 write_header (std::ostream& os, load_save_format format) |
863 | 1190 { |
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1191 switch (format.type) |
863 | 1192 { |
3185 | 1193 case LS_BINARY: |
1194 { | |
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1195 os << (oct_mach_info::words_big_endian () |
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1196 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1197 |
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1198 oct_mach_info::float_format flt_fmt = |
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1199 oct_mach_info::native_float_format (); |
3185 | 1200 |
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1201 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1202 |
10315
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|
1203 os.write (&tmp, 1); |
3185 | 1204 } |
3688 | 1205 break; |
1206 | |
1207 case LS_MAT5_BINARY: | |
5269 | 1208 case LS_MAT7_BINARY: |
3688 | 1209 { |
10315
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1210 char const * versionmagic; |
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1211 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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|
1212 struct tm bdt; |
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|
1213 time_t now; |
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1214 char headertext[128]; |
3688 | 1215 |
10315
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|
1216 time (&now); |
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1217 bdt = *gmtime (&now); |
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1218 memset (headertext, ' ', 124); |
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1219 // ISO 8601 format date |
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changeset
|
1220 nstrftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
9947
31436dcf7d0f
call nstrftime, not my_strftime
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changeset
|
1221 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1222 |
10315
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1223 // The first pair of bytes give the version of the MAT file |
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changeset
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1224 // format. The second pair of bytes form a magic number which |
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|
1225 // signals a MAT file. MAT file data are always written in |
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1226 // native byte order. The order of the bytes in the second |
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changeset
|
1227 // pair indicates whether the file was written by a big- or |
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1228 // little-endian machine. However, the version number is |
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1229 // written in the *opposite* byte order from everything else! |
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1230 if (number == 1) |
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1231 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1232 else |
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1233 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1234 |
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1235 memcpy (headertext+124, versionmagic, 4); |
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1236 os.write (headertext, 128); |
3688 | 1237 } |
1238 | |
1239 break; | |
3185 | 1240 |
3687 | 1241 #ifdef HAVE_HDF5 |
1242 case LS_HDF5: | |
1243 #endif /* HAVE_HDF5 */ | |
3185 | 1244 case LS_ASCII: |
1245 { | |
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1246 octave_localtime now; |
3709 | 1247 |
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1248 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1249 |
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1250 if (! comment_string.empty ()) |
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1251 { |
3687 | 1252 #ifdef HAVE_HDF5 |
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1253 if (format == LS_HDF5) |
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1254 { |
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1255 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1256 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1257 } |
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1258 else |
3687 | 1259 #endif /* HAVE_HDF5 */ |
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1260 os << comment_string << "\n"; |
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1261 } |
3185 | 1262 } |
1263 break; | |
1264 | |
1265 default: | |
1266 break; | |
863 | 1267 } |
1268 } | |
1269 | |
1270 static void | |
3769 | 1271 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1272 std::ostream& os, load_save_format fmt, |
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1273 bool save_as_floats, bool write_header_info) |
863 | 1274 { |
3185 | 1275 if (write_header_info) |
1276 write_header (os, fmt); | |
863 | 1277 |
1755 | 1278 if (argv_idx == argc) |
863 | 1279 { |
5794 | 1280 save_vars (os, "*", fmt, save_as_floats); |
863 | 1281 } |
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1282 else if (argv[argv_idx] == "-struct") |
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1283 { |
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1284 if (++argv_idx >= argc) |
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1285 { |
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1286 error ("save: missing struct name"); |
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1287 return; |
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1288 } |
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1289 |
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1290 std::string struct_name = argv[argv_idx]; |
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1291 |
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1292 if (! symbol_table::is_variable (struct_name)) |
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1293 { |
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1294 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1295 return; |
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1296 } |
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1297 |
16442
302157614308
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diff
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|
1298 octave_value struct_var = symbol_table::varval (struct_name); |
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1299 |
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1300 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1301 { |
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1302 error ("save: '%s' is not a scalar structure", |
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1303 struct_name.c_str ()); |
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1304 return; |
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1305 } |
11059
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|
1306 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1307 |
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1308 ++argv_idx; |
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1309 |
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1310 if (argv_idx < argc) |
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1311 { |
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1312 for (int i = argv_idx; i < argc; i++) |
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1313 { |
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|
1314 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1315 save_as_floats)) |
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1316 { |
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|
1317 warning ("save: no such field '%s.%s'", |
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1318 struct_name.c_str (), argv[i].c_str ()); |
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1319 } |
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1320 } |
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1321 } |
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1322 else |
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1323 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1324 } |
863 | 1325 else |
1326 { | |
1755 | 1327 for (int i = argv_idx; i < argc; i++) |
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1328 { |
17349
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diff
changeset
|
1329 if (argv[i] == "") |
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|
1330 continue; // Skip empty vars for Matlab compatibility |
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1331 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1332 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1333 } |
863 | 1334 } |
1335 } | |
1336 | |
5284 | 1337 static void |
1338 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1339 bool save_as_floats) |
4791 | 1340 { |
1341 write_header (os, fmt); | |
1342 | |
7767
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1343 std::list<symbol_table::symbol_record> vars |
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1344 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1345 |
1346 double save_mem_size = 0; | |
1347 | |
7336 | 1348 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
1349 | |
1350 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1351 { |
7336 | 1352 octave_value val = p->varval (); |
4791 | 1353 |
7336 | 1354 if (val.is_defined ()) |
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1355 { |
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1356 std::string name = p->name (); |
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1357 std::string help; |
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1358 bool global = p->is_global (); |
4791 | 1359 |
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1360 double val_size = val.byte_size () / 1024; |
4791 | 1361 |
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1362 // FIXME -- maybe we should try to throw out the largest first... |
4791 | 1363 |
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1364 if (Voctave_core_file_limit < 0 |
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1365 || save_mem_size + val_size < Voctave_core_file_limit) |
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1366 { |
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1367 save_mem_size += val_size; |
4791 | 1368 |
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1369 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1370 |
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1371 if (error_state) |
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1372 break; |
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1373 } |
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1374 } |
4791 | 1375 } |
1376 | |
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1377 message (0, "save to '%s' complete", fname); |
4791 | 1378 } |
1379 | |
1380 void | |
1381 dump_octave_core (void) | |
1380 | 1382 { |
3189 | 1383 if (Vcrash_dumps_octave_core) |
1380 | 1384 { |
5775 | 1385 // FIXME -- should choose better file name? |
3189 | 1386 |
4791 | 1387 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1388 |
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1389 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1390 |
5284 | 1391 load_save_format format = LS_BINARY; |
1392 | |
1393 bool save_as_floats = false; | |
1394 | |
1395 bool append = false; | |
3189 | 1396 |
5284 | 1397 bool use_zlib = false; |
1398 | |
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1399 parse_save_options (Voctave_core_file_options, format, append, |
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1400 save_as_floats, use_zlib); |
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1401 |
5284 | 1402 std::ios::openmode mode = std::ios::out; |
4791 | 1403 |
6625 | 1404 // Matlab v7 files are always compressed |
1405 if (format == LS_MAT7_BINARY) | |
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1406 use_zlib = false; |
6625 | 1407 |
4791 | 1408 if (format == LS_BINARY |
1409 #ifdef HAVE_HDF5 | |
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1410 || format == LS_HDF5 |
4791 | 1411 #endif |
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1412 || format == LS_MAT_BINARY |
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1413 || format == LS_MAT5_BINARY |
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1414 || format == LS_MAT7_BINARY) |
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1415 mode |= std::ios::binary; |
3189 | 1416 |
5284 | 1417 mode |= append ? std::ios::ate : std::ios::trunc; |
1418 | |
3687 | 1419 #ifdef HAVE_HDF5 |
1420 if (format == LS_HDF5) | |
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1421 { |
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|
1422 hdf5_ofstream file (fname, mode); |
3687 | 1423 |
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1424 if (file.file_id >= 0) |
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1425 { |
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1426 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1427 |
10315
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1428 file.close (); |
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|
1429 } |
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1430 else |
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|
1431 warning ("unable to open '%s' for writing...", fname); |
10315
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1432 } |
3189 | 1433 else |
3687 | 1434 #endif /* HAVE_HDF5 */ |
10315
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1435 // don't insert any commands here! The open brace below must |
57a59eae83cc
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1436 // go with the else above! |
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1437 { |
5284 | 1438 #ifdef HAVE_ZLIB |
10315
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|
1439 if (use_zlib) |
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1440 { |
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|
1441 gzofstream file (fname, mode); |
4791 | 1442 |
10315
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|
1443 if (file) |
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|
1444 { |
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changeset
|
1445 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1446 |
10315
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1447 file.close (); |
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|
1448 } |
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|
1449 else |
15466
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use ' instead of ` in error messages, warnings and most comments
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1450 warning ("unable to open '%s' for writing...", fname); |
10315
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1451 } |
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|
1452 else |
5284 | 1453 #endif |
10315
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1454 { |
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|
1455 std::ofstream file (fname, mode); |
11586
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|
1456 |
10315
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|
1457 if (file) |
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|
1458 { |
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untabify src C++ source files
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|
1459 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1460 |
10315
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1461 file.close (); |
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|
1462 } |
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1463 else |
15466
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John W. Eaton <jwe@octave.org>
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|
1464 warning ("unable to open '%s' for writing...", fname); |
10315
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|
1465 } |
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|
1466 } |
1380 | 1467 } |
1468 } | |
1469 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
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changeset
|
1470 DEFUN (save, args, , |
3372 | 1471 "-*- texinfo -*-\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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|
1472 @deftypefn {Command} {} save file\n\ |
11547 | 1473 @deftypefnx {Command} {} save options file\n\ |
1474 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1475 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
7247 | 1476 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
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1477 @var{file}. The special filename @samp{-} may be used to write\n\ |
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|
1478 output to the terminal. If no variable names are listed, Octave saves\n\ |
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1479 all the variables in the current scope. Otherwise, full variable names or\n\ |
de124edcebf6
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1480 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1481 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
9306
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|
1482 of the scalar structure @var{STRUCT} are saved as if they were variables\n\ |
7635
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add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1483 with corresponding names.\n\ |
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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|
1484 Valid options for the @code{save} command are listed in the following table.\n\ |
12642
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|
1485 Options that modify the output format override the format specified by\n\ |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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diff
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|
1486 @code{save_default_options}.\n\ |
3372 | 1487 \n\ |
5665 | 1488 If save is invoked using the functional form\n\ |
1489 \n\ | |
1490 @example\n\ | |
7247 | 1491 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1492 @end example\n\ |
1493 \n\ | |
1494 @noindent\n\ | |
1495 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1496 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1497 \n\ |
3372 | 1498 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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12642
diff
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|
1499 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
1500 Append to the destination instead of overwriting.\n\ |
13929
9cae456085c2
Grammarcheck of documentation before 3.6.0 release.
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|
1501 \n\ |
3372 | 1502 @item -ascii\n\ |
9306
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1503 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1504 \n\ |
3372 | 1505 @item -binary\n\ |
1506 Save the data in Octave's binary data format.\n\ | |
1507 \n\ | |
1508 @item -float-binary\n\ | |
1509 Save the data in Octave's binary data format but only using single\n\ | |
9306
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|
1510 precision. Only use this format if you know that all the\n\ |
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|
1511 values to be saved can be represented in single precision.\n\ |
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1512 \n\ |
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|
1513 @item -hdf5\n\ |
10840 | 1514 Save the data in @sc{hdf5} format.\n\ |
9306
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1515 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1516 Center for Supercomputing Applications at the University of Illinois.)\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1517 This format is only available if Octave was built with a link to the\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1518 @sc{hdf5} libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1519 \n\ |
9306
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|
1520 @item -float-hdf5\n\ |
10840 | 1521 Save the data in @sc{hdf5} format but only using single precision.\n\ |
9306
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1522 Only use this format if you know that all the\n\ |
3372 | 1523 values to be saved can be represented in single precision.\n\ |
1524 \n\ | |
17170
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doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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|
1525 @item -V7\n\ |
5269 | 1526 @itemx -v7\n\ |
1527 @itemx -7\n\ | |
1528 @itemx -mat7-binary\n\ | |
12160
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1529 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
b64b82721062
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|
1530 \n\ |
17170
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diff
changeset
|
1531 @item -V6\n\ |
5284 | 1532 @itemx -v6\n\ |
5269 | 1533 @itemx -6\n\ |
1534 @itemx -mat\n\ | |
4884 | 1535 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
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diff
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|
1536 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1537 \n\ |
17170
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doc: Periodic grammarcheck of documentation.
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diff
changeset
|
1538 @item -V4\n\ |
5256 | 1539 @itemx -v4\n\ |
1540 @itemx -4\n\ | |
1541 @itemx -mat4-binary\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
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diff
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|
1542 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1543 \n\ |
9306
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|
1544 @item -text\n\ |
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|
1545 Save the data in Octave's text data format. (default).\n\ |
3687 | 1546 \n\ |
17170
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doc: Periodic grammarcheck of documentation.
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|
1547 @item -zip\n\ |
5269 | 1548 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
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diff
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|
1549 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
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diff
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|
1550 that are compressed with gzip outside of octave, and gzip can equally be\n\ |
12160
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1551 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1552 This option is only available if Octave was built with a link to the zlib\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1553 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1554 @end table\n\ |
604 | 1555 \n\ |
9306
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|
1556 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1557 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
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14268
diff
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|
1558 \n\ |
3372 | 1559 @table @code\n\ |
1560 @item ?\n\ | |
1561 Match any single character.\n\ | |
1562 \n\ | |
1563 @item *\n\ | |
1564 Match zero or more characters.\n\ | |
1565 \n\ | |
1566 @item [ @var{list} ]\n\ | |
1567 Match the list of characters specified by @var{list}. If the first\n\ | |
1568 character is @code{!} or @code{^}, match all characters except those\n\ | |
9306
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|
1569 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
12642
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|
1570 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
John W. Eaton <jwe@octave.org>
parents:
7635
diff
changeset
|
1571 \n\ |
9306
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|
1572 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1573 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1574 \n\ |
3372 | 1575 @end table\n\ |
1576 \n\ | |
9306
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1577 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
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|
1578 @samp{-ascii} format, saving global\n\ |
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|
1579 variables also saves the global status of the variable. If the variable\n\ |
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|
1580 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1581 global variable.\n\ |
1582 \n\ | |
1583 The command\n\ | |
1584 \n\ | |
1585 @example\n\ | |
1586 save -binary data a b*\n\ | |
1587 @end example\n\ | |
1588 \n\ | |
1589 @noindent\n\ | |
1590 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1591 the file @file{data} in Octave's binary format.\n\ | |
16875
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Rename default_save_options() to save_default_options().
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|
1592 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1593 @end deftypefn") |
604 | 1594 { |
2086 | 1595 octave_value_list retval; |
604 | 1596 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1597 int argc = args.length (); |
1755 | 1598 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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changeset
|
1599 string_vector argv = args.make_argv (); |
1755 | 1600 |
1601 if (error_state) | |
1602 return retval; | |
604 | 1603 |
1358 | 1604 // Here is where we would get the default save format if it were |
1605 // stored in a user preference variable. | |
604 | 1606 |
3019 | 1607 bool save_as_floats = false; |
630 | 1608 |
5284 | 1609 load_save_format format = LS_ASCII; |
604 | 1610 |
3185 | 1611 bool append = false; |
1612 | |
5269 | 1613 bool use_zlib = false; |
1614 | |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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8021
diff
changeset
|
1615 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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16555
diff
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|
1616 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1617 use_zlib); |
5351 | 1618 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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1619 // override from command line |
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1620 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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|
1621 use_zlib); |
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|
1622 argc = argv.length (); |
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1623 int i = 0; |
5197 | 1624 |
5284 | 1625 if (error_state) |
1626 return retval; | |
604 | 1627 |
2057 | 1628 if (i == argc) |
604 | 1629 { |
5823 | 1630 print_usage (); |
604 | 1631 return retval; |
1632 } | |
1633 | |
630 | 1634 if (save_as_floats && format == LS_ASCII) |
1635 { | |
1636 error ("save: cannot specify both -ascii and -float-binary"); | |
1637 return retval; | |
1638 } | |
1639 | |
1755 | 1640 if (argv[i] == "-") |
604 | 1641 { |
1755 | 1642 i++; |
863 | 1643 |
3687 | 1644 #ifdef HAVE_HDF5 |
1645 if (format == LS_HDF5) | |
4687 | 1646 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1647 else |
1648 #endif /* HAVE_HDF5 */ | |
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1649 // don't insert any commands here! the brace below must go |
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1650 // with the "else" above! |
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1651 { |
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|
1652 if (append) |
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1653 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1654 |
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1655 // FIXME -- should things intended for the screen end up |
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1656 // in a octave_value (string)? |
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1657 |
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1658 save_vars (argv, i, argc, octave_stdout, format, |
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1659 save_as_floats, true); |
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1660 } |
604 | 1661 } |
1755 | 1662 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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|
1663 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1664 |
1665 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1666 { | |
5823 | 1667 print_usage (); |
604 | 1668 return retval; |
1669 } | |
1670 else | |
1671 { | |
3523 | 1672 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1673 |
1674 i++; | |
604 | 1675 |
6625 | 1676 // Matlab v7 files are always compressed |
1677 if (format == LS_MAT7_BINARY) | |
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1678 use_zlib = false; |
6625 | 1679 |
6759 | 1680 std::ios::openmode mode |
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1681 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1682 |
4791 | 1683 if (format == LS_BINARY |
1684 #ifdef HAVE_HDF5 | |
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1685 || format == LS_HDF5 |
4791 | 1686 #endif |
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1687 || format == LS_MAT_BINARY |
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1688 || format == LS_MAT5_BINARY |
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1689 || format == LS_MAT7_BINARY) |
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1690 mode |= std::ios::binary; |
3538 | 1691 |
3687 | 1692 #ifdef HAVE_HDF5 |
1693 if (format == LS_HDF5) | |
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1694 { |
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1695 // FIXME. It should be possible to append to HDF5 files. |
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1696 if (append) |
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|
1697 { |
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1698 error ("save: appending to HDF5 files is not implemented"); |
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1699 return retval; |
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|
1700 } |
6759 | 1701 |
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1702 bool write_header_info = ! (append && |
10315
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1703 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1704 |
10315
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1705 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1706 |
10315
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1707 if (hdf5_file.file_id != -1) |
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1708 { |
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1709 save_vars (argv, i, argc, hdf5_file, format, |
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1710 save_as_floats, write_header_info); |
3687 | 1711 |
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1712 hdf5_file.close (); |
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1713 } |
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1714 else |
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1715 { |
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1716 gripe_file_open ("save", fname); |
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1717 return retval; |
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|
1718 } |
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1719 } |
863 | 1720 else |
3687 | 1721 #endif /* HAVE_HDF5 */ |
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1722 // don't insert any statements here! The brace below must go |
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1723 // with the "else" above! |
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1724 { |
5269 | 1725 #ifdef HAVE_ZLIB |
10315
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|
1726 if (use_zlib) |
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1727 { |
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1728 gzofstream file (fname.c_str (), mode); |
5269 | 1729 |
10315
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|
1730 if (file) |
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|
1731 { |
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|
1732 bool write_header_info = ! file.tellp (); |
6760 | 1733 |
10315
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1734 save_vars (argv, i, argc, file, format, |
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|
1735 save_as_floats, write_header_info); |
5269 | 1736 |
10315
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1737 file.close (); |
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|
1738 } |
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1739 else |
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|
1740 { |
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1741 gripe_file_open ("save", fname); |
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1742 return retval; |
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|
1743 } |
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|
1744 } |
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|
1745 else |
5269 | 1746 #endif |
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1747 { |
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1748 std::ofstream file (fname.c_str (), mode); |
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1749 |
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1750 if (file) |
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1751 { |
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|
1752 bool write_header_info = ! file.tellp (); |
6760 | 1753 |
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1754 save_vars (argv, i, argc, file, format, |
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1755 save_as_floats, write_header_info); |
5269 | 1756 |
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|
1757 file.close (); |
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1758 } |
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1759 else |
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1760 { |
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1761 gripe_file_open ("save", fname); |
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1762 return retval; |
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|
1763 } |
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1764 } |
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1765 } |
604 | 1766 } |
1767 | |
1768 return retval; | |
1769 } | |
1770 | |
5794 | 1771 DEFUN (crash_dumps_octave_core, args, nargout, |
1772 "-*- texinfo -*-\n\ | |
10840 | 1773 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1774 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
13951
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|
1775 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1776 Query or set the internal variable that controls whether Octave tries\n\ |
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Rik <rik@octave.org>
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|
1777 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1778 crashes or receives a hangup, terminate or similar signal.\n\ |
13951
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|
1779 \n\ |
17281
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17183
diff
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|
1780 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
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|
1781 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
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17183
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|
1782 The original variable value is restored when exiting the function.\n\ |
5794 | 1783 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1784 @end deftypefn") | |
2194 | 1785 { |
5794 | 1786 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1787 } |
1788 | |
16875
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Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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|
1789 DEFUN (save_default_options, args, nargout, |
5794 | 1790 "-*- texinfo -*-\n\ |
16875
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Rename default_save_options() to save_default_options().
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|
1791 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
b04ae15530fc
Rename default_save_options() to save_default_options().
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|
1792 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
b04ae15530fc
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|
1793 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1794 Query or set the internal variable that specifies the default options\n\ |
1795 for the @code{save} command, and defines the default format.\n\ | |
17281
bc924baa2c4e
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17183
diff
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|
1796 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1797 The default value is @option{-text}.\n\ |
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|
1798 \n\ |
17281
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17183
diff
changeset
|
1799 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
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diff
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|
1800 variable is changed locally for the function and any subroutines it calls. \n\ |
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|
1801 The original variable value is restored when exiting the function.\n\ |
5794 | 1802 @seealso{save}\n\ |
1803 @end deftypefn") | |
4788 | 1804 { |
16875
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Rename default_save_options() to save_default_options().
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|
1805 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1806 } |
1807 | |
5794 | 1808 DEFUN (octave_core_file_limit, args, nargout, |
1809 "-*- texinfo -*-\n\ | |
10840 | 1810 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1811 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1812 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1813 Query or set the internal variable that specifies the maximum amount\n\ |
1814 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1815 attempt to save when writing data to the crash dump file (the name of\n\ | |
1816 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1817 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1818 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1819 size of the file. If a text file format is used, then the file could\n\ | |
1820 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1821 \n\ |
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1822 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1823 variable is changed locally for the function and any subroutines it calls. \n\ |
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1824 The original variable value is restored when exiting the function.\n\ |
5794 | 1825 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1826 @end deftypefn") | |
3709 | 1827 { |
5794 | 1828 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1829 } |
1830 | |
5794 | 1831 DEFUN (octave_core_file_name, args, nargout, |
1832 "-*- texinfo -*-\n\ | |
10840 | 1833 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1834 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1835 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1836 Query or set the internal variable that specifies the name of the file\n\ |
1837 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1838 The default value is @qcode{\"octave-workspace\"}\n\ |
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1839 \n\ |
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1840 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1841 variable is changed locally for the function and any subroutines it calls. \n\ |
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1842 The original variable value is restored when exiting the function.\n\ |
5794 | 1843 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1844 @end deftypefn") | |
2194 | 1845 { |
5794 | 1846 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1847 } | |
4791 | 1848 |
5794 | 1849 DEFUN (octave_core_file_options, args, nargout, |
1850 "-*- texinfo -*-\n\ | |
10840 | 1851 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1852 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1853 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1854 Query or set the internal variable that specifies the options used for\n\ |
1855 saving the workspace data if Octave aborts. The value of\n\ | |
1856 @code{octave_core_file_options} should follow the same format as the\n\ | |
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1857 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1858 format.\n\ |
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1859 \n\ |
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1860 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1861 variable is changed locally for the function and any subroutines it calls. \n\ |
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1862 The original variable value is restored when exiting the function.\n\ |
5642 | 1863 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1864 @end deftypefn") |
1865 { | |
1866 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1867 } | |
2194 | 1868 |
5794 | 1869 DEFUN (save_header_format_string, args, nargout, |
1870 "-*- texinfo -*-\n\ | |
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1871 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1872 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1873 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1874 Query or set the internal variable that specifies the format\n\ |
1875 string used for the comment line written at the beginning of\n\ | |
1876 text-format data files saved by Octave. The format string is\n\ | |
1877 passed to @code{strftime} and should begin with the character\n\ | |
1878 @samp{#} and contain no newline characters. If the value of\n\ | |
1879 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1880 the header comment is omitted from text-format data files. The\n\ |
1881 default value is\n\ | |
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1882 @c Set example in small font to prevent overfull line\n\ |
3709 | 1883 \n\ |
7031 | 1884 @smallexample\n\ |
4060 | 1885 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1886 @end smallexample\n\ |
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1887 \n\ |
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1888 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1889 variable is changed locally for the function and any subroutines it calls. \n\ |
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1890 The original variable value is restored when exiting the function.\n\ |
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1891 @seealso{strftime, save}\n\ |
5794 | 1892 @end deftypefn") |
1893 { | |
1894 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1895 } |