Mercurial > hg > octave-nkf
annotate libinterp/corefcn/load-save.cc @ 17709:5415a9cd61d4
Implement faster partial loading of HDF5 files.
* libinterp/corefcn/load-save.cc(do_load): Call read_hdf5_data with extra
arguments for variables to load.
* libinterp/corefcn/ls-hdf5.h: Re-define read_Hdf5_data function prototype.
* libinterp/corefcn/ls-hdf5.cc: Check for any variable names to load, instead
of whole file.
author | Rik <rik@octave.org> |
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date | Sun, 20 Oct 2013 20:30:11 -0700 |
parents | cb27dbf9e4ba |
children | d63878346099 |
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 argv, argv_idx, argc); |
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385 break; |
3687 | 386 #endif /* HAVE_HDF5 */ |
387 | |
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388 case LS_MAT5_BINARY: |
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389 case LS_MAT7_BINARY: |
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390 name = read_mat5_binary_element (stream, orig_fname, swap, |
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391 global, tc); |
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392 break; |
3688 | 393 |
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394 default: |
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395 gripe_unrecognized_data_fmt ("load"); |
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396 break; |
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397 } |
604 | 398 |
4171 | 399 if (error_state || stream.eof () || name.empty ()) |
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400 break; |
4171 | 401 else if (! error_state && ! name.empty ()) |
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402 { |
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403 if (tc.is_defined ()) |
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404 { |
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405 if (format == LS_MAT_ASCII && argv_idx < argc) |
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406 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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407 orig_fname.c_str ()); |
3136 | 408 |
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409 if (format == LS_MAT_ASCII |
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410 || argv_idx == argc |
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411 || matches_patterns (argv, argv_idx, argc, name)) |
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412 { |
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413 count++; |
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414 if (list_only) |
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415 { |
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416 if (verbose) |
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417 { |
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418 if (count == 1) |
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419 output_buf |
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420 << "type rows cols name\n" |
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421 << "==== ==== ==== ====\n"; |
621 | 422 |
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423 output_buf |
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424 << std::setiosflags (std::ios::left) |
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425 << std::setw (16) << tc.type_name () . c_str () |
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426 << std::setiosflags (std::ios::right) |
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427 << std::setw (7) << tc.rows () |
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428 << std::setw (7) << tc.columns () |
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429 << " " << name << "\n"; |
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430 } |
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431 else |
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432 symbol_names.push_back (name); |
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433 } |
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434 else |
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435 { |
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436 if (nargout == 1) |
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437 { |
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438 if (format == LS_MAT_ASCII) |
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439 retval = tc; |
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440 else |
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441 retstruct.assign (name, tc); |
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442 } |
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443 else |
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444 install_loaded_variable (name, tc, global, doc); |
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445 } |
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446 } |
2511 | 447 |
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448 // Only attempt to read one item from a headless text file. |
2511 | 449 |
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450 if (format == LS_MAT_ASCII) |
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451 break; |
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452 } |
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453 else |
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454 error ("load: unable to load variable '%s'", name.c_str ()); |
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455 } |
604 | 456 else |
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457 { |
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458 if (count == 0) |
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459 error ("load: are you sure '%s' is an Octave data file?", |
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460 orig_fname.c_str ()); |
604 | 461 |
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462 break; |
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463 } |
604 | 464 } |
465 | |
621 | 466 if (list_only && count) |
467 { | |
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468 if (verbose) |
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469 { |
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470 std::string msg = output_buf.str (); |
2095 | 471 |
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472 if (nargout > 0) |
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473 retval = msg; |
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474 else |
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475 octave_stdout << msg; |
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476 } |
621 | 477 else |
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478 { |
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479 if (nargout > 0) |
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480 retval = Cell (string_vector (symbol_names)); |
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481 else |
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482 { |
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483 string_vector names (symbol_names); |
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484 |
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485 names.list_in_columns (octave_stdout); |
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486 |
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487 octave_stdout << "\n"; |
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488 } |
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489 } |
621 | 490 } |
6639 | 491 else if (retstruct.nfields () != 0) |
3727 | 492 retval = retstruct; |
621 | 493 |
863 | 494 return retval; |
495 } | |
496 | |
6159 | 497 std::string |
498 find_file_to_load (const std::string& name, const std::string& orig_name) | |
499 { | |
500 std::string fname = name; | |
501 | |
6838 | 502 if (! (octave_env::absolute_pathname (fname) |
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503 || octave_env::rooted_relative_pathname (fname))) |
6159 | 504 { |
505 file_stat fs (fname); | |
506 | |
6584 | 507 if (! (fs.exists () && fs.is_reg ())) |
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508 { |
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509 std::string tmp |
10250 | 510 = octave_env::make_absolute (load_path::find_file (fname)); |
6159 | 511 |
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512 if (! tmp.empty ()) |
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513 { |
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514 warning_with_id ("Octave:load-file-in-path", |
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515 "load: file found in load path"); |
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516 fname = tmp; |
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517 } |
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518 } |
6159 | 519 } |
520 | |
6838 | 521 size_t dot_pos = fname.rfind ("."); |
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522 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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523 |
8021 | 524 if (dot_pos == std::string::npos |
525 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 526 { |
6838 | 527 // Either no '.' in name or no '.' appears after last directory |
528 // separator. | |
529 | |
6159 | 530 file_stat fs (fname); |
531 | |
6584 | 532 if (! (fs.exists () && fs.is_reg ())) |
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533 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 534 } |
535 else | |
536 { | |
537 file_stat fs (fname); | |
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538 |
6584 | 539 if (! (fs.exists () && fs.is_reg ())) |
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540 { |
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541 fname = ""; |
6159 | 542 |
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543 error ("load: unable to find file %s", orig_name.c_str ()); |
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544 } |
6159 | 545 } |
546 | |
547 return fname; | |
548 } | |
549 | |
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550 bool |
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551 is_octave_data_file (const std::string& fname) |
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552 { |
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553 bool use_zlib = false; |
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554 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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555 } |
6159 | 556 |
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557 DEFUN (load, args, nargout, |
3372 | 558 "-*- texinfo -*-\n\ |
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559 @deftypefn {Command} {} load file\n\ |
11547 | 560 @deftypefnx {Command} {} load options file\n\ |
561 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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562 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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563 @deftypefnx {Command} {} load file options\n\ |
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564 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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565 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 566 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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567 @var{file}. If no variables are specified then all variables found in the\n\ |
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568 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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569 can be full names or use a pattern syntax. The format of the file is\n\ |
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570 automatically detected but may be overridden by supplying the appropriate\n\ |
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571 option.\n\ |
863 | 572 \n\ |
5665 | 573 If load is invoked using the functional form\n\ |
574 \n\ | |
575 @example\n\ | |
7247 | 576 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 577 @end example\n\ |
578 \n\ | |
579 @noindent\n\ | |
580 then the @var{options}, @var{file}, and variable name arguments\n\ | |
581 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
582 \n\ | |
3372 | 583 If a variable that is not marked as global is loaded from a file when a\n\ |
584 global symbol with the same name already exists, it is loaded in the\n\ | |
585 global symbol table. Also, if a variable is marked as global in a file\n\ | |
586 and a local symbol exists, the local symbol is moved to the global\n\ | |
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587 symbol table and given the value from the file.\n\ |
863 | 588 \n\ |
3727 | 589 If invoked with a single output argument, Octave returns data instead\n\ |
590 of inserting variables in the symbol table. If the data file contains\n\ | |
591 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
592 returned. Otherwise, @code{load} returns a structure with members\n\ | |
593 corresponding to the names of the variables in the file.\n\ | |
594 \n\ | |
3372 | 595 The @code{load} command can read data stored in Octave's text and\n\ |
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596 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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597 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 598 detect the type of file and do conversion from different floating point\n\ |
599 formats (currently only IEEE big and little endian, though other formats\n\ | |
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600 may be added in the future).\n\ |
3372 | 601 \n\ |
602 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 603 \n\ |
3372 | 604 @table @code\n\ |
605 @item -force\n\ | |
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606 This option is accepted for backward compatibility but is ignored.\n\ |
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607 Octave now overwrites variables currently in memory with\n\ |
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608 those of the same name found in the file.\n\ |
3372 | 609 \n\ |
610 @item -ascii\n\ | |
5938 | 611 Force Octave to assume the file contains columns of numbers in text format\n\ |
612 without any header or other information. Data in the file will be loaded\n\ | |
613 as a single numeric matrix with the name of the variable derived from the\n\ | |
614 name of the file.\n\ | |
5197 | 615 \n\ |
3372 | 616 @item -binary\n\ |
617 Force Octave to assume the file is in Octave's binary format.\n\ | |
618 \n\ | |
3687 | 619 @item -hdf5\n\ |
10840 | 620 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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621 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 622 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 623 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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624 skip some datasets in formats that it cannot support. This format is\n\ |
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625 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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626 \n\ |
3687 | 627 @item -import\n\ |
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628 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 629 Octave can now support multi-dimensional HDF data and automatically\n\ |
630 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 631 \n\ |
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632 @item -mat\n\ |
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633 @itemx -mat-binary\n\ |
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634 @itemx -6\n\ |
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635 @itemx -v6\n\ |
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636 @itemx -7\n\ |
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637 @itemx -v7\n\ |
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638 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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639 format.\n\ |
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640 \n\ |
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641 @item -mat4-binary\n\ |
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642 @itemx -4\n\ |
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643 @itemx -v4\n\ |
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644 @itemx -V4\n\ |
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645 Force Octave to assume the file is in the binary format written by\n\ |
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646 @sc{matlab} version 4.\n\ |
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647 \n\ |
5198 | 648 @item -text\n\ |
5197 | 649 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 650 @end table\n\ |
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651 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 652 @end deftypefn") |
863 | 653 { |
2086 | 654 octave_value_list retval; |
863 | 655 |
1755 | 656 int argc = args.length () + 1; |
657 | |
1968 | 658 string_vector argv = args.make_argv ("load"); |
1755 | 659 |
660 if (error_state) | |
661 return retval; | |
863 | 662 |
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663 int i = 1; |
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664 std::string orig_fname = ""; |
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665 |
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666 // Function called with Matlab-style ["filename", options] syntax |
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667 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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668 { |
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669 orig_fname = argv[1]; |
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670 i++; |
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671 } |
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672 |
1358 | 673 // It isn't necessary to have the default load format stored in a |
674 // user preference variable since we can determine the type of file | |
675 // as we are reading. | |
863 | 676 |
677 load_save_format format = LS_UNKNOWN; | |
678 | |
3019 | 679 bool list_only = false; |
680 bool verbose = false; | |
863 | 681 |
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682 //for (i; i < argc; i++) |
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683 for (; i < argc; i++) |
863 | 684 { |
1755 | 685 if (argv[i] == "-force" || argv[i] == "-f") |
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686 { |
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687 // Silently ignore this |
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688 // warning ("load: -force ignored"); |
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689 } |
1755 | 690 else if (argv[i] == "-list" || argv[i] == "-l") |
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691 { |
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692 list_only = true; |
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693 } |
1755 | 694 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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695 { |
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696 verbose = true; |
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697 } |
1755 | 698 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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699 { |
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700 format = LS_MAT_ASCII; |
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701 } |
1755 | 702 else if (argv[i] == "-binary" || argv[i] == "-b") |
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703 { |
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704 format = LS_BINARY; |
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705 } |
5269 | 706 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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707 || argv[i] == "-6" || argv[i] == "-v6") |
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708 { |
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709 format = LS_MAT5_BINARY; |
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710 } |
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711 else if (argv[i] == "-7" || argv[i] == "-v7") |
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712 { |
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713 format = LS_MAT7_BINARY; |
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714 } |
5256 | 715 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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716 || argv[i] == "-v4" || argv[i] == "-4") |
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717 { |
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718 format = LS_MAT_BINARY; |
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719 } |
3687 | 720 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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721 { |
3687 | 722 #ifdef HAVE_HDF5 |
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723 format = LS_HDF5; |
3687 | 724 #else /* ! HAVE_HDF5 */ |
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725 error ("load: octave executable was not linked with HDF5 library"); |
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726 return retval; |
3687 | 727 #endif /* ! HAVE_HDF5 */ |
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728 } |
3687 | 729 else if (argv[i] == "-import" || argv[i] == "-i") |
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730 { |
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731 warning ("load: -import ignored"); |
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732 } |
5197 | 733 else if (argv[i] == "-text" || argv[i] == "-t") |
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734 { |
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735 format = LS_ASCII; |
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736 } |
863 | 737 else |
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738 break; |
863 | 739 } |
740 | |
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741 if (orig_fname == "") |
863 | 742 { |
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743 if (i == argc) |
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744 { |
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745 print_usage (); |
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746 return retval; |
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747 } |
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748 else |
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749 orig_fname = argv[i]; |
863 | 750 } |
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751 else |
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752 i--; |
863 | 753 |
4574 | 754 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 755 |
3019 | 756 bool swap = false; |
863 | 757 |
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758 if (orig_fname == "-") |
863 | 759 { |
1755 | 760 i++; |
863 | 761 |
3687 | 762 #ifdef HAVE_HDF5 |
763 if (format == LS_HDF5) | |
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764 error ("load: cannot read HDF5 format from stdin"); |
3687 | 765 else |
766 #endif /* HAVE_HDF5 */ | |
863 | 767 if (format != LS_UNKNOWN) |
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768 { |
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769 // FIXME -- if we have already seen EOF on a |
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770 // previous call, how do we fix up the state of std::cin so |
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771 // that we can get additional input? I'm afraid that we |
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772 // can't fix this using std::cin only. |
3531 | 773 |
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774 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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775 list_only, swap, verbose, argv, i, argc, |
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776 nargout); |
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777 } |
863 | 778 else |
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779 error ("load: must specify file format if reading from stdin"); |
863 | 780 } |
781 else | |
782 { | |
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783 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 784 |
785 fname = find_file_to_load (fname, orig_fname); | |
863 | 786 |
6159 | 787 if (error_state) |
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788 return retval; |
6159 | 789 |
790 bool use_zlib = false; | |
5089 | 791 |
863 | 792 if (format == LS_UNKNOWN) |
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793 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 794 |
3687 | 795 #ifdef HAVE_HDF5 |
796 if (format == LS_HDF5) | |
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797 { |
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798 i++; |
3687 | 799 |
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800 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 801 |
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802 if (hdf5_file.file_id >= 0) |
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803 { |
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804 retval = do_load (hdf5_file, orig_fname, format, |
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805 flt_fmt, list_only, swap, verbose, |
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806 argv, i, argc, nargout); |
4844 | 807 |
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808 hdf5_file.close (); |
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809 } |
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810 else |
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811 gripe_file_open ("load", orig_fname); |
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812 } |
3687 | 813 else |
814 #endif /* HAVE_HDF5 */ | |
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815 // don't insert any statements here; the "else" above has to |
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816 // go with the "if" below!!!!! |
863 | 817 if (format != LS_UNKNOWN) |
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818 { |
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819 i++; |
863 | 820 |
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821 // Always open in binary mode and handle various |
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822 // line-endings explicitly. |
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823 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 824 |
5269 | 825 #ifdef HAVE_ZLIB |
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826 if (use_zlib) |
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827 { |
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828 gzifstream file (fname.c_str (), mode); |
863 | 829 |
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830 if (file) |
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831 { |
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832 if (format == LS_BINARY) |
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833 { |
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834 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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835 { |
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836 if (file) file.close (); |
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837 return retval; |
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838 } |
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839 } |
11586
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840 else if (format == LS_MAT5_BINARY |
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841 || format == LS_MAT7_BINARY) |
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842 { |
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843 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
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844 { |
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845 if (file) file.close (); |
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846 return retval; |
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847 } |
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848 } |
5269 | 849 |
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850 retval = do_load (file, orig_fname, format, |
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851 flt_fmt, list_only, swap, verbose, |
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852 argv, i, argc, nargout); |
5269 | 853 |
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854 file.close (); |
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855 } |
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856 else |
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857 gripe_file_open ("load", orig_fname); |
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858 } |
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859 else |
5269 | 860 #endif |
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861 { |
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862 std::ifstream file (fname.c_str (), mode); |
5269 | 863 |
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864 if (file) |
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865 { |
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866 if (format == LS_BINARY) |
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867 { |
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868 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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869 { |
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870 if (file) file.close (); |
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871 return retval; |
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872 } |
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873 } |
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874 else if (format == LS_MAT5_BINARY |
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875 || format == LS_MAT7_BINARY) |
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876 { |
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877 if (read_mat5_binary_file_header (file, swap, false, orig_fname) < 0) |
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878 { |
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879 if (file) file.close (); |
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880 return retval; |
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881 } |
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882 } |
5269 | 883 |
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884 retval = do_load (file, orig_fname, format, |
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885 flt_fmt, list_only, swap, verbose, |
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886 argv, i, argc, nargout); |
5269 | 887 |
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888 file.close (); |
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889 } |
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890 else |
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891 error ("load: unable to open input file '%s'", |
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892 orig_fname.c_str ()); |
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893 } |
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894 } |
863 | 895 } |
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896 |
604 | 897 return retval; |
898 } | |
899 | |
3019 | 900 // Return TRUE if PATTERN has any special globbing chars in it. |
901 | |
902 static bool | |
3523 | 903 glob_pattern_p (const std::string& pattern) |
604 | 904 { |
905 int open = 0; | |
906 | |
1755 | 907 int len = pattern.length (); |
908 | |
909 for (int i = 0; i < len; i++) | |
604 | 910 { |
1755 | 911 char c = pattern[i]; |
912 | |
604 | 913 switch (c) |
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914 { |
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915 case '?': |
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916 case '*': |
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917 return true; |
604 | 918 |
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919 case '[': // Only accept an open brace if there is a close |
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920 open++; // brace to match it. Bracket expressions must be |
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921 continue; // complete, according to Posix.2 |
604 | 922 |
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923 case ']': |
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924 if (open) |
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925 return true; |
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926 continue; |
4402 | 927 |
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928 case '\\': |
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929 if (i == len - 1) |
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930 return false; |
604 | 931 |
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932 default: |
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933 continue; |
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934 } |
604 | 935 } |
936 | |
3019 | 937 return false; |
604 | 938 } |
939 | |
4791 | 940 static void |
941 do_save (std::ostream& os, const octave_value& tc, | |
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942 const std::string& name, const std::string& help, |
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943 bool global, load_save_format fmt, bool save_as_floats) |
604 | 944 { |
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945 switch (fmt.type) |
604 | 946 { |
947 case LS_ASCII: | |
6974 | 948 save_ascii_data (os, tc, name, global, 0); |
604 | 949 break; |
950 | |
951 case LS_BINARY: | |
630 | 952 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 953 break; |
954 | |
5938 | 955 case LS_MAT_ASCII: |
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956 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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957 fmt.opts & LS_MAT_ASCII_TABS)) |
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958 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 959 break; |
960 | |
667 | 961 case LS_MAT_BINARY: |
962 save_mat_binary_data (os, tc, name); | |
963 break; | |
964 | |
3687 | 965 #ifdef HAVE_HDF5 |
966 case LS_HDF5: | |
967 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
968 break; | |
969 #endif /* HAVE_HDF5 */ | |
970 | |
3688 | 971 case LS_MAT5_BINARY: |
5269 | 972 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
973 break; | |
974 | |
975 case LS_MAT7_BINARY: | |
976 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 977 break; |
978 | |
604 | 979 default: |
775 | 980 gripe_unrecognized_data_fmt ("save"); |
604 | 981 break; |
982 } | |
983 } | |
984 | |
4791 | 985 // Save the info from SR on stream OS in the format specified by FMT. |
986 | |
987 void | |
7336 | 988 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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989 load_save_format fmt, bool save_as_floats) |
4791 | 990 { |
7336 | 991 octave_value val = sr.varval (); |
4791 | 992 |
7336 | 993 if (val.is_defined ()) |
4791 | 994 { |
7336 | 995 std::string name = sr.name (); |
996 std::string help; | |
997 bool global = sr.is_global (); | |
4791 | 998 |
7336 | 999 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 1000 } |
1001 } | |
1002 | |
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1003 // save fields of a scalar structure STR matching PATTERN on stream OS |
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1004 // in the format specified by FMT. |
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1005 |
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1006 static size_t |
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1007 save_fields (std::ostream& os, const octave_scalar_map& m, |
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1008 const std::string& pattern, |
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1009 load_save_format fmt, bool save_as_floats) |
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1010 { |
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1011 glob_match pat (pattern); |
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1012 |
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1013 size_t saved = 0; |
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1014 |
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1015 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1016 { |
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1017 std::string empty_str; |
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1018 |
14861
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1019 if (pat.match (m.key (p))) |
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1020 { |
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1021 do_save (os, m.contents (p), m.key (p), empty_str, |
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1022 0, fmt, save_as_floats); |
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1023 |
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1024 saved++; |
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1025 } |
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1026 } |
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1027 |
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1028 return saved; |
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1029 } |
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1030 |
604 | 1031 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1032 // format specified by FMT. |
604 | 1033 |
7336 | 1034 static size_t |
5794 | 1035 save_vars (std::ostream& os, const std::string& pattern, |
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1036 load_save_format fmt, bool save_as_floats) |
604 | 1037 { |
7336 | 1038 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1039 | |
1040 size_t saved = 0; | |
3355 | 1041 |
7336 | 1042 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
3355 | 1043 |
7336 | 1044 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1045 { |
7336 | 1046 do_save (os, *p, fmt, save_as_floats); |
620 | 1047 |
1048 if (error_state) | |
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1049 break; |
7336 | 1050 |
1051 saved++; | |
620 | 1052 } |
604 | 1053 |
1054 return saved; | |
1055 } | |
1056 | |
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1057 static string_vector |
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1058 parse_save_options (const string_vector &argv, |
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1059 load_save_format &format, bool &append, |
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1060 bool &save_as_floats, bool &use_zlib) |
604 | 1061 { |
8034
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1062 string_vector retval; |
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1063 int argc = argv.length (); |
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1064 |
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|
1065 bool do_double = false, do_tabs = false; |
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1066 |
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|
1067 for (int i = 0; i < argc; i++) |
5284 | 1068 { |
1069 if (argv[i] == "-append") | |
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|
1070 { |
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1071 append = true; |
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|
1072 } |
5284 | 1073 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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|
1074 { |
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1075 format = LS_MAT_ASCII; |
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|
1076 } |
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|
1077 else if (argv[i] == "-double") |
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1078 { |
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1079 do_double = true; |
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1080 } |
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|
1081 else if (argv[i] == "-tabs") |
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|
1082 { |
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1083 do_tabs = true; |
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1084 } |
5284 | 1085 else if (argv[i] == "-text" || argv[i] == "-t") |
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|
1086 { |
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1087 format = LS_ASCII; |
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1088 } |
5284 | 1089 else if (argv[i] == "-binary" || argv[i] == "-b") |
10315
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|
1090 { |
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1091 format = LS_BINARY; |
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1092 } |
5284 | 1093 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
10315
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1094 { |
3687 | 1095 #ifdef HAVE_HDF5 |
10315
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1096 format = LS_HDF5; |
5284 | 1097 #else /* ! HAVE_HDF5 */ |
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|
1098 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1099 #endif /* ! HAVE_HDF5 */ |
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1100 } |
11586
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1101 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1102 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1103 || argv[i] == "-V6") |
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1104 { |
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1105 format = LS_MAT5_BINARY; |
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1106 } |
5284 | 1107 #ifdef HAVE_ZLIB |
11586
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1108 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1109 || argv[i] == "-v7" || argv[i] == "-V7") |
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1110 { |
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1111 format = LS_MAT7_BINARY; |
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1112 } |
5284 | 1113 #endif |
1114 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1115 || argv[i] == "-v4" || argv[i] == "-4") |
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1116 { |
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1117 format = LS_MAT_BINARY; |
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1118 } |
5284 | 1119 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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1120 { |
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1121 format = LS_BINARY; |
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1122 save_as_floats = true; |
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1123 } |
5284 | 1124 else if (argv[i] == "-float-hdf5") |
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1125 { |
5284 | 1126 #ifdef HAVE_HDF5 |
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1127 format = LS_HDF5; |
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1128 save_as_floats = true; |
5284 | 1129 #else /* ! HAVE_HDF5 */ |
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1130 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1131 #endif /* ! HAVE_HDF5 */ |
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1132 } |
5284 | 1133 #ifdef HAVE_ZLIB |
1134 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1135 { |
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1136 use_zlib = true; |
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1137 } |
5284 | 1138 #endif |
15571
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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diff
changeset
|
1139 else if (argv[i] == "-struct") |
7b9551c65b7b
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|
1140 { |
7b9551c65b7b
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Rik <rik@octave.org>
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|
1141 retval.append (argv[i]); |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
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|
1142 } |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
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|
1143 else if (argv[i][0] == '-') |
e05eafe7105a
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|
1144 { |
e05eafe7105a
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Rik <rik@octave.org>
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diff
changeset
|
1145 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
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Rik <rik@octave.org>
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1146 } |
5284 | 1147 else |
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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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1148 retval.append (argv[i]); |
5284 | 1149 } |
1150 | |
8418
679c22082ac7
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|
1151 if (do_double) |
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1152 { |
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|
1153 if (format == LS_MAT_ASCII) |
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1154 format.opts |= LS_MAT_ASCII_LONG; |
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1155 else |
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1156 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1157 } |
679c22082ac7
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|
1158 |
8425
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1159 if (do_tabs) |
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1160 { |
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1161 if (format == LS_MAT_ASCII) |
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1162 format.opts |= LS_MAT_ASCII_TABS; |
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1163 else |
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1164 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1165 } |
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1166 |
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1167 return retval; |
5284 | 1168 } |
1169 | |
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1170 static string_vector |
11586
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1171 parse_save_options (const std::string &arg, load_save_format &format, |
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1172 bool &append, bool &save_as_floats, |
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1173 bool &use_zlib) |
5284 | 1174 { |
5765 | 1175 std::istringstream is (arg); |
5284 | 1176 std::string str; |
1177 string_vector argv; | |
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1178 |
5765 | 1179 while (! is.eof ()) |
5284 | 1180 { |
1181 is >> str; | |
1182 argv.append (str); | |
1183 } | |
1184 | |
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1185 return parse_save_options (argv, format, append, save_as_floats, |
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1186 use_zlib); |
604 | 1187 } |
1188 | |
4329 | 1189 void |
3523 | 1190 write_header (std::ostream& os, load_save_format format) |
863 | 1191 { |
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1192 switch (format.type) |
863 | 1193 { |
3185 | 1194 case LS_BINARY: |
1195 { | |
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1196 os << (oct_mach_info::words_big_endian () |
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1197 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1198 |
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1199 oct_mach_info::float_format flt_fmt = |
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1200 oct_mach_info::native_float_format (); |
3185 | 1201 |
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1202 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1203 |
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1204 os.write (&tmp, 1); |
3185 | 1205 } |
3688 | 1206 break; |
1207 | |
1208 case LS_MAT5_BINARY: | |
5269 | 1209 case LS_MAT7_BINARY: |
3688 | 1210 { |
10315
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1211 char const * versionmagic; |
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1212 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1213 struct tm bdt; |
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1214 time_t now; |
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1215 char headertext[128]; |
3688 | 1216 |
10315
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1217 time (&now); |
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1218 bdt = *gmtime (&now); |
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1219 memset (headertext, ' ', 124); |
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1220 // ISO 8601 format date |
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1221 nstrftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
9947
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|
1222 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1223 |
10315
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1224 // The first pair of bytes give the version of the MAT file |
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1225 // format. The second pair of bytes form a magic number which |
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1226 // signals a MAT file. MAT file data are always written in |
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1227 // native byte order. The order of the bytes in the second |
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1228 // pair indicates whether the file was written by a big- or |
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1229 // little-endian machine. However, the version number is |
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1230 // written in the *opposite* byte order from everything else! |
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1231 if (number == 1) |
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1232 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1233 else |
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1234 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1235 |
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1236 memcpy (headertext+124, versionmagic, 4); |
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1237 os.write (headertext, 128); |
3688 | 1238 } |
1239 | |
1240 break; | |
3185 | 1241 |
3687 | 1242 #ifdef HAVE_HDF5 |
1243 case LS_HDF5: | |
1244 #endif /* HAVE_HDF5 */ | |
3185 | 1245 case LS_ASCII: |
1246 { | |
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1247 octave_localtime now; |
3709 | 1248 |
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1249 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1250 |
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1251 if (! comment_string.empty ()) |
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1252 { |
3687 | 1253 #ifdef HAVE_HDF5 |
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1254 if (format == LS_HDF5) |
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1255 { |
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1256 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1257 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1258 } |
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1259 else |
3687 | 1260 #endif /* HAVE_HDF5 */ |
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1261 os << comment_string << "\n"; |
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1262 } |
3185 | 1263 } |
1264 break; | |
1265 | |
1266 default: | |
1267 break; | |
863 | 1268 } |
1269 } | |
1270 | |
1271 static void | |
3769 | 1272 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1273 std::ostream& os, load_save_format fmt, |
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1274 bool save_as_floats, bool write_header_info) |
863 | 1275 { |
3185 | 1276 if (write_header_info) |
1277 write_header (os, fmt); | |
863 | 1278 |
1755 | 1279 if (argv_idx == argc) |
863 | 1280 { |
5794 | 1281 save_vars (os, "*", fmt, save_as_floats); |
863 | 1282 } |
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1283 else if (argv[argv_idx] == "-struct") |
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1284 { |
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1285 if (++argv_idx >= argc) |
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1286 { |
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1287 error ("save: missing struct name"); |
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1288 return; |
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1289 } |
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1290 |
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1291 std::string struct_name = argv[argv_idx]; |
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1292 |
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1293 if (! symbol_table::is_variable (struct_name)) |
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1294 { |
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1295 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1296 return; |
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1297 } |
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1298 |
16442
302157614308
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|
1299 octave_value struct_var = symbol_table::varval (struct_name); |
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1300 |
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1301 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1302 { |
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1303 error ("save: '%s' is not a scalar structure", |
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1304 struct_name.c_str ()); |
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1305 return; |
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1306 } |
11059
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|
1307 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1308 |
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1309 ++argv_idx; |
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1310 |
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1311 if (argv_idx < argc) |
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1312 { |
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1313 for (int i = argv_idx; i < argc; i++) |
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1314 { |
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1315 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1316 save_as_floats)) |
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1317 { |
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1318 warning ("save: no such field '%s.%s'", |
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1319 struct_name.c_str (), argv[i].c_str ()); |
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1320 } |
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1321 } |
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1322 } |
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1323 else |
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1324 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1325 } |
863 | 1326 else |
1327 { | |
1755 | 1328 for (int i = argv_idx; i < argc; i++) |
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1329 { |
17349
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|
1330 if (argv[i] == "") |
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1331 continue; // Skip empty vars for Matlab compatibility |
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1332 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1333 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1334 } |
863 | 1335 } |
1336 } | |
1337 | |
5284 | 1338 static void |
1339 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1340 bool save_as_floats) |
4791 | 1341 { |
1342 write_header (os, fmt); | |
1343 | |
7767
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1344 std::list<symbol_table::symbol_record> vars |
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1345 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1346 |
1347 double save_mem_size = 0; | |
1348 | |
7336 | 1349 typedef std::list<symbol_table::symbol_record>::const_iterator const_vars_iterator; |
1350 | |
1351 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1352 { |
7336 | 1353 octave_value val = p->varval (); |
4791 | 1354 |
7336 | 1355 if (val.is_defined ()) |
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1356 { |
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1357 std::string name = p->name (); |
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1358 std::string help; |
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1359 bool global = p->is_global (); |
4791 | 1360 |
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1361 double val_size = val.byte_size () / 1024; |
4791 | 1362 |
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1363 // FIXME -- maybe we should try to throw out the largest first... |
4791 | 1364 |
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1365 if (Voctave_core_file_limit < 0 |
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1366 || save_mem_size + val_size < Voctave_core_file_limit) |
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1367 { |
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1368 save_mem_size += val_size; |
4791 | 1369 |
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1370 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1371 |
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1372 if (error_state) |
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1373 break; |
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1374 } |
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1375 } |
4791 | 1376 } |
1377 | |
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1378 message (0, "save to '%s' complete", fname); |
4791 | 1379 } |
1380 | |
1381 void | |
1382 dump_octave_core (void) | |
1380 | 1383 { |
3189 | 1384 if (Vcrash_dumps_octave_core) |
1380 | 1385 { |
5775 | 1386 // FIXME -- should choose better file name? |
3189 | 1387 |
4791 | 1388 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1389 |
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1390 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1391 |
5284 | 1392 load_save_format format = LS_BINARY; |
1393 | |
1394 bool save_as_floats = false; | |
1395 | |
1396 bool append = false; | |
3189 | 1397 |
5284 | 1398 bool use_zlib = false; |
1399 | |
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1400 parse_save_options (Voctave_core_file_options, format, append, |
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1401 save_as_floats, use_zlib); |
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1402 |
5284 | 1403 std::ios::openmode mode = std::ios::out; |
4791 | 1404 |
6625 | 1405 // Matlab v7 files are always compressed |
1406 if (format == LS_MAT7_BINARY) | |
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1407 use_zlib = false; |
6625 | 1408 |
4791 | 1409 if (format == LS_BINARY |
1410 #ifdef HAVE_HDF5 | |
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1411 || format == LS_HDF5 |
4791 | 1412 #endif |
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1413 || format == LS_MAT_BINARY |
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1414 || format == LS_MAT5_BINARY |
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1415 || format == LS_MAT7_BINARY) |
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1416 mode |= std::ios::binary; |
3189 | 1417 |
5284 | 1418 mode |= append ? std::ios::ate : std::ios::trunc; |
1419 | |
3687 | 1420 #ifdef HAVE_HDF5 |
1421 if (format == LS_HDF5) | |
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1422 { |
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1423 hdf5_ofstream file (fname, mode); |
3687 | 1424 |
10315
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1425 if (file.file_id >= 0) |
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1426 { |
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1427 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1428 |
10315
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1429 file.close (); |
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|
1430 } |
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1431 else |
15466
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|
1432 warning ("unable to open '%s' for writing...", fname); |
10315
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1433 } |
3189 | 1434 else |
3687 | 1435 #endif /* HAVE_HDF5 */ |
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1436 // don't insert any commands here! The open brace below must |
57a59eae83cc
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1437 // go with the else above! |
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1438 { |
5284 | 1439 #ifdef HAVE_ZLIB |
10315
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1440 if (use_zlib) |
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1441 { |
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1442 gzofstream file (fname, mode); |
4791 | 1443 |
10315
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1444 if (file) |
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1445 { |
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|
1446 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1447 |
10315
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1448 file.close (); |
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|
1449 } |
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|
1450 else |
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1451 warning ("unable to open '%s' for writing...", fname); |
10315
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|
1452 } |
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|
1453 else |
5284 | 1454 #endif |
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1455 { |
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|
1456 std::ofstream file (fname, mode); |
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1457 |
10315
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|
1458 if (file) |
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1459 { |
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|
1460 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1461 |
10315
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1462 file.close (); |
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|
1463 } |
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|
1464 else |
15466
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John W. Eaton <jwe@octave.org>
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|
1465 warning ("unable to open '%s' for writing...", fname); |
10315
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|
1466 } |
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1467 } |
1380 | 1468 } |
1469 } | |
1470 | |
8746
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handle commands in the lexer
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1471 DEFUN (save, args, , |
3372 | 1472 "-*- texinfo -*-\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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|
1473 @deftypefn {Command} {} save file\n\ |
11547 | 1474 @deftypefnx {Command} {} save options file\n\ |
1475 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1476 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
7247 | 1477 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
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1478 @var{file}. The special filename @samp{-} may be used to write\n\ |
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|
1479 output to the terminal. If no variable names are listed, Octave saves\n\ |
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1480 all the variables in the current scope. Otherwise, full variable names or\n\ |
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|
1481 pattern syntax can be used to specify the variables to save.\n\ |
10840 | 1482 If the @option{-struct} modifier is used, fields @var{f1} @var{f2} @dots{}\n\ |
9306
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1483 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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|
1484 with corresponding names.\n\ |
ba7a3e20ee3d
add -struct modifier to save
Jaroslav Hajek <highegg@gmail.com>
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|
1485 Valid options for the @code{save} command are listed in the following table.\n\ |
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|
1486 Options that modify the output format override the format specified by\n\ |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
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diff
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|
1487 @code{save_default_options}.\n\ |
3372 | 1488 \n\ |
5665 | 1489 If save is invoked using the functional form\n\ |
1490 \n\ | |
1491 @example\n\ | |
7247 | 1492 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1493 @end example\n\ |
1494 \n\ | |
1495 @noindent\n\ | |
1496 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1497 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1498 \n\ |
3372 | 1499 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
1500 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
1501 Append to the destination instead of overwriting.\n\ |
13929
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Grammarcheck of documentation before 3.6.0 release.
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|
1502 \n\ |
3372 | 1503 @item -ascii\n\ |
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1504 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1505 \n\ |
3372 | 1506 @item -binary\n\ |
1507 Save the data in Octave's binary data format.\n\ | |
1508 \n\ | |
1509 @item -float-binary\n\ | |
1510 Save the data in Octave's binary data format but only using single\n\ | |
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1511 precision. Only use this format if you know that all the\n\ |
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1512 values to be saved can be represented in single precision.\n\ |
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1513 \n\ |
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|
1514 @item -hdf5\n\ |
10840 | 1515 Save the data in @sc{hdf5} format.\n\ |
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1516 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1517 Center for Supercomputing Applications at the University of Illinois.)\n\ |
b64b82721062
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|
1518 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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|
1519 @sc{hdf5} libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1520 \n\ |
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|
1521 @item -float-hdf5\n\ |
10840 | 1522 Save the data in @sc{hdf5} format but only using single precision.\n\ |
9306
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1523 Only use this format if you know that all the\n\ |
3372 | 1524 values to be saved can be represented in single precision.\n\ |
1525 \n\ | |
17170
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doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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diff
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|
1526 @item -V7\n\ |
5269 | 1527 @itemx -v7\n\ |
1528 @itemx -7\n\ | |
1529 @itemx -mat7-binary\n\ | |
12160
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|
1530 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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|
1531 \n\ |
17170
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diff
changeset
|
1532 @item -V6\n\ |
5284 | 1533 @itemx -v6\n\ |
5269 | 1534 @itemx -6\n\ |
1535 @itemx -mat\n\ | |
4884 | 1536 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
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diff
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|
1537 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1538 \n\ |
17170
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changeset
|
1539 @item -V4\n\ |
5256 | 1540 @itemx -v4\n\ |
1541 @itemx -4\n\ | |
1542 @itemx -mat4-binary\n\ | |
9064
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Check grammar on all .cc files
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|
1543 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1544 \n\ |
9306
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|
1545 @item -text\n\ |
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|
1546 Save the data in Octave's text data format. (default).\n\ |
3687 | 1547 \n\ |
17170
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|
1548 @item -zip\n\ |
5269 | 1549 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
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diff
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|
1550 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
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|
1551 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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|
1552 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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|
1553 This option is only available if Octave was built with a link to the zlib\n\ |
b64b82721062
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|
1554 libraries.\n\ |
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Make documentation static by removing docstrings depending on #ifdef variables
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|
1555 @end table\n\ |
604 | 1556 \n\ |
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|
1557 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1558 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
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|
1559 \n\ |
3372 | 1560 @table @code\n\ |
1561 @item ?\n\ | |
1562 Match any single character.\n\ | |
1563 \n\ | |
1564 @item *\n\ | |
1565 Match zero or more characters.\n\ | |
1566 \n\ | |
1567 @item [ @var{list} ]\n\ | |
1568 Match the list of characters specified by @var{list}. If the first\n\ | |
1569 character is @code{!} or @code{^}, match all characters except those\n\ | |
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|
1570 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
12642
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|
1571 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
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7635
diff
changeset
|
1572 \n\ |
9306
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|
1573 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1574 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1575 \n\ |
3372 | 1576 @end table\n\ |
1577 \n\ | |
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|
1578 Except when using the @sc{matlab} binary data file format or the\n\ |
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|
1579 @samp{-ascii} format, saving global\n\ |
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|
1580 variables also saves the global status of the variable. If the variable\n\ |
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|
1581 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1582 global variable.\n\ |
1583 \n\ | |
1584 The command\n\ | |
1585 \n\ | |
1586 @example\n\ | |
1587 save -binary data a b*\n\ | |
1588 @end example\n\ | |
1589 \n\ | |
1590 @noindent\n\ | |
1591 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1592 the file @file{data} in Octave's binary format.\n\ | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
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|
1593 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1594 @end deftypefn") |
604 | 1595 { |
2086 | 1596 octave_value_list retval; |
604 | 1597 |
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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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|
1598 int argc = args.length (); |
1755 | 1599 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1600 string_vector argv = args.make_argv (); |
1755 | 1601 |
1602 if (error_state) | |
1603 return retval; | |
604 | 1604 |
1358 | 1605 // Here is where we would get the default save format if it were |
1606 // stored in a user preference variable. | |
604 | 1607 |
3019 | 1608 bool save_as_floats = false; |
630 | 1609 |
5284 | 1610 load_save_format format = LS_ASCII; |
604 | 1611 |
3185 | 1612 bool append = false; |
1613 | |
5269 | 1614 bool use_zlib = false; |
1615 | |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1616 // get default options |
16875
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1617 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
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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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|
1618 use_zlib); |
5351 | 1619 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1620 // override from command line |
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1621 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
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|
1622 use_zlib); |
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|
1623 argc = argv.length (); |
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1624 int i = 0; |
5197 | 1625 |
5284 | 1626 if (error_state) |
1627 return retval; | |
604 | 1628 |
2057 | 1629 if (i == argc) |
604 | 1630 { |
5823 | 1631 print_usage (); |
604 | 1632 return retval; |
1633 } | |
1634 | |
630 | 1635 if (save_as_floats && format == LS_ASCII) |
1636 { | |
1637 error ("save: cannot specify both -ascii and -float-binary"); | |
1638 return retval; | |
1639 } | |
1640 | |
1755 | 1641 if (argv[i] == "-") |
604 | 1642 { |
1755 | 1643 i++; |
863 | 1644 |
3687 | 1645 #ifdef HAVE_HDF5 |
1646 if (format == LS_HDF5) | |
4687 | 1647 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1648 else |
1649 #endif /* HAVE_HDF5 */ | |
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1650 // don't insert any commands here! the brace below must go |
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1651 // with the "else" above! |
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1652 { |
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|
1653 if (append) |
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1654 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1655 |
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1656 // FIXME -- should things intended for the screen end up |
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1657 // in a octave_value (string)? |
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1658 |
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1659 save_vars (argv, i, argc, octave_stdout, format, |
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1660 save_as_floats, true); |
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1661 } |
604 | 1662 } |
1755 | 1663 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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|
1664 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1665 |
1666 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
1667 { | |
5823 | 1668 print_usage (); |
604 | 1669 return retval; |
1670 } | |
1671 else | |
1672 { | |
3523 | 1673 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1674 |
1675 i++; | |
604 | 1676 |
6625 | 1677 // Matlab v7 files are always compressed |
1678 if (format == LS_MAT7_BINARY) | |
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1679 use_zlib = false; |
6625 | 1680 |
6759 | 1681 std::ios::openmode mode |
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1682 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1683 |
4791 | 1684 if (format == LS_BINARY |
1685 #ifdef HAVE_HDF5 | |
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1686 || format == LS_HDF5 |
4791 | 1687 #endif |
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1688 || format == LS_MAT_BINARY |
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1689 || format == LS_MAT5_BINARY |
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1690 || format == LS_MAT7_BINARY) |
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1691 mode |= std::ios::binary; |
3538 | 1692 |
3687 | 1693 #ifdef HAVE_HDF5 |
1694 if (format == LS_HDF5) | |
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1695 { |
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1696 // FIXME. It should be possible to append to HDF5 files. |
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1697 if (append) |
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|
1698 { |
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1699 error ("save: appending to HDF5 files is not implemented"); |
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1700 return retval; |
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|
1701 } |
6759 | 1702 |
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1703 bool write_header_info = ! (append && |
10315
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1704 H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1705 |
10315
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1706 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1707 |
10315
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1708 if (hdf5_file.file_id != -1) |
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1709 { |
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1710 save_vars (argv, i, argc, hdf5_file, format, |
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1711 save_as_floats, write_header_info); |
3687 | 1712 |
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1713 hdf5_file.close (); |
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|
1714 } |
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|
1715 else |
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|
1716 { |
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1717 gripe_file_open ("save", fname); |
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1718 return retval; |
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|
1719 } |
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1720 } |
863 | 1721 else |
3687 | 1722 #endif /* HAVE_HDF5 */ |
10315
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1723 // don't insert any statements here! The brace below must go |
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1724 // with the "else" above! |
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1725 { |
5269 | 1726 #ifdef HAVE_ZLIB |
10315
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1727 if (use_zlib) |
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1728 { |
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1729 gzofstream file (fname.c_str (), mode); |
5269 | 1730 |
10315
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|
1731 if (file) |
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|
1732 { |
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|
1733 bool write_header_info = ! file.tellp (); |
6760 | 1734 |
10315
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|
1735 save_vars (argv, i, argc, file, format, |
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|
1736 save_as_floats, write_header_info); |
5269 | 1737 |
10315
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|
1738 file.close (); |
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|
1739 } |
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|
1740 else |
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|
1741 { |
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|
1742 gripe_file_open ("save", fname); |
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1743 return retval; |
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|
1744 } |
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|
1745 } |
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|
1746 else |
5269 | 1747 #endif |
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|
1748 { |
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1749 std::ofstream file (fname.c_str (), mode); |
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|
1750 |
10315
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|
1751 if (file) |
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|
1752 { |
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|
1753 bool write_header_info = ! file.tellp (); |
6760 | 1754 |
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1755 save_vars (argv, i, argc, file, format, |
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|
1756 save_as_floats, write_header_info); |
5269 | 1757 |
10315
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|
1758 file.close (); |
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|
1759 } |
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|
1760 else |
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1761 { |
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|
1762 gripe_file_open ("save", fname); |
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1763 return retval; |
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|
1764 } |
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|
1765 } |
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|
1766 } |
604 | 1767 } |
1768 | |
1769 return retval; | |
1770 } | |
1771 | |
5794 | 1772 DEFUN (crash_dumps_octave_core, args, nargout, |
1773 "-*- texinfo -*-\n\ | |
10840 | 1774 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1775 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
13951
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doc: Document "local" option for configuration variables.
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|
1776 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1777 Query or set the internal variable that controls whether Octave tries\n\ |
17281
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Rik <rik@octave.org>
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17183
diff
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|
1778 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1779 crashes or receives a hangup, terminate or similar signal.\n\ |
13951
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diff
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|
1780 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
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17183
diff
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|
1781 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
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17183
diff
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|
1782 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
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17183
diff
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|
1783 The original variable value is restored when exiting the function.\n\ |
5794 | 1784 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1785 @end deftypefn") | |
2194 | 1786 { |
5794 | 1787 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1788 } |
1789 | |
16875
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Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
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|
1790 DEFUN (save_default_options, args, nargout, |
5794 | 1791 "-*- texinfo -*-\n\ |
16875
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Rename default_save_options() to save_default_options().
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|
1792 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
b04ae15530fc
Rename default_save_options() to save_default_options().
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|
1793 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
b04ae15530fc
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|
1794 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1795 Query or set the internal variable that specifies the default options\n\ |
1796 for the @code{save} command, and defines the default format.\n\ | |
17281
bc924baa2c4e
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17183
diff
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|
1797 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1798 The default value is @option{-text}.\n\ |
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|
1799 \n\ |
17281
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17183
diff
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|
1800 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
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17183
diff
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|
1801 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
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17183
diff
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|
1802 The original variable value is restored when exiting the function.\n\ |
5794 | 1803 @seealso{save}\n\ |
1804 @end deftypefn") | |
4788 | 1805 { |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1806 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1807 } |
1808 | |
5794 | 1809 DEFUN (octave_core_file_limit, args, nargout, |
1810 "-*- texinfo -*-\n\ | |
10840 | 1811 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1812 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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1813 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1814 Query or set the internal variable that specifies the maximum amount\n\ |
1815 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1816 attempt to save when writing data to the crash dump file (the name of\n\ | |
1817 the file is specified by @var{octave_core_file_name}). If\n\ | |
7001 | 1818 @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1819 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1820 size of the file. If a text file format is used, then the file could\n\ | |
1821 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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|
1822 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1823 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
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changeset
|
1824 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1825 The original variable value is restored when exiting the function.\n\ |
5794 | 1826 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1827 @end deftypefn") | |
3709 | 1828 { |
5794 | 1829 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1830 } |
1831 | |
5794 | 1832 DEFUN (octave_core_file_name, args, nargout, |
1833 "-*- texinfo -*-\n\ | |
10840 | 1834 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1835 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
diff
changeset
|
1836 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1837 Query or set the internal variable that specifies the name of the file\n\ |
1838 used for saving data from the top-level workspace if Octave aborts.\n\ | |
17281
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doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
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|
1839 The default value is @qcode{\"octave-workspace\"}\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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changeset
|
1840 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1841 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1842 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
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changeset
|
1843 The original variable value is restored when exiting the function.\n\ |
5794 | 1844 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1845 @end deftypefn") | |
2194 | 1846 { |
5794 | 1847 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1848 } | |
4791 | 1849 |
5794 | 1850 DEFUN (octave_core_file_options, args, nargout, |
1851 "-*- texinfo -*-\n\ | |
10840 | 1852 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1853 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
diff
changeset
|
1854 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1855 Query or set the internal variable that specifies the options used for\n\ |
1856 saving the workspace data if Octave aborts. The value of\n\ | |
1857 @code{octave_core_file_options} should follow the same format as the\n\ | |
9039
51dc9691f23f
Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents:
8946
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1858 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1859 format.\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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1860 \n\ |
17281
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doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
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1861 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
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changeset
|
1862 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1863 The original variable value is restored when exiting the function.\n\ |
5642 | 1864 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1865 @end deftypefn") |
1866 { | |
1867 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1868 } | |
2194 | 1869 |
5794 | 1870 DEFUN (save_header_format_string, args, nargout, |
1871 "-*- texinfo -*-\n\ | |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
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1872 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1873 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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|
1874 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1875 Query or set the internal variable that specifies the format\n\ |
1876 string used for the comment line written at the beginning of\n\ | |
1877 text-format data files saved by Octave. The format string is\n\ | |
1878 passed to @code{strftime} and should begin with the character\n\ | |
1879 @samp{#} and contain no newline characters. If the value of\n\ | |
1880 @code{save_header_format_string} is the empty string,\n\ | |
3709 | 1881 the header comment is omitted from text-format data files. The\n\ |
1882 default value is\n\ | |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1883 @c Set example in small font to prevent overfull line\n\ |
3709 | 1884 \n\ |
7031 | 1885 @smallexample\n\ |
4060 | 1886 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1887 @end smallexample\n\ |
13951
79aa00a94e9e
doc: Document "local" option for configuration variables.
Rik <octave@nomad.inbox5.com>
parents:
13941
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changeset
|
1888 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1889 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1890 variable is changed locally for the function and any subroutines it calls. \n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17183
diff
changeset
|
1891 The original variable value is restored when exiting the function.\n\ |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1892 @seealso{strftime, save}\n\ |
5794 | 1893 @end deftypefn") |
1894 { | |
1895 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1896 } |