Mercurial > octave-antonio
annotate libinterp/corefcn/load-save.cc @ 19152:0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
* doc/interpreter/contrib.txi, doc/interpreter/expr.txi,
doc/interpreter/func.txi, doc/interpreter/linalg.txi, doc/interpreter/plot.txi,
libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc,
libinterp/corefcn/graphics.cc, libinterp/corefcn/help.cc,
libinterp/corefcn/load-save.cc, libinterp/corefcn/profiler.cc,
libinterp/corefcn/syscalls.cc, libinterp/corefcn/utils.cc,
libinterp/corefcn/variables.cc, libinterp/dldfcn/__init_fltk__.cc,
scripts/general/deal.m, scripts/help/__gripe_missing_component__.m,
scripts/miscellaneous/desktop.m, scripts/pkg/private/default_prefix.m,
scripts/plot/appearance/__getlegenddata__.m, scripts/plot/util/pan.m,
scripts/plot/util/rotate.m, scripts/plot/util/rotate3d.m,
scripts/plot/util/zoom.m, scripts/signal/periodogram.m,
scripts/specfun/factor.m, scripts/specfun/primes.m,
scripts/statistics/base/lscov.m, scripts/testfun/private/compare_plot_demos.m,
scripts/testfun/private/dump_demos.m,
scripts/testfun/private/html_compare_plot_demos.m, scripts/testfun/test.m:
Periodic grammarcheck of documentation.
author | Rik <rik@octave.org> |
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date | Mon, 22 Sep 2014 20:46:54 -0700 |
parents | 9ef10e6a5987 |
children | 9ef286208da1 |
rev | line source |
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6763 | 1 /* |
604 | 2 |
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3 Copyright (C) 1994-2013 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 name_val = extract_keyword (file, "name"); |
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269 std::string type_val = extract_keyword (file, "type"); |
4171 | 270 |
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271 if (name_val.empty () != true && type_val.empty () != true) |
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272 retval = LS_ASCII; |
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273 else |
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274 { |
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275 file.clear (); |
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276 file.seekg (0, std::ios::beg); |
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277 |
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278 // FIXME: looks_like_mat_ascii_file does not check to see |
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279 // whether the file contains numbers. It just skips comments |
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280 // and checks for the same number of words on each line. We |
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281 // may need a better check here. The best way to do that |
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282 // might be just to try to read the file and see if it works. |
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283 |
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284 if (looks_like_mat_ascii_file (file, filename)) |
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285 retval = LS_MAT_ASCII; |
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286 } |
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287 } |
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288 } |
604 | 289 } |
290 | |
5269 | 291 return retval; |
292 } | |
5977 | 293 |
5269 | 294 static load_save_format |
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295 get_file_format (const std::string& fname, const std::string& orig_fname, |
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296 bool &use_zlib, bool quiet = false) |
5269 | 297 { |
298 load_save_format retval = LS_UNKNOWN; | |
299 | |
300 #ifdef HAVE_HDF5 | |
301 // check this before we open the file | |
302 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
303 return LS_HDF5; | |
304 #endif /* HAVE_HDF5 */ | |
604 | 305 |
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306 #ifdef HAVE_ZLIB |
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307 use_zlib = check_gzip_magic (fname); |
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308 #else |
5269 | 309 use_zlib = false; |
5977 | 310 #endif |
5269 | 311 |
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312 if (! use_zlib) |
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313 { |
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314 std::ifstream file (fname.c_str ()); |
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315 if (file) |
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316 { |
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317 retval = get_file_format (file, orig_fname); |
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318 file.close (); |
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319 } |
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320 else if (! quiet) |
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321 gripe_file_open ("load", orig_fname); |
5269 | 322 } |
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323 #ifdef HAVE_ZLIB |
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324 else |
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325 { |
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326 gzifstream gzfile (fname.c_str ()); |
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327 if (gzfile) |
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328 { |
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329 retval = get_file_format (gzfile, orig_fname); |
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330 gzfile.close (); |
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331 } |
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332 else if (! quiet) |
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333 gripe_file_open ("load", orig_fname); |
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334 } |
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335 #endif |
604 | 336 |
337 return retval; | |
338 } | |
339 | |
4329 | 340 octave_value |
7336 | 341 do_load (std::istream& stream, const std::string& orig_fname, |
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342 load_save_format format, oct_mach_info::float_format flt_fmt, |
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343 bool list_only, bool swap, bool verbose, |
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344 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 345 { |
3727 | 346 octave_value retval; |
347 | |
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348 octave_scalar_map retstruct; |
604 | 349 |
5765 | 350 std::ostringstream output_buf; |
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351 std::list<std::string> symbol_names; |
4051 | 352 |
5754 | 353 octave_idx_type count = 0; |
4051 | 354 |
604 | 355 for (;;) |
356 { | |
3019 | 357 bool global = false; |
2086 | 358 octave_value tc; |
604 | 359 |
4171 | 360 std::string name; |
361 std::string doc; | |
604 | 362 |
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363 switch (format.type) |
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364 { |
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365 case LS_ASCII: |
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366 name = read_ascii_data (stream, orig_fname, global, tc, count); |
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367 break; |
604 | 368 |
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369 case LS_BINARY: |
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370 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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371 global, tc, doc); |
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372 break; |
604 | 373 |
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374 case LS_MAT_ASCII: |
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375 name = read_mat_ascii_data (stream, orig_fname, tc); |
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376 break; |
2511 | 377 |
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378 case LS_MAT_BINARY: |
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379 name = read_mat_binary_data (stream, orig_fname, tc); |
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380 break; |
604 | 381 |
3687 | 382 #ifdef HAVE_HDF5 |
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383 case LS_HDF5: |
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384 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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385 argv, argv_idx, argc); |
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386 break; |
3687 | 387 #endif /* HAVE_HDF5 */ |
388 | |
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389 case LS_MAT5_BINARY: |
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390 case LS_MAT7_BINARY: |
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391 name = read_mat5_binary_element (stream, orig_fname, swap, |
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392 global, tc); |
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393 break; |
3688 | 394 |
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395 default: |
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396 gripe_unrecognized_data_fmt ("load"); |
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397 break; |
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398 } |
604 | 399 |
4171 | 400 if (error_state || stream.eof () || name.empty ()) |
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401 break; |
4171 | 402 else if (! error_state && ! name.empty ()) |
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403 { |
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404 if (tc.is_defined ()) |
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405 { |
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406 if (format == LS_MAT_ASCII && argv_idx < argc) |
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407 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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408 orig_fname.c_str ()); |
3136 | 409 |
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410 if (format == LS_MAT_ASCII |
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411 || argv_idx == argc |
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412 || matches_patterns (argv, argv_idx, argc, name)) |
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413 { |
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414 count++; |
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415 if (list_only) |
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416 { |
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417 if (verbose) |
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418 { |
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419 if (count == 1) |
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420 output_buf |
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421 << "type rows cols name\n" |
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422 << "==== ==== ==== ====\n"; |
621 | 423 |
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424 output_buf |
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425 << std::setiosflags (std::ios::left) |
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426 << std::setw (16) << tc.type_name () . c_str () |
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427 << std::setiosflags (std::ios::right) |
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428 << std::setw (7) << tc.rows () |
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429 << std::setw (7) << tc.columns () |
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430 << " " << name << "\n"; |
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431 } |
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432 else |
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433 symbol_names.push_back (name); |
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434 } |
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435 else |
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436 { |
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437 if (nargout == 1) |
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438 { |
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439 if (format == LS_MAT_ASCII) |
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440 retval = tc; |
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441 else |
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442 retstruct.assign (name, tc); |
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443 } |
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444 else |
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445 install_loaded_variable (name, tc, global, doc); |
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446 } |
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447 } |
2511 | 448 |
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449 // Only attempt to read one item from a headless text file. |
2511 | 450 |
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451 if (format == LS_MAT_ASCII) |
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452 break; |
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453 } |
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454 else |
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455 error ("load: unable to load variable '%s'", name.c_str ()); |
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456 } |
604 | 457 else |
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458 { |
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459 if (count == 0) |
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460 error ("load: are you sure '%s' is an Octave data file?", |
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461 orig_fname.c_str ()); |
604 | 462 |
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463 break; |
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464 } |
604 | 465 } |
466 | |
621 | 467 if (list_only && count) |
468 { | |
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469 if (verbose) |
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470 { |
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471 std::string msg = output_buf.str (); |
2095 | 472 |
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473 if (nargout > 0) |
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474 retval = msg; |
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475 else |
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476 octave_stdout << msg; |
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477 } |
621 | 478 else |
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479 { |
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480 if (nargout > 0) |
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481 retval = Cell (string_vector (symbol_names)); |
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482 else |
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483 { |
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484 string_vector names (symbol_names); |
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485 |
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486 names.list_in_columns (octave_stdout); |
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487 |
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488 octave_stdout << "\n"; |
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489 } |
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490 } |
621 | 491 } |
6639 | 492 else if (retstruct.nfields () != 0) |
3727 | 493 retval = retstruct; |
621 | 494 |
863 | 495 return retval; |
496 } | |
497 | |
6159 | 498 std::string |
499 find_file_to_load (const std::string& name, const std::string& orig_name) | |
500 { | |
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501 std::string fname = find_data_file_in_load_path ("load", name, true); |
6159 | 502 |
6838 | 503 size_t dot_pos = fname.rfind ("."); |
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504 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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505 |
8021 | 506 if (dot_pos == std::string::npos |
507 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 508 { |
6838 | 509 // Either no '.' in name or no '.' appears after last directory |
510 // separator. | |
511 | |
6159 | 512 file_stat fs (fname); |
513 | |
6584 | 514 if (! (fs.exists () && fs.is_reg ())) |
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515 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 516 } |
517 else | |
518 { | |
519 file_stat fs (fname); | |
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520 |
6584 | 521 if (! (fs.exists () && fs.is_reg ())) |
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522 { |
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523 fname = ""; |
6159 | 524 |
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525 error ("load: unable to find file %s", orig_name.c_str ()); |
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526 } |
6159 | 527 } |
528 | |
529 return fname; | |
530 } | |
531 | |
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532 bool |
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533 is_octave_data_file (const std::string& fname) |
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534 { |
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535 bool use_zlib = false; |
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536 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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537 } |
6159 | 538 |
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539 DEFUN (load, args, nargout, |
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540 "-*- texinfo -*-\n\ |
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541 @deftypefn {Command} {} load file\n\ |
11547 | 542 @deftypefnx {Command} {} load options file\n\ |
543 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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544 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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545 @deftypefnx {Command} {} load file options\n\ |
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546 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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547 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 548 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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549 @var{file}. If no variables are specified then all variables found in the\n\ |
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550 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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551 can be full names or use a pattern syntax. The format of the file is\n\ |
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552 automatically detected but may be overridden by supplying the appropriate\n\ |
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553 option.\n\ |
863 | 554 \n\ |
5665 | 555 If load is invoked using the functional form\n\ |
556 \n\ | |
557 @example\n\ | |
7247 | 558 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 559 @end example\n\ |
560 \n\ | |
561 @noindent\n\ | |
562 then the @var{options}, @var{file}, and variable name arguments\n\ | |
563 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
564 \n\ | |
3372 | 565 If a variable that is not marked as global is loaded from a file when a\n\ |
566 global symbol with the same name already exists, it is loaded in the\n\ | |
567 global symbol table. Also, if a variable is marked as global in a file\n\ | |
568 and a local symbol exists, the local symbol is moved to the global\n\ | |
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569 symbol table and given the value from the file.\n\ |
863 | 570 \n\ |
3727 | 571 If invoked with a single output argument, Octave returns data instead\n\ |
572 of inserting variables in the symbol table. If the data file contains\n\ | |
573 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
574 returned. Otherwise, @code{load} returns a structure with members\n\ | |
575 corresponding to the names of the variables in the file.\n\ | |
576 \n\ | |
3372 | 577 The @code{load} command can read data stored in Octave's text and\n\ |
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578 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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579 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 580 detect the type of file and do conversion from different floating point\n\ |
581 formats (currently only IEEE big and little endian, though other formats\n\ | |
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582 may be added in the future).\n\ |
3372 | 583 \n\ |
584 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 585 \n\ |
3372 | 586 @table @code\n\ |
587 @item -force\n\ | |
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588 This option is accepted for backward compatibility but is ignored.\n\ |
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589 Octave now overwrites variables currently in memory with\n\ |
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590 those of the same name found in the file.\n\ |
3372 | 591 \n\ |
592 @item -ascii\n\ | |
5938 | 593 Force Octave to assume the file contains columns of numbers in text format\n\ |
594 without any header or other information. Data in the file will be loaded\n\ | |
595 as a single numeric matrix with the name of the variable derived from the\n\ | |
596 name of the file.\n\ | |
5197 | 597 \n\ |
3372 | 598 @item -binary\n\ |
599 Force Octave to assume the file is in Octave's binary format.\n\ | |
600 \n\ | |
3687 | 601 @item -hdf5\n\ |
10840 | 602 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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603 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 604 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 605 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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606 skip some datasets in formats that it cannot support. This format is\n\ |
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607 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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608 \n\ |
3687 | 609 @item -import\n\ |
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610 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 611 Octave can now support multi-dimensional HDF data and automatically\n\ |
612 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 613 \n\ |
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614 @item -mat\n\ |
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615 @itemx -mat-binary\n\ |
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616 @itemx -6\n\ |
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617 @itemx -v6\n\ |
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618 @itemx -7\n\ |
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619 @itemx -v7\n\ |
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620 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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621 format.\n\ |
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622 \n\ |
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623 @item -mat4-binary\n\ |
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624 @itemx -4\n\ |
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625 @itemx -v4\n\ |
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626 @itemx -V4\n\ |
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627 Force Octave to assume the file is in the binary format written by\n\ |
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628 @sc{matlab} version 4.\n\ |
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629 \n\ |
5198 | 630 @item -text\n\ |
5197 | 631 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 632 @end table\n\ |
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633 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 634 @end deftypefn") |
863 | 635 { |
2086 | 636 octave_value_list retval; |
863 | 637 |
1755 | 638 int argc = args.length () + 1; |
639 | |
1968 | 640 string_vector argv = args.make_argv ("load"); |
1755 | 641 |
642 if (error_state) | |
643 return retval; | |
863 | 644 |
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645 int i = 1; |
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646 std::string orig_fname = ""; |
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647 |
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648 // Function called with Matlab-style ["filename", options] syntax |
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649 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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650 { |
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651 orig_fname = argv[1]; |
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652 i++; |
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653 } |
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654 |
1358 | 655 // It isn't necessary to have the default load format stored in a |
656 // user preference variable since we can determine the type of file | |
657 // as we are reading. | |
863 | 658 |
659 load_save_format format = LS_UNKNOWN; | |
660 | |
3019 | 661 bool list_only = false; |
662 bool verbose = false; | |
863 | 663 |
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664 //for (i; i < argc; i++) |
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665 for (; i < argc; i++) |
863 | 666 { |
1755 | 667 if (argv[i] == "-force" || argv[i] == "-f") |
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668 { |
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669 // Silently ignore this |
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670 // warning ("load: -force ignored"); |
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671 } |
1755 | 672 else if (argv[i] == "-list" || argv[i] == "-l") |
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673 { |
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674 list_only = true; |
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675 } |
1755 | 676 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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677 { |
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678 verbose = true; |
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679 } |
1755 | 680 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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681 { |
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682 format = LS_MAT_ASCII; |
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683 } |
1755 | 684 else if (argv[i] == "-binary" || argv[i] == "-b") |
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685 { |
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686 format = LS_BINARY; |
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687 } |
5269 | 688 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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689 || argv[i] == "-6" || argv[i] == "-v6") |
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690 { |
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691 format = LS_MAT5_BINARY; |
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692 } |
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693 else if (argv[i] == "-7" || argv[i] == "-v7") |
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694 { |
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695 format = LS_MAT7_BINARY; |
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696 } |
5256 | 697 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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698 || argv[i] == "-v4" || argv[i] == "-4") |
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699 { |
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700 format = LS_MAT_BINARY; |
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701 } |
3687 | 702 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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703 { |
3687 | 704 #ifdef HAVE_HDF5 |
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705 format = LS_HDF5; |
3687 | 706 #else /* ! HAVE_HDF5 */ |
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707 error ("load: octave executable was not linked with HDF5 library"); |
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708 return retval; |
3687 | 709 #endif /* ! HAVE_HDF5 */ |
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710 } |
3687 | 711 else if (argv[i] == "-import" || argv[i] == "-i") |
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712 { |
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713 warning ("load: -import ignored"); |
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714 } |
5197 | 715 else if (argv[i] == "-text" || argv[i] == "-t") |
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716 { |
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717 format = LS_ASCII; |
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718 } |
863 | 719 else |
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720 break; |
863 | 721 } |
722 | |
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Allow Matlab-style syntax for load command (Bug #33527).
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723 if (orig_fname == "") |
863 | 724 { |
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725 if (i == argc) |
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726 { |
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727 print_usage (); |
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728 return retval; |
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|
729 } |
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730 else |
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731 orig_fname = argv[i]; |
863 | 732 } |
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733 else |
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|
734 i--; |
863 | 735 |
4574 | 736 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 737 |
3019 | 738 bool swap = false; |
863 | 739 |
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740 if (orig_fname == "-") |
863 | 741 { |
1755 | 742 i++; |
863 | 743 |
3687 | 744 #ifdef HAVE_HDF5 |
745 if (format == LS_HDF5) | |
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746 error ("load: cannot read HDF5 format from stdin"); |
3687 | 747 else |
748 #endif /* HAVE_HDF5 */ | |
863 | 749 if (format != LS_UNKNOWN) |
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750 { |
17861
870f3e12e163
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diff
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|
751 // FIXME: if we have already seen EOF on a previous call, |
870f3e12e163
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Rik <rik@octave.org>
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752 // how do we fix up the state of std::cin so that we can get |
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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753 // additional input? I'm afraid that we can't fix this |
870f3e12e163
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754 // using std::cin only. |
3531 | 755 |
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756 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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757 list_only, swap, verbose, argv, i, argc, |
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758 nargout); |
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759 } |
863 | 760 else |
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761 error ("load: must specify file format if reading from stdin"); |
863 | 762 } |
763 else | |
764 { | |
12895
8edece28cf4d
Allow Matlab-style syntax for load command (Bug #33527).
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|
765 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 766 |
767 fname = find_file_to_load (fname, orig_fname); | |
863 | 768 |
6159 | 769 if (error_state) |
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770 return retval; |
6159 | 771 |
772 bool use_zlib = false; | |
5089 | 773 |
863 | 774 if (format == LS_UNKNOWN) |
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775 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 776 |
3687 | 777 #ifdef HAVE_HDF5 |
778 if (format == LS_HDF5) | |
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779 { |
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780 i++; |
3687 | 781 |
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782 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 783 |
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784 if (hdf5_file.file_id >= 0) |
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785 { |
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786 retval = do_load (hdf5_file, orig_fname, format, |
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787 flt_fmt, list_only, swap, verbose, |
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788 argv, i, argc, nargout); |
4844 | 789 |
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790 hdf5_file.close (); |
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791 } |
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792 else |
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793 gripe_file_open ("load", orig_fname); |
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794 } |
3687 | 795 else |
796 #endif /* HAVE_HDF5 */ | |
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797 // don't insert any statements here; the "else" above has to |
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798 // go with the "if" below!!!!! |
863 | 799 if (format != LS_UNKNOWN) |
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800 { |
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801 i++; |
863 | 802 |
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803 // Always open in binary mode and handle various |
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804 // line-endings explicitly. |
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805 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 806 |
5269 | 807 #ifdef HAVE_ZLIB |
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808 if (use_zlib) |
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809 { |
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810 gzifstream file (fname.c_str (), mode); |
863 | 811 |
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812 if (file) |
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|
813 { |
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|
814 if (format == LS_BINARY) |
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815 { |
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816 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
57a59eae83cc
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|
817 { |
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818 if (file) file.close (); |
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|
819 return retval; |
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820 } |
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|
821 } |
11586
12df7854fa7c
strip trailing whitespace from source files
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11572
diff
changeset
|
822 else if (format == LS_MAT5_BINARY |
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823 || format == LS_MAT7_BINARY) |
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824 { |
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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825 if (read_mat5_binary_file_header (file, swap, false, |
175b392e91fe
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changeset
|
826 orig_fname) < 0) |
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827 { |
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828 if (file) file.close (); |
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829 return retval; |
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|
830 } |
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831 } |
5269 | 832 |
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833 retval = do_load (file, orig_fname, format, |
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834 flt_fmt, list_only, swap, verbose, |
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835 argv, i, argc, nargout); |
5269 | 836 |
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837 file.close (); |
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838 } |
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839 else |
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840 gripe_file_open ("load", orig_fname); |
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841 } |
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842 else |
5269 | 843 #endif |
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844 { |
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845 std::ifstream file (fname.c_str (), mode); |
5269 | 846 |
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847 if (file) |
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848 { |
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849 if (format == LS_BINARY) |
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850 { |
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851 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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852 { |
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853 if (file) file.close (); |
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854 return retval; |
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855 } |
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856 } |
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857 else if (format == LS_MAT5_BINARY |
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858 || format == LS_MAT7_BINARY) |
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859 { |
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860 if (read_mat5_binary_file_header (file, swap, false, |
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861 orig_fname) < 0) |
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862 { |
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863 if (file) file.close (); |
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864 return retval; |
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865 } |
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866 } |
5269 | 867 |
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868 retval = do_load (file, orig_fname, format, |
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869 flt_fmt, list_only, swap, verbose, |
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870 argv, i, argc, nargout); |
5269 | 871 |
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872 file.close (); |
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873 } |
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874 else |
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875 error ("load: unable to open input file '%s'", |
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876 orig_fname.c_str ()); |
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877 } |
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878 } |
863 | 879 } |
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880 |
604 | 881 return retval; |
882 } | |
883 | |
3019 | 884 // Return TRUE if PATTERN has any special globbing chars in it. |
885 | |
886 static bool | |
3523 | 887 glob_pattern_p (const std::string& pattern) |
604 | 888 { |
889 int open = 0; | |
890 | |
1755 | 891 int len = pattern.length (); |
892 | |
893 for (int i = 0; i < len; i++) | |
604 | 894 { |
1755 | 895 char c = pattern[i]; |
896 | |
604 | 897 switch (c) |
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898 { |
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899 case '?': |
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900 case '*': |
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901 return true; |
604 | 902 |
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903 case '[': // Only accept an open brace if there is a close |
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904 open++; // brace to match it. Bracket expressions must be |
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905 continue; // complete, according to Posix.2 |
604 | 906 |
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907 case ']': |
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908 if (open) |
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909 return true; |
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910 continue; |
4402 | 911 |
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912 case '\\': |
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913 if (i == len - 1) |
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914 return false; |
604 | 915 |
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916 default: |
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917 continue; |
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918 } |
604 | 919 } |
920 | |
3019 | 921 return false; |
604 | 922 } |
923 | |
4791 | 924 static void |
925 do_save (std::ostream& os, const octave_value& tc, | |
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926 const std::string& name, const std::string& help, |
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927 bool global, load_save_format fmt, bool save_as_floats) |
604 | 928 { |
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929 switch (fmt.type) |
604 | 930 { |
931 case LS_ASCII: | |
6974 | 932 save_ascii_data (os, tc, name, global, 0); |
604 | 933 break; |
934 | |
935 case LS_BINARY: | |
630 | 936 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 937 break; |
938 | |
5938 | 939 case LS_MAT_ASCII: |
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940 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
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941 fmt.opts & LS_MAT_ASCII_TABS)) |
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942 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 943 break; |
944 | |
667 | 945 case LS_MAT_BINARY: |
946 save_mat_binary_data (os, tc, name); | |
947 break; | |
948 | |
3687 | 949 #ifdef HAVE_HDF5 |
950 case LS_HDF5: | |
951 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
952 break; | |
953 #endif /* HAVE_HDF5 */ | |
954 | |
3688 | 955 case LS_MAT5_BINARY: |
5269 | 956 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
957 break; | |
958 | |
959 case LS_MAT7_BINARY: | |
960 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 961 break; |
962 | |
604 | 963 default: |
775 | 964 gripe_unrecognized_data_fmt ("save"); |
604 | 965 break; |
966 } | |
967 } | |
968 | |
4791 | 969 // Save the info from SR on stream OS in the format specified by FMT. |
970 | |
971 void | |
7336 | 972 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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973 load_save_format fmt, bool save_as_floats) |
4791 | 974 { |
7336 | 975 octave_value val = sr.varval (); |
4791 | 976 |
7336 | 977 if (val.is_defined ()) |
4791 | 978 { |
7336 | 979 std::string name = sr.name (); |
980 std::string help; | |
981 bool global = sr.is_global (); | |
4791 | 982 |
7336 | 983 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 984 } |
985 } | |
986 | |
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987 // save fields of a scalar structure STR matching PATTERN on stream OS |
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988 // in the format specified by FMT. |
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989 |
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990 static size_t |
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991 save_fields (std::ostream& os, const octave_scalar_map& m, |
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992 const std::string& pattern, |
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993 load_save_format fmt, bool save_as_floats) |
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994 { |
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995 glob_match pat (pattern); |
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996 |
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997 size_t saved = 0; |
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998 |
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999 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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1000 { |
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1001 std::string empty_str; |
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1002 |
14861
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1003 if (pat.match (m.key (p))) |
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1004 { |
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1005 do_save (os, m.contents (p), m.key (p), empty_str, |
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1006 0, fmt, save_as_floats); |
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1007 |
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1008 saved++; |
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1009 } |
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1010 } |
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1011 |
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1012 return saved; |
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1013 } |
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1014 |
604 | 1015 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1016 // format specified by FMT. |
604 | 1017 |
7336 | 1018 static size_t |
5794 | 1019 save_vars (std::ostream& os, const std::string& pattern, |
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1020 load_save_format fmt, bool save_as_floats) |
604 | 1021 { |
7336 | 1022 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1023 | |
1024 size_t saved = 0; | |
3355 | 1025 |
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1026 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1027 const_vars_iterator; |
3355 | 1028 |
7336 | 1029 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1030 { |
7336 | 1031 do_save (os, *p, fmt, save_as_floats); |
620 | 1032 |
1033 if (error_state) | |
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1034 break; |
7336 | 1035 |
1036 saved++; | |
620 | 1037 } |
604 | 1038 |
1039 return saved; | |
1040 } | |
1041 | |
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1042 static string_vector |
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1043 parse_save_options (const string_vector &argv, |
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1044 load_save_format &format, bool &append, |
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1045 bool &save_as_floats, bool &use_zlib) |
604 | 1046 { |
8034
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1047 string_vector retval; |
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1048 int argc = argv.length (); |
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parents:
8021
diff
changeset
|
1049 |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17861
diff
changeset
|
1050 bool do_double = false; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17861
diff
changeset
|
1051 bool do_tabs = false; |
8418
679c22082ac7
handle -double option for save
John W. Eaton <jwe@octave.org>
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diff
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|
1052 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1053 for (int i = 0; i < argc; i++) |
5284 | 1054 { |
1055 if (argv[i] == "-append") | |
10315
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|
1056 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1057 append = true; |
57a59eae83cc
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|
1058 } |
5284 | 1059 else if (argv[i] == "-ascii" || argv[i] == "-a") |
10315
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untabify src C++ source files
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|
1060 { |
57a59eae83cc
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|
1061 format = LS_MAT_ASCII; |
57a59eae83cc
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|
1062 } |
8418
679c22082ac7
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changeset
|
1063 else if (argv[i] == "-double") |
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|
1064 { |
57a59eae83cc
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|
1065 do_double = true; |
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|
1066 } |
8425
2e777f5135a3
support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
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|
1067 else if (argv[i] == "-tabs") |
10315
57a59eae83cc
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|
1068 { |
57a59eae83cc
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|
1069 do_tabs = true; |
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untabify src C++ source files
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|
1070 } |
5284 | 1071 else if (argv[i] == "-text" || argv[i] == "-t") |
10315
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|
1072 { |
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|
1073 format = LS_ASCII; |
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|
1074 } |
5284 | 1075 else if (argv[i] == "-binary" || argv[i] == "-b") |
10315
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|
1076 { |
57a59eae83cc
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|
1077 format = LS_BINARY; |
57a59eae83cc
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|
1078 } |
5284 | 1079 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
10315
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|
1080 { |
3687 | 1081 #ifdef HAVE_HDF5 |
10315
57a59eae83cc
untabify src C++ source files
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|
1082 format = LS_HDF5; |
5284 | 1083 #else /* ! HAVE_HDF5 */ |
10315
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|
1084 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1085 #endif /* ! HAVE_HDF5 */ |
10315
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|
1086 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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|
1087 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
10315
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1088 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1089 || argv[i] == "-V6") |
57a59eae83cc
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|
1090 { |
57a59eae83cc
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1091 format = LS_MAT5_BINARY; |
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|
1092 } |
5284 | 1093 #ifdef HAVE_ZLIB |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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changeset
|
1094 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
10315
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1095 || argv[i] == "-v7" || argv[i] == "-V7") |
57a59eae83cc
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|
1096 { |
57a59eae83cc
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|
1097 format = LS_MAT7_BINARY; |
57a59eae83cc
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|
1098 } |
5284 | 1099 #endif |
1100 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
10315
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1101 || argv[i] == "-v4" || argv[i] == "-4") |
57a59eae83cc
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1102 { |
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1103 format = LS_MAT_BINARY; |
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|
1104 } |
5284 | 1105 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
10315
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|
1106 { |
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|
1107 format = LS_BINARY; |
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1108 save_as_floats = true; |
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1109 } |
5284 | 1110 else if (argv[i] == "-float-hdf5") |
10315
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|
1111 { |
5284 | 1112 #ifdef HAVE_HDF5 |
10315
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1113 format = LS_HDF5; |
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|
1114 save_as_floats = true; |
5284 | 1115 #else /* ! HAVE_HDF5 */ |
10315
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|
1116 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1117 #endif /* ! HAVE_HDF5 */ |
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1118 } |
5284 | 1119 #ifdef HAVE_ZLIB |
1120 else if (argv[i] == "-zip" || argv[i] == "-z") | |
10315
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|
1121 { |
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1122 use_zlib = true; |
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1123 } |
5284 | 1124 #endif |
15571
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1125 else if (argv[i] == "-struct") |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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diff
changeset
|
1126 { |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1127 retval.append (argv[i]); |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
parents:
15567
diff
changeset
|
1128 } |
18442
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
Mike Miller <mtmiller@ieee.org>
parents:
17861
diff
changeset
|
1129 else if (argv[i][0] == '-' && argv[i] != "-") |
15567
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
1130 { |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
15467
diff
changeset
|
1131 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
parents:
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diff
changeset
|
1132 } |
5284 | 1133 else |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1134 retval.append (argv[i]); |
5284 | 1135 } |
1136 | |
8418
679c22082ac7
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|
1137 if (do_double) |
679c22082ac7
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|
1138 { |
679c22082ac7
handle -double option for save
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|
1139 if (format == LS_MAT_ASCII) |
10315
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|
1140 format.opts |= LS_MAT_ASCII_LONG; |
8418
679c22082ac7
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|
1141 else |
10315
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1142 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
8418
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|
1143 } |
679c22082ac7
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|
1144 |
8425
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support -tabs option for save -ascii
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changeset
|
1145 if (do_tabs) |
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Jaroslav Hajek <highegg@gmail.com>
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|
1146 { |
2e777f5135a3
support -tabs option for save -ascii
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1147 if (format == LS_MAT_ASCII) |
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1148 format.opts |= LS_MAT_ASCII_TABS; |
8425
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1149 else |
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1150 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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|
1151 } |
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1152 |
8034
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1153 return retval; |
5284 | 1154 } |
1155 | |
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changeset
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1156 static string_vector |
11586
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1157 parse_save_options (const std::string &arg, load_save_format &format, |
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1158 bool &append, bool &save_as_floats, |
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1159 bool &use_zlib) |
5284 | 1160 { |
5765 | 1161 std::istringstream is (arg); |
5284 | 1162 std::string str; |
1163 string_vector argv; | |
11586
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1164 |
5765 | 1165 while (! is.eof ()) |
5284 | 1166 { |
1167 is >> str; | |
1168 argv.append (str); | |
1169 } | |
1170 | |
11586
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1171 return parse_save_options (argv, format, append, save_as_floats, |
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1172 use_zlib); |
604 | 1173 } |
1174 | |
4329 | 1175 void |
3523 | 1176 write_header (std::ostream& os, load_save_format format) |
863 | 1177 { |
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1178 switch (format.type) |
863 | 1179 { |
3185 | 1180 case LS_BINARY: |
1181 { | |
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1182 os << (oct_mach_info::words_big_endian () |
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1183 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1184 |
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1185 oct_mach_info::float_format flt_fmt = |
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1186 oct_mach_info::native_float_format (); |
3185 | 1187 |
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1188 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1189 |
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1190 os.write (&tmp, 1); |
3185 | 1191 } |
3688 | 1192 break; |
1193 | |
1194 case LS_MAT5_BINARY: | |
5269 | 1195 case LS_MAT7_BINARY: |
3688 | 1196 { |
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1197 char const * versionmagic; |
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1198 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1199 struct tm bdt; |
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1200 time_t now; |
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1201 char headertext[128]; |
3688 | 1202 |
10315
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1203 time (&now); |
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1204 bdt = *gmtime (&now); |
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1205 memset (headertext, ' ', 124); |
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1206 // ISO 8601 format date |
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1207 nstrftime (headertext, 124, "MATLAB 5.0 MAT-file, written by Octave " |
9947
31436dcf7d0f
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changeset
|
1208 OCTAVE_VERSION ", %Y-%m-%d %T UTC", &bdt, 1, 0); |
3688 | 1209 |
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1210 // The first pair of bytes give the version of the MAT file |
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1211 // format. The second pair of bytes form a magic number which |
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1212 // signals a MAT file. MAT file data are always written in |
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1213 // native byte order. The order of the bytes in the second |
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1214 // pair indicates whether the file was written by a big- or |
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1215 // little-endian machine. However, the version number is |
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1216 // written in the *opposite* byte order from everything else! |
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1217 if (number == 1) |
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1218 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1219 else |
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1220 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1221 |
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1222 memcpy (headertext+124, versionmagic, 4); |
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1223 os.write (headertext, 128); |
3688 | 1224 } |
1225 | |
1226 break; | |
3185 | 1227 |
3687 | 1228 #ifdef HAVE_HDF5 |
1229 case LS_HDF5: | |
1230 #endif /* HAVE_HDF5 */ | |
3185 | 1231 case LS_ASCII: |
1232 { | |
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1233 octave_localtime now; |
3709 | 1234 |
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1235 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1236 |
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1237 if (! comment_string.empty ()) |
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1238 { |
3687 | 1239 #ifdef HAVE_HDF5 |
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1240 if (format == LS_HDF5) |
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1241 { |
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1242 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1243 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1244 } |
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1245 else |
3687 | 1246 #endif /* HAVE_HDF5 */ |
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1247 os << comment_string << "\n"; |
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1248 } |
3185 | 1249 } |
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1250 break; |
3185 | 1251 |
1252 default: | |
1253 break; | |
863 | 1254 } |
1255 } | |
1256 | |
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1257 void |
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1258 octave_prepare_hdf5 (void) |
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1259 { |
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1260 #ifdef HAVE_HDF5 |
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1261 H5dont_atexit (); |
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1262 #endif |
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1263 } |
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1264 |
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1265 void |
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1266 octave_finalize_hdf5 (void) |
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1267 { |
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1268 #ifdef HAVE_HDF5 |
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1269 H5close (); |
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1270 #endif |
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1271 } |
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1272 |
863 | 1273 static void |
3769 | 1274 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1275 std::ostream& os, load_save_format fmt, |
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1276 bool save_as_floats, bool write_header_info) |
863 | 1277 { |
3185 | 1278 if (write_header_info) |
1279 write_header (os, fmt); | |
863 | 1280 |
1755 | 1281 if (argv_idx == argc) |
863 | 1282 { |
5794 | 1283 save_vars (os, "*", fmt, save_as_floats); |
863 | 1284 } |
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1285 else if (argv[argv_idx] == "-struct") |
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1286 { |
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1287 if (++argv_idx >= argc) |
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1288 { |
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1289 error ("save: missing struct name"); |
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1290 return; |
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1291 } |
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1292 |
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1293 std::string struct_name = argv[argv_idx]; |
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1294 |
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1295 if (! symbol_table::is_variable (struct_name)) |
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1296 { |
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1297 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1298 return; |
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1299 } |
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1300 |
16442
302157614308
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1301 octave_value struct_var = symbol_table::varval (struct_name); |
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1302 |
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1303 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1304 { |
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1305 error ("save: '%s' is not a scalar structure", |
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1306 struct_name.c_str ()); |
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1307 return; |
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1308 } |
11059
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1309 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1310 |
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1311 ++argv_idx; |
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1312 |
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1313 if (argv_idx < argc) |
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1314 { |
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1315 for (int i = argv_idx; i < argc; i++) |
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1316 { |
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1317 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1318 save_as_floats)) |
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1319 { |
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1320 warning ("save: no such field '%s.%s'", |
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1321 struct_name.c_str (), argv[i].c_str ()); |
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1322 } |
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1323 } |
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1324 } |
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1325 else |
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1326 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1327 } |
863 | 1328 else |
1329 { | |
1755 | 1330 for (int i = argv_idx; i < argc; i++) |
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1331 { |
17349
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1332 if (argv[i] == "") |
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1333 continue; // Skip empty vars for Matlab compatibility |
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1334 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1335 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1336 } |
863 | 1337 } |
1338 } | |
1339 | |
5284 | 1340 static void |
1341 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1342 bool save_as_floats) |
4791 | 1343 { |
1344 write_header (os, fmt); | |
1345 | |
7767
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1346 std::list<symbol_table::symbol_record> vars |
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1347 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1348 |
1349 double save_mem_size = 0; | |
1350 | |
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1351 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1352 const_vars_iterator; |
7336 | 1353 |
1354 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1355 { |
7336 | 1356 octave_value val = p->varval (); |
4791 | 1357 |
7336 | 1358 if (val.is_defined ()) |
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1359 { |
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1360 std::string name = p->name (); |
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1361 std::string help; |
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1362 bool global = p->is_global (); |
4791 | 1363 |
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1364 double val_size = val.byte_size () / 1024; |
4791 | 1365 |
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1366 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1367 |
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1368 if (Voctave_core_file_limit < 0 |
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1369 || save_mem_size + val_size < Voctave_core_file_limit) |
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1370 { |
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1371 save_mem_size += val_size; |
4791 | 1372 |
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1373 do_save (os, val, name, help, global, fmt, save_as_floats); |
7336 | 1374 |
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1375 if (error_state) |
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|
1376 break; |
57a59eae83cc
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|
1377 } |
57a59eae83cc
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|
1378 } |
4791 | 1379 } |
1380 | |
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use ' instead of ` in error messages, warnings and most comments
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changeset
|
1381 message (0, "save to '%s' complete", fname); |
4791 | 1382 } |
1383 | |
1384 void | |
1385 dump_octave_core (void) | |
1380 | 1386 { |
3189 | 1387 if (Vcrash_dumps_octave_core) |
1380 | 1388 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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changeset
|
1389 // FIXME: should choose better file name? |
3189 | 1390 |
4791 | 1391 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1392 |
15466
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use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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|
1393 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1394 |
5284 | 1395 load_save_format format = LS_BINARY; |
1396 | |
1397 bool save_as_floats = false; | |
1398 | |
1399 bool append = false; | |
3189 | 1400 |
5284 | 1401 bool use_zlib = false; |
1402 | |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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|
1403 parse_save_options (Voctave_core_file_options, format, append, |
10315
57a59eae83cc
untabify src C++ source files
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|
1404 save_as_floats, use_zlib); |
11586
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strip trailing whitespace from source files
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|
1405 |
5284 | 1406 std::ios::openmode mode = std::ios::out; |
4791 | 1407 |
6625 | 1408 // Matlab v7 files are always compressed |
1409 if (format == LS_MAT7_BINARY) | |
10315
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|
1410 use_zlib = false; |
6625 | 1411 |
4791 | 1412 if (format == LS_BINARY |
1413 #ifdef HAVE_HDF5 | |
10315
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untabify src C++ source files
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|
1414 || format == LS_HDF5 |
4791 | 1415 #endif |
10315
57a59eae83cc
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|
1416 || format == LS_MAT_BINARY |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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|
1417 || format == LS_MAT5_BINARY |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1418 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1419 mode |= std::ios::binary; |
3189 | 1420 |
5284 | 1421 mode |= append ? std::ios::ate : std::ios::trunc; |
1422 | |
3687 | 1423 #ifdef HAVE_HDF5 |
1424 if (format == LS_HDF5) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1425 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1426 hdf5_ofstream file (fname, mode); |
3687 | 1427 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1428 if (file.file_id >= 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1429 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1430 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1431 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1432 file.close (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1433 } |
57a59eae83cc
untabify src C++ source files
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|
1434 else |
15466
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use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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14268
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changeset
|
1435 warning ("unable to open '%s' for writing...", fname); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1436 } |
3189 | 1437 else |
3687 | 1438 #endif /* HAVE_HDF5 */ |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1439 // don't insert any commands here! The open brace below must |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1440 // go with the else above! |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1441 { |
5284 | 1442 #ifdef HAVE_ZLIB |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1443 if (use_zlib) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1444 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1445 gzofstream file (fname, mode); |
4791 | 1446 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1447 if (file) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1448 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1449 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1450 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1451 file.close (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1452 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1453 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
diff
changeset
|
1454 warning ("unable to open '%s' for writing...", fname); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1455 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1456 else |
5284 | 1457 #endif |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1458 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1459 std::ofstream file (fname, mode); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
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|
1460 |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1461 if (file) |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1462 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1463 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1464 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1465 file.close (); |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1466 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1467 else |
15466
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use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
diff
changeset
|
1468 warning ("unable to open '%s' for writing...", fname); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1469 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1470 } |
1380 | 1471 } |
1472 } | |
1473 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8676
diff
changeset
|
1474 DEFUN (save, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1475 "-*- texinfo -*-\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11547
diff
changeset
|
1476 @deftypefn {Command} {} save file\n\ |
11547 | 1477 @deftypefnx {Command} {} save options file\n\ |
1478 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1479 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
18949
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
parents:
18868
diff
changeset
|
1480 @deftypefnx {Command} {} {@var{s} =} save @samp{-} @var{v1} @var{v2} @dots{}\n\ |
7247 | 1481 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
18949
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
Andreas Weber <andy.weber.aw@gmail.com>
parents:
18868
diff
changeset
|
1482 @var{file}. The special filename @samp{-} may be used to return the\n\ |
19152
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1483 content of the variables as a string. If no variable names are listed,\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1484 Octave saves all the variables in the current scope. Otherwise, full\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1485 variable names or pattern syntax can be used to specify the variables to\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1486 save. If the @option{-struct} modifier is used, fields @var{f1} @var{f2}\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1487 @dots{} of the scalar structure @var{STRUCT} are saved as if they were\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1488 variables with corresponding names. Valid options for the @code{save}\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1489 command are listed in the following table. Options that modify the output\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19030
diff
changeset
|
1490 format override the format specified by @code{save_default_options}.\n\ |
3372 | 1491 \n\ |
5665 | 1492 If save is invoked using the functional form\n\ |
1493 \n\ | |
1494 @example\n\ | |
7247 | 1495 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1496 @end example\n\ |
1497 \n\ | |
1498 @noindent\n\ | |
1499 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1500 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1501 \n\ |
3372 | 1502 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12642
diff
changeset
|
1503 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12642
diff
changeset
|
1504 Append to the destination instead of overwriting.\n\ |
13929
9cae456085c2
Grammarcheck of documentation before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents:
13026
diff
changeset
|
1505 \n\ |
3372 | 1506 @item -ascii\n\ |
9306
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Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
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9153
diff
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|
1507 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1508 \n\ |
3372 | 1509 @item -binary\n\ |
1510 Save the data in Octave's binary data format.\n\ | |
1511 \n\ | |
1512 @item -float-binary\n\ | |
1513 Save the data in Octave's binary data format but only using single\n\ | |
9306
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Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
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diff
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|
1514 precision. Only use this format if you know that all the\n\ |
de124edcebf6
Update documentation for load and save
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diff
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|
1515 values to be saved can be represented in single precision.\n\ |
de124edcebf6
Update documentation for load and save
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diff
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|
1516 \n\ |
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Update documentation for load and save
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diff
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|
1517 @item -hdf5\n\ |
10840 | 1518 Save the data in @sc{hdf5} format.\n\ |
9306
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Update documentation for load and save
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diff
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|
1519 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1520 Center for Supercomputing Applications at the University of Illinois.)\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1521 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
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1522 @sc{hdf5} libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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diff
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|
1523 \n\ |
9306
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Update documentation for load and save
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diff
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|
1524 @item -float-hdf5\n\ |
10840 | 1525 Save the data in @sc{hdf5} format but only using single precision.\n\ |
9306
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Update documentation for load and save
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|
1526 Only use this format if you know that all the\n\ |
3372 | 1527 values to be saved can be represented in single precision.\n\ |
1528 \n\ | |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
16892
diff
changeset
|
1529 @item -V7\n\ |
5269 | 1530 @itemx -v7\n\ |
1531 @itemx -7\n\ | |
1532 @itemx -mat7-binary\n\ | |
12160
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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diff
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|
1533 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
b64b82721062
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|
1534 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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16892
diff
changeset
|
1535 @item -V6\n\ |
5284 | 1536 @itemx -v6\n\ |
5269 | 1537 @itemx -6\n\ |
1538 @itemx -mat\n\ | |
4884 | 1539 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9039
diff
changeset
|
1540 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1541 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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diff
changeset
|
1542 @item -V4\n\ |
5256 | 1543 @itemx -v4\n\ |
1544 @itemx -4\n\ | |
1545 @itemx -mat4-binary\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9039
diff
changeset
|
1546 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1547 \n\ |
9306
de124edcebf6
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|
1548 @item -text\n\ |
de124edcebf6
Update documentation for load and save
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changeset
|
1549 Save the data in Octave's text data format. (default).\n\ |
3687 | 1550 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
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diff
changeset
|
1551 @item -zip\n\ |
5269 | 1552 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1553 Use the gzip algorithm to compress the file. This works equally on files\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1554 that are compressed with gzip outside of octave, and gzip can equally be\n\ |
12160
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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diff
changeset
|
1555 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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11586
diff
changeset
|
1556 This option is only available if Octave was built with a link to the zlib\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1557 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1558 @end table\n\ |
604 | 1559 \n\ |
9306
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Update documentation for load and save
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9153
diff
changeset
|
1560 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1561 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
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|
1562 \n\ |
3372 | 1563 @table @code\n\ |
1564 @item ?\n\ | |
1565 Match any single character.\n\ | |
1566 \n\ | |
1567 @item *\n\ | |
1568 Match zero or more characters.\n\ | |
1569 \n\ | |
1570 @item [ @var{list} ]\n\ | |
1571 Match the list of characters specified by @var{list}. If the first\n\ | |
1572 character is @code{!} or @code{^}, match all characters except those\n\ | |
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Update documentation for load and save
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|
1573 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
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1574 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
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|
1575 \n\ |
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1576 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1577 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1578 \n\ |
3372 | 1579 @end table\n\ |
1580 \n\ | |
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Update documentation for load and save
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1581 Except when using the @sc{matlab} binary data file format or the\n\ |
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1582 @samp{-ascii} format, saving global\n\ |
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1583 variables also saves the global status of the variable. If the variable\n\ |
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1584 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1585 global variable.\n\ |
1586 \n\ | |
1587 The command\n\ | |
1588 \n\ | |
1589 @example\n\ | |
1590 save -binary data a b*\n\ | |
1591 @end example\n\ | |
1592 \n\ | |
1593 @noindent\n\ | |
1594 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1595 the file @file{data} in Octave's binary format.\n\ | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
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|
1596 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1597 @end deftypefn") |
604 | 1598 { |
2086 | 1599 octave_value_list retval; |
604 | 1600 |
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fix default_save_options parsing and allow mixing options with other arguments.
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|
1601 string_vector argv = args.make_argv (); |
1755 | 1602 |
1603 if (error_state) | |
1604 return retval; | |
604 | 1605 |
1358 | 1606 // Here is where we would get the default save format if it were |
1607 // stored in a user preference variable. | |
604 | 1608 |
3019 | 1609 bool save_as_floats = false; |
630 | 1610 |
5284 | 1611 load_save_format format = LS_ASCII; |
604 | 1612 |
3185 | 1613 bool append = false; |
1614 | |
5269 | 1615 bool use_zlib = false; |
1616 | |
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1617 // get default options |
16875
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Rename default_save_options() to save_default_options().
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1618 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
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1619 use_zlib); |
5351 | 1620 |
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fix default_save_options parsing and allow mixing options with other arguments.
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1621 // override from command line |
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1622 argv = parse_save_options (argv, format, append, save_as_floats, |
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1623 use_zlib); |
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Clean up questionable code bits identified by clang sanitize.
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1624 int argc = argv.length (); |
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|
1625 int i = 0; |
5197 | 1626 |
5284 | 1627 if (error_state) |
1628 return retval; | |
604 | 1629 |
2057 | 1630 if (i == argc) |
604 | 1631 { |
5823 | 1632 print_usage (); |
604 | 1633 return retval; |
1634 } | |
1635 | |
630 | 1636 if (save_as_floats && format == LS_ASCII) |
1637 { | |
1638 error ("save: cannot specify both -ascii and -float-binary"); | |
1639 return retval; | |
1640 } | |
1641 | |
1755 | 1642 if (argv[i] == "-") |
604 | 1643 { |
1755 | 1644 i++; |
863 | 1645 |
3687 | 1646 #ifdef HAVE_HDF5 |
1647 if (format == LS_HDF5) | |
4687 | 1648 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1649 else |
1650 #endif /* HAVE_HDF5 */ | |
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1651 // don't insert any commands here! the brace below must go |
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1652 // with the "else" above! |
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1653 { |
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1654 if (append) |
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1655 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1656 |
18949
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load-save.cc: Return string rather printing to octave_stdout
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1657 std::ostringstream output_buf; |
d5db1019ad4a
load-save.cc: Return string rather printing to octave_stdout
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1658 save_vars (argv, i, argc, output_buf, format, |
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1659 save_as_floats, true); |
18949
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1660 retval = octave_value (output_buf.str()); |
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1661 } |
604 | 1662 } |
1755 | 1663 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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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 { |
17861
870f3e12e163
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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 && |
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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 |
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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 */ |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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, |
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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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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\ |
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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\ |
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1780 \n\ |
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1781 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1782 variable is changed locally for the function and any subroutines it calls. \n\ |
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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 | |
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1790 DEFUN (save_default_options, args, nargout, |
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1791 "-*- texinfo -*-\n\ |
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1792 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1793 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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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\ | |
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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\ |
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1800 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1801 variable is changed locally for the function and any subroutines it calls. \n\ |
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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 { |
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1806 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1807 } |
1808 | |
5794 | 1809 DEFUN (octave_core_file_limit, args, nargout, |
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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\ |
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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\ | |
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1822 \n\ |
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1823 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1824 variable is changed locally for the function and any subroutines it calls. \n\ |
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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, |
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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\ |
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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\ | |
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1839 The default value is @qcode{\"octave-workspace\"}\n\ |
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1840 \n\ |
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1841 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1842 variable is changed locally for the function and any subroutines it calls. \n\ |
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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, |
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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\ |
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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\ | |
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1858 options for the @code{save} function. The default value is Octave's binary\n\ |
5284 | 1859 format.\n\ |
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1860 \n\ |
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1861 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1862 variable is changed locally for the function and any subroutines it calls. \n\ |
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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, |
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1871 "-*- texinfo -*-\n\ |
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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\ |
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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\ | |
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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\ |
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1888 \n\ |
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1889 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1890 variable is changed locally for the function and any subroutines it calls. \n\ |
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1891 The original variable value is restored when exiting the function.\n\ |
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1892 @seealso{strftime, save}\n\ |
5794 | 1893 @end deftypefn") |
1894 { | |
1895 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1896 } |