Mercurial > octave
annotate libinterp/corefcn/load-save.cc @ 20831:35241c4b696c
eliminate return statements after calls to error
* Cell.cc, __ichol__.cc, __lin_interpn__.cc, __pchip_deriv__.cc,
besselj.cc, cellfun.cc, colloc.cc, debug.cc, dlmread.cc,
dynamic-ld.cc, filter.cc, find.cc, gl2ps-renderer.cc, load-path.cc,
load-save.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-text.cc, luinc.cc,
max.cc, nproc.cc, oct-hist.cc, oct-map.cc, oct-obj.cc, oct-stream.cc,
ordschur.cc, pinv.cc, pr-output.cc, profiler.cc, psi.cc, quadcc.cc,
qz.cc, rand.cc, strfind.cc, strfns.cc, sysdep.cc, toplev.cc, tril.cc,
typecast.cc, urlwrite.cc, utils.cc, variables.cc: Eliminate return
statements after calls to error.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 09 Dec 2015 14:00:43 -0500 |
parents | a542a9bf177e |
children | 1142cf6abc0d |
rev | line source |
---|---|
6763 | 1 /* |
604 | 2 |
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3 Copyright (C) 1994-2015 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" |
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62 #include "oct-hdf5.h" |
1750 | 63 #include "oct-obj.h" |
3687 | 64 #include "oct-map.h" |
4332 | 65 #include "ov-cell.h" |
1352 | 66 #include "pager.h" |
1750 | 67 #include "pt-exp.h" |
1352 | 68 #include "symtab.h" |
69 #include "sysdep.h" | |
70 #include "unwind-prot.h" | |
604 | 71 #include "utils.h" |
2371 | 72 #include "variables.h" |
3185 | 73 #include "version.h" |
3688 | 74 #include "dMatrix.h" |
75 | |
4633 | 76 #include "ls-hdf5.h" |
77 #include "ls-mat-ascii.h" | |
78 #include "ls-mat4.h" | |
79 #include "ls-mat5.h" | |
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80 #include "ls-oct-text.h" |
4633 | 81 #include "ls-oct-binary.h" |
3688 | 82 |
10309 | 83 // Remove gnulib definitions, if any. |
84 #ifdef close | |
85 #undef close | |
86 #endif | |
87 #ifdef open | |
88 #undef open | |
5269 | 89 #endif |
90 | |
10309 | 91 #ifdef HAVE_ZLIB |
92 #include "zfstream.h" | |
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93 #endif |
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94 |
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95 // Write octave-workspace file if Octave crashes or is killed by a signal. |
5794 | 96 static bool Vcrash_dumps_octave_core = true; |
3189 | 97 |
4791 | 98 // The maximum amount of memory (in kilobytes) that we will attempt to |
99 // write to the Octave core file. | |
5794 | 100 static double Voctave_core_file_limit = -1.0; |
4791 | 101 |
102 // The name of the Octave core file. | |
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103 static std::string Voctave_core_file_name = "octave-workspace"; |
4791 | 104 |
3687 | 105 // The default output format. May be one of "binary", "text", |
106 // "mat-binary", or "hdf5". | |
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107 static std::string Vsave_default_options = "-text"; |
2194 | 108 |
5284 | 109 // The output format for Octave core files. |
5794 | 110 static std::string Voctave_core_file_options = "-binary"; |
111 | |
112 static std::string | |
113 default_save_header_format (void) | |
114 { | |
115 return | |
116 std::string ("# Created by Octave " OCTAVE_VERSION | |
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117 ", %a %b %d %H:%M:%S %Y %Z <") |
5794 | 118 + octave_env::get_user_name () |
119 + std::string ("@") | |
120 + octave_env::get_host_name () | |
121 + std::string (">"); | |
122 } | |
4788 | 123 |
3709 | 124 // The format string for the comment line at the top of text-format |
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125 // save files. Passed to strftime. Should begin with '#' and contain |
3709 | 126 // no newline characters. |
5794 | 127 static std::string Vsave_header_format_string = default_save_header_format (); |
3709 | 128 |
5369 | 129 static void |
130 gripe_file_open (const std::string& fcn, const std::string& file) | |
131 { | |
132 if (fcn == "load") | |
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133 error ("%s: unable to open input file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 134 else if (fcn == "save") |
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135 error ("%s: unable to open output file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 136 else |
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137 error ("%s: unable to open file '%s'", fcn.c_str (), file.c_str ()); |
5369 | 138 } |
139 | |
7336 | 140 // Install a variable with name NAME and the value VAL in the |
141 // symbol table. If GLOBAL is TRUE, make the variable global. | |
604 | 142 |
143 static void | |
7336 | 144 install_loaded_variable (const std::string& name, |
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145 const octave_value& val, |
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146 bool global, const std::string& /*doc*/) |
604 | 147 { |
148 if (global) | |
149 { | |
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150 symbol_table::clear (name); |
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151 symbol_table::mark_global (name); |
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152 symbol_table::global_assign (name, val); |
604 | 153 } |
154 else | |
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155 symbol_table::assign (name, val); |
604 | 156 } |
157 | |
3019 | 158 // Return TRUE if NAME matches one of the given globbing PATTERNS. |
604 | 159 |
3013 | 160 static bool |
3769 | 161 matches_patterns (const string_vector& patterns, int pat_idx, |
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162 int num_pat, const std::string& name) |
604 | 163 { |
1755 | 164 for (int i = pat_idx; i < num_pat; i++) |
604 | 165 { |
1792 | 166 glob_match pattern (patterns[i]); |
3013 | 167 |
1792 | 168 if (pattern.match (name)) |
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169 return true; |
604 | 170 } |
3688 | 171 |
3013 | 172 return false; |
604 | 173 } |
174 | |
4329 | 175 int |
3523 | 176 read_binary_file_header (std::istream& is, bool& swap, |
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177 oct_mach_info::float_format& flt_fmt, bool quiet) |
604 | 178 { |
3552 | 179 const int magic_len = 10; |
180 char magic[magic_len+1]; | |
5760 | 181 is.read (magic, magic_len); |
604 | 182 magic[magic_len] = '\0'; |
3688 | 183 |
604 | 184 if (strncmp (magic, "Octave-1-L", magic_len) == 0) |
2318 | 185 swap = oct_mach_info::words_big_endian (); |
604 | 186 else if (strncmp (magic, "Octave-1-B", magic_len) == 0) |
2318 | 187 swap = ! oct_mach_info::words_big_endian (); |
604 | 188 else |
189 { | |
190 if (! quiet) | |
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191 error ("load: unable to read read binary file"); |
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192 |
604 | 193 return -1; |
194 } | |
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195 |
604 | 196 char tmp = 0; |
5760 | 197 is.read (&tmp, 1); |
604 | 198 |
2318 | 199 flt_fmt = mopt_digit_to_float_format (tmp); |
200 | |
4574 | 201 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
604 | 202 { |
203 if (! quiet) | |
204 error ("load: unrecognized binary format!"); | |
3688 | 205 |
604 | 206 return -1; |
207 } | |
208 | |
209 return 0; | |
210 } | |
211 | |
5269 | 212 #ifdef HAVE_ZLIB |
213 static bool | |
214 check_gzip_magic (const std::string& fname) | |
215 { | |
216 bool retval = false; | |
217 std::ifstream file (fname.c_str ()); | |
218 OCTAVE_LOCAL_BUFFER (unsigned char, magic, 2); | |
219 | |
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220 if (file.read (reinterpret_cast<char *> (magic), 2) && magic[0] == 0x1f |
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221 && magic[1] == 0x8b) |
5269 | 222 retval = true; |
223 | |
224 file.close (); | |
225 return retval; | |
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226 } |
5269 | 227 #endif |
228 | |
604 | 229 static load_save_format |
6625 | 230 get_file_format (std::istream& file, const std::string& filename) |
604 | 231 { |
232 load_save_format retval = LS_UNKNOWN; | |
233 | |
4574 | 234 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
604 | 235 |
3019 | 236 bool swap = false; |
237 | |
238 if (read_binary_file_header (file, swap, flt_fmt, true) == 0) | |
604 | 239 retval = LS_BINARY; |
240 else | |
241 { | |
6202 | 242 file.clear (); |
3538 | 243 file.seekg (0, std::ios::beg); |
604 | 244 |
5828 | 245 int32_t mopt, nr, nc, imag, len; |
1180 | 246 |
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247 int err = read_mat_file_header (file, swap, mopt, nr, nc, imag, len, |
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248 true); |
1180 | 249 |
250 if (! err) | |
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251 retval = LS_MAT_BINARY; |
604 | 252 else |
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253 { |
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254 file.clear (); |
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255 file.seekg (0, std::ios::beg); |
604 | 256 |
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257 err = read_mat5_binary_file_header (file, swap, true, filename); |
3688 | 258 |
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259 if (! err) |
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260 { |
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261 file.clear (); |
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262 file.seekg (0, std::ios::beg); |
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263 retval = LS_MAT5_BINARY; |
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264 } |
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265 else |
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266 { |
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267 file.clear (); |
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268 file.seekg (0, std::ios::beg); |
3688 | 269 |
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270 std::string name_val = extract_keyword (file, "name"); |
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271 std::string type_val = extract_keyword (file, "type"); |
4171 | 272 |
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273 if (name_val.empty () != true && type_val.empty () != true) |
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274 retval = LS_TEXT; |
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275 else |
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276 { |
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277 file.clear (); |
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278 file.seekg (0, std::ios::beg); |
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279 |
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280 // FIXME: looks_like_mat_ascii_file does not check to see |
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281 // whether the file contains numbers. It just skips comments |
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282 // and checks for the same number of words on each line. We |
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283 // may need a better check here. The best way to do that |
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284 // might be just to try to read the file and see if it works. |
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285 |
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286 if (looks_like_mat_ascii_file (file, filename)) |
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287 retval = LS_MAT_ASCII; |
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288 } |
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289 } |
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290 } |
604 | 291 } |
292 | |
5269 | 293 return retval; |
294 } | |
5977 | 295 |
5269 | 296 static load_save_format |
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297 get_file_format (const std::string& fname, const std::string& orig_fname, |
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298 bool &use_zlib, bool quiet = false) |
5269 | 299 { |
300 load_save_format retval = LS_UNKNOWN; | |
301 | |
302 #ifdef HAVE_HDF5 | |
303 // check this before we open the file | |
304 if (H5Fis_hdf5 (fname.c_str ()) > 0) | |
305 return LS_HDF5; | |
306 #endif /* HAVE_HDF5 */ | |
604 | 307 |
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308 #ifdef HAVE_ZLIB |
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309 use_zlib = check_gzip_magic (fname); |
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310 #else |
5269 | 311 use_zlib = false; |
5977 | 312 #endif |
5269 | 313 |
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314 if (! use_zlib) |
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315 { |
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316 std::ifstream file (fname.c_str ()); |
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317 if (file) |
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318 { |
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319 retval = get_file_format (file, orig_fname); |
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320 file.close (); |
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321 } |
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322 else if (! quiet) |
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323 gripe_file_open ("load", orig_fname); |
5269 | 324 } |
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325 #ifdef HAVE_ZLIB |
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326 else |
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327 { |
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328 gzifstream gzfile (fname.c_str ()); |
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329 if (gzfile) |
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330 { |
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331 retval = get_file_format (gzfile, orig_fname); |
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332 gzfile.close (); |
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333 } |
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334 else if (! quiet) |
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335 gripe_file_open ("load", orig_fname); |
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336 } |
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337 #endif |
604 | 338 |
339 return retval; | |
340 } | |
341 | |
4329 | 342 octave_value |
7336 | 343 do_load (std::istream& stream, const std::string& orig_fname, |
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344 load_save_format format, oct_mach_info::float_format flt_fmt, |
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345 bool list_only, bool swap, bool verbose, |
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346 const string_vector& argv, int argv_idx, int argc, int nargout) |
604 | 347 { |
3727 | 348 octave_value retval; |
349 | |
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350 octave_scalar_map retstruct; |
604 | 351 |
5765 | 352 std::ostringstream output_buf; |
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353 std::list<std::string> symbol_names; |
4051 | 354 |
5754 | 355 octave_idx_type count = 0; |
4051 | 356 |
604 | 357 for (;;) |
358 { | |
3019 | 359 bool global = false; |
2086 | 360 octave_value tc; |
604 | 361 |
4171 | 362 std::string name; |
363 std::string doc; | |
604 | 364 |
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365 switch (format.type) |
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366 { |
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367 case LS_TEXT: |
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368 name = read_text_data (stream, orig_fname, global, tc, count); |
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369 break; |
604 | 370 |
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371 case LS_BINARY: |
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372 name = read_binary_data (stream, swap, flt_fmt, orig_fname, |
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373 global, tc, doc); |
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374 break; |
604 | 375 |
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376 case LS_MAT_ASCII: |
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377 name = read_mat_ascii_data (stream, orig_fname, tc); |
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378 break; |
2511 | 379 |
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380 case LS_MAT_BINARY: |
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381 name = read_mat_binary_data (stream, orig_fname, tc); |
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382 break; |
604 | 383 |
3687 | 384 #ifdef HAVE_HDF5 |
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385 case LS_HDF5: |
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386 name = read_hdf5_data (stream, orig_fname, global, tc, doc, |
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387 argv, argv_idx, argc); |
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388 break; |
3687 | 389 #endif /* HAVE_HDF5 */ |
390 | |
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391 case LS_MAT5_BINARY: |
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392 case LS_MAT7_BINARY: |
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393 name = read_mat5_binary_element (stream, orig_fname, swap, |
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394 global, tc); |
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395 break; |
3688 | 396 |
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397 default: |
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398 gripe_unrecognized_data_fmt ("load"); |
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399 break; |
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400 } |
604 | 401 |
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402 if (stream.eof () || name.empty ()) |
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403 break; |
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404 else |
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405 { |
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406 if (tc.is_defined ()) |
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407 { |
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408 if (format == LS_MAT_ASCII && argv_idx < argc) |
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409 warning ("load: loaded ASCII file '%s' -- ignoring extra args", |
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410 orig_fname.c_str ()); |
3136 | 411 |
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412 if (format == LS_MAT_ASCII |
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413 || argv_idx == argc |
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414 || matches_patterns (argv, argv_idx, argc, name)) |
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415 { |
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416 count++; |
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417 if (list_only) |
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418 { |
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419 if (verbose) |
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420 { |
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421 if (count == 1) |
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422 output_buf |
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423 << "type rows cols name\n" |
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424 << "==== ==== ==== ====\n"; |
621 | 425 |
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426 output_buf |
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427 << std::setiosflags (std::ios::left) |
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428 << std::setw (16) << tc.type_name () . c_str () |
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429 << std::setiosflags (std::ios::right) |
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430 << std::setw (7) << tc.rows () |
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431 << std::setw (7) << tc.columns () |
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432 << " " << name << "\n"; |
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433 } |
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434 else |
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435 symbol_names.push_back (name); |
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436 } |
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437 else |
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438 { |
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439 if (nargout == 1) |
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440 { |
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441 if (format == LS_MAT_ASCII) |
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442 retval = tc; |
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443 else |
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444 retstruct.assign (name, tc); |
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445 } |
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446 else |
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447 install_loaded_variable (name, tc, global, doc); |
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448 } |
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449 } |
2511 | 450 |
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451 // Only attempt to read one item from a headless text file. |
2511 | 452 |
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453 if (format == LS_MAT_ASCII) |
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454 break; |
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455 } |
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456 else |
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457 error ("load: unable to load variable '%s'", name.c_str ()); |
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458 } |
604 | 459 } |
460 | |
621 | 461 if (list_only && count) |
462 { | |
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463 if (verbose) |
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464 { |
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465 std::string msg = output_buf.str (); |
2095 | 466 |
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467 if (nargout > 0) |
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468 retval = msg; |
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469 else |
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470 octave_stdout << msg; |
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471 } |
621 | 472 else |
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473 { |
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474 if (nargout > 0) |
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475 retval = Cell (string_vector (symbol_names)); |
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476 else |
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477 { |
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478 string_vector names (symbol_names); |
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479 |
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480 names.list_in_columns (octave_stdout); |
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481 |
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482 octave_stdout << "\n"; |
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483 } |
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484 } |
621 | 485 } |
6639 | 486 else if (retstruct.nfields () != 0) |
3727 | 487 retval = retstruct; |
621 | 488 |
863 | 489 return retval; |
490 } | |
491 | |
6159 | 492 std::string |
493 find_file_to_load (const std::string& name, const std::string& orig_name) | |
494 { | |
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495 std::string fname = find_data_file_in_load_path ("load", name, true); |
6159 | 496 |
6838 | 497 size_t dot_pos = fname.rfind ("."); |
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498 size_t sep_pos = fname.find_last_of (file_ops::dir_sep_chars ()); |
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499 |
8021 | 500 if (dot_pos == std::string::npos |
501 || (sep_pos != std::string::npos && dot_pos < sep_pos)) | |
6159 | 502 { |
6838 | 503 // Either no '.' in name or no '.' appears after last directory |
504 // separator. | |
505 | |
6159 | 506 file_stat fs (fname); |
507 | |
6584 | 508 if (! (fs.exists () && fs.is_reg ())) |
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509 fname = find_file_to_load (fname + ".mat", orig_name); |
6159 | 510 } |
511 else | |
512 { | |
513 file_stat fs (fname); | |
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514 |
6584 | 515 if (! (fs.exists () && fs.is_reg ())) |
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516 { |
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517 fname = ""; |
6159 | 518 |
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519 error ("load: unable to find file %s", orig_name.c_str ()); |
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520 } |
6159 | 521 } |
522 | |
523 return fname; | |
524 } | |
525 | |
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526 bool |
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527 is_octave_data_file (const std::string& fname) |
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528 { |
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529 bool use_zlib = false; |
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530 return get_file_format (fname, fname, use_zlib, true) != LS_UNKNOWN; |
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531 } |
6159 | 532 |
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533 DEFUN (load, args, nargout, |
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534 "-*- texinfo -*-\n\ |
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535 @deftypefn {Command} {} load file\n\ |
11547 | 536 @deftypefnx {Command} {} load options file\n\ |
537 @deftypefnx {Command} {} load options file v1 v2 @dots{}\n\ | |
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538 @deftypefnx {Command} {S =} load (\"options\", \"file\", \"v1\", \"v2\", @dots{})\n\ |
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539 @deftypefnx {Command} {} load file options\n\ |
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540 @deftypefnx {Command} {} load file options v1 v2 @dots{}\n\ |
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541 @deftypefnx {Command} {S =} load (\"file\", \"options\", \"v1\", \"v2\", @dots{})\n\ |
7247 | 542 Load the named variables @var{v1}, @var{v2}, @dots{}, from the file\n\ |
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543 @var{file}.\n\ |
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544 \n\ |
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545 If no variables are specified then all variables found in the\n\ |
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546 file will be loaded. As with @code{save}, the list of variables to extract\n\ |
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547 can be full names or use a pattern syntax. The format of the file is\n\ |
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548 automatically detected but may be overridden by supplying the appropriate\n\ |
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549 option.\n\ |
863 | 550 \n\ |
5665 | 551 If load is invoked using the functional form\n\ |
552 \n\ | |
553 @example\n\ | |
7247 | 554 load (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 555 @end example\n\ |
556 \n\ | |
557 @noindent\n\ | |
558 then the @var{options}, @var{file}, and variable name arguments\n\ | |
559 (@var{v1}, @dots{}) must be specified as character strings.\n\ | |
560 \n\ | |
3372 | 561 If a variable that is not marked as global is loaded from a file when a\n\ |
562 global symbol with the same name already exists, it is loaded in the\n\ | |
563 global symbol table. Also, if a variable is marked as global in a file\n\ | |
564 and a local symbol exists, the local symbol is moved to the global\n\ | |
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565 symbol table and given the value from the file.\n\ |
863 | 566 \n\ |
3727 | 567 If invoked with a single output argument, Octave returns data instead\n\ |
568 of inserting variables in the symbol table. If the data file contains\n\ | |
569 only numbers (TAB- or space-delimited columns), a matrix of values is\n\ | |
570 returned. Otherwise, @code{load} returns a structure with members\n\ | |
571 corresponding to the names of the variables in the file.\n\ | |
572 \n\ | |
3372 | 573 The @code{load} command can read data stored in Octave's text and\n\ |
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574 binary formats, and @sc{matlab}'s binary format. If compiled with zlib\n\ |
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575 support, it can also load gzip-compressed files. It will automatically\n\ |
3372 | 576 detect the type of file and do conversion from different floating point\n\ |
577 formats (currently only IEEE big and little endian, though other formats\n\ | |
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578 may be added in the future).\n\ |
3372 | 579 \n\ |
580 Valid options for @code{load} are listed in the following table.\n\ | |
863 | 581 \n\ |
3372 | 582 @table @code\n\ |
583 @item -force\n\ | |
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584 This option is accepted for backward compatibility but is ignored.\n\ |
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585 Octave now overwrites variables currently in memory with\n\ |
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586 those of the same name found in the file.\n\ |
3372 | 587 \n\ |
588 @item -ascii\n\ | |
5938 | 589 Force Octave to assume the file contains columns of numbers in text format\n\ |
590 without any header or other information. Data in the file will be loaded\n\ | |
591 as a single numeric matrix with the name of the variable derived from the\n\ | |
592 name of the file.\n\ | |
5197 | 593 \n\ |
3372 | 594 @item -binary\n\ |
595 Force Octave to assume the file is in Octave's binary format.\n\ | |
596 \n\ | |
3687 | 597 @item -hdf5\n\ |
10840 | 598 Force Octave to assume the file is in @sc{hdf5} format.\n\ |
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599 (@sc{hdf5} is a free, portable binary format developed by the National\n\ |
3687 | 600 Center for Supercomputing Applications at the University of Illinois.)\n\ |
10840 | 601 Note that Octave can read @sc{hdf5} files not created by itself, but may\n\ |
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602 skip some datasets in formats that it cannot support. This format is\n\ |
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603 only available if Octave was built with a link to the @sc{hdf5} libraries.\n\ |
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604 \n\ |
3687 | 605 @item -import\n\ |
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606 This option is accepted for backward compatibility but is ignored.\n\ |
4884 | 607 Octave can now support multi-dimensional HDF data and automatically\n\ |
608 modifies variable names if they are invalid Octave identifiers.\n\ | |
3687 | 609 \n\ |
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610 @item -mat\n\ |
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611 @itemx -mat-binary\n\ |
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612 @itemx -6\n\ |
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613 @itemx -v6\n\ |
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614 @itemx -7\n\ |
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615 @itemx -v7\n\ |
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616 Force Octave to assume the file is in @sc{matlab}'s version 6 or 7 binary\n\ |
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617 format.\n\ |
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618 \n\ |
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619 @item -mat4-binary\n\ |
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620 @itemx -4\n\ |
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621 @itemx -v4\n\ |
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622 @itemx -V4\n\ |
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623 Force Octave to assume the file is in the binary format written by\n\ |
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624 @sc{matlab} version 4.\n\ |
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625 \n\ |
5198 | 626 @item -text\n\ |
5197 | 627 Force Octave to assume the file is in Octave's text format.\n\ |
3372 | 628 @end table\n\ |
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629 @seealso{save, dlmwrite, csvwrite, fwrite}\n\ |
11547 | 630 @end deftypefn") |
863 | 631 { |
2086 | 632 octave_value_list retval; |
863 | 633 |
1755 | 634 int argc = args.length () + 1; |
635 | |
1968 | 636 string_vector argv = args.make_argv ("load"); |
1755 | 637 |
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638 int i = 1; |
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639 std::string orig_fname = ""; |
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640 |
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641 // Function called with Matlab-style ["filename", options] syntax |
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642 if (argc > 1 && ! argv[1].empty () && argv[1].at (0) != '-') |
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643 { |
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644 orig_fname = argv[1]; |
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645 i++; |
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646 } |
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647 |
1358 | 648 // It isn't necessary to have the default load format stored in a |
649 // user preference variable since we can determine the type of file | |
650 // as we are reading. | |
863 | 651 |
652 load_save_format format = LS_UNKNOWN; | |
653 | |
3019 | 654 bool list_only = false; |
655 bool verbose = false; | |
863 | 656 |
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657 //for (i; i < argc; i++) |
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658 for (; i < argc; i++) |
863 | 659 { |
1755 | 660 if (argv[i] == "-force" || argv[i] == "-f") |
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661 { |
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662 // Silently ignore this |
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663 // warning ("load: -force ignored"); |
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664 } |
1755 | 665 else if (argv[i] == "-list" || argv[i] == "-l") |
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666 { |
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667 list_only = true; |
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668 } |
1755 | 669 else if (argv[i] == "-verbose" || argv[i] == "-v") |
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670 { |
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671 verbose = true; |
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672 } |
1755 | 673 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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674 { |
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675 format = LS_MAT_ASCII; |
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676 } |
1755 | 677 else if (argv[i] == "-binary" || argv[i] == "-b") |
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678 { |
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679 format = LS_BINARY; |
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680 } |
5269 | 681 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" || argv[i] == "-m" |
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682 || argv[i] == "-6" || argv[i] == "-v6") |
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683 { |
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684 format = LS_MAT5_BINARY; |
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685 } |
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686 else if (argv[i] == "-7" || argv[i] == "-v7") |
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687 { |
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688 format = LS_MAT7_BINARY; |
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689 } |
5256 | 690 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" |
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691 || argv[i] == "-v4" || argv[i] == "-4") |
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692 { |
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693 format = LS_MAT_BINARY; |
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694 } |
3687 | 695 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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696 { |
3687 | 697 #ifdef HAVE_HDF5 |
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698 format = LS_HDF5; |
3687 | 699 #else /* ! HAVE_HDF5 */ |
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700 error ("load: octave executable was not linked with HDF5 library"); |
3687 | 701 #endif /* ! HAVE_HDF5 */ |
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702 } |
3687 | 703 else if (argv[i] == "-import" || argv[i] == "-i") |
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704 { |
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705 warning ("load: -import ignored"); |
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706 } |
5197 | 707 else if (argv[i] == "-text" || argv[i] == "-t") |
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708 { |
20447
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maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
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709 format = LS_TEXT; |
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710 } |
863 | 711 else |
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712 break; |
863 | 713 } |
714 | |
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715 if (orig_fname == "") |
863 | 716 { |
12895
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Allow Matlab-style syntax for load command (Bug #33527).
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717 if (i == argc) |
20801
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eliminate return statements after calls to print_usage
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718 print_usage (); |
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719 |
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720 orig_fname = argv[i]; |
863 | 721 } |
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Allow Matlab-style syntax for load command (Bug #33527).
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722 else |
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Allow Matlab-style syntax for load command (Bug #33527).
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723 i--; |
863 | 724 |
4574 | 725 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
863 | 726 |
3019 | 727 bool swap = false; |
863 | 728 |
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729 if (orig_fname == "-") |
863 | 730 { |
1755 | 731 i++; |
863 | 732 |
3687 | 733 #ifdef HAVE_HDF5 |
734 if (format == LS_HDF5) | |
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735 error ("load: cannot read HDF5 format from stdin"); |
3687 | 736 else |
737 #endif /* HAVE_HDF5 */ | |
863 | 738 if (format != LS_UNKNOWN) |
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739 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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|
740 // FIXME: if we have already seen EOF on a previous call, |
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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|
741 // 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.
Rik <rik@octave.org>
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diff
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|
742 // additional input? I'm afraid that we can't fix this |
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
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743 // using std::cin only. |
3531 | 744 |
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745 retval = do_load (std::cin, orig_fname, format, flt_fmt, |
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746 list_only, swap, verbose, argv, i, argc, |
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747 nargout); |
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748 } |
863 | 749 else |
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750 error ("load: must specify file format if reading from stdin"); |
863 | 751 } |
752 else | |
753 { | |
12895
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|
754 std::string fname = file_ops::tilde_expand (orig_fname); |
6159 | 755 |
756 fname = find_file_to_load (fname, orig_fname); | |
863 | 757 |
6159 | 758 bool use_zlib = false; |
5089 | 759 |
863 | 760 if (format == LS_UNKNOWN) |
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761 format = get_file_format (fname, orig_fname, use_zlib); |
863 | 762 |
3687 | 763 #ifdef HAVE_HDF5 |
764 if (format == LS_HDF5) | |
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765 { |
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766 i++; |
3687 | 767 |
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768 hdf5_ifstream hdf5_file (fname.c_str ()); |
3687 | 769 |
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770 if (hdf5_file.file_id >= 0) |
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771 { |
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772 retval = do_load (hdf5_file, orig_fname, format, |
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773 flt_fmt, list_only, swap, verbose, |
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774 argv, i, argc, nargout); |
4844 | 775 |
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776 hdf5_file.close (); |
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777 } |
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778 else |
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779 gripe_file_open ("load", orig_fname); |
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780 } |
3687 | 781 else |
782 #endif /* HAVE_HDF5 */ | |
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783 // don't insert any statements here; the "else" above has to |
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784 // go with the "if" below!!!!! |
863 | 785 if (format != LS_UNKNOWN) |
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|
786 { |
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|
787 i++; |
863 | 788 |
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789 // Always open in binary mode and handle various |
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790 // line-endings explicitly. |
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791 std::ios::openmode mode = std::ios::in | std::ios::binary; |
863 | 792 |
5269 | 793 #ifdef HAVE_ZLIB |
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794 if (use_zlib) |
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795 { |
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796 gzifstream file (fname.c_str (), mode); |
863 | 797 |
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|
798 if (file) |
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799 { |
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800 if (format == LS_BINARY) |
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801 { |
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802 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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803 { |
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804 if (file) file.close (); |
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805 return retval; |
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806 } |
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|
807 } |
11586
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strip trailing whitespace from source files
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11572
diff
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|
808 else if (format == LS_MAT5_BINARY |
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809 || format == LS_MAT7_BINARY) |
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810 { |
17787
175b392e91fe
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Rik <rik@octave.org>
parents:
17755
diff
changeset
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811 if (read_mat5_binary_file_header (file, swap, false, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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diff
changeset
|
812 orig_fname) < 0) |
10315
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|
813 { |
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814 if (file) file.close (); |
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|
815 return retval; |
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816 } |
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817 } |
5269 | 818 |
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819 retval = do_load (file, orig_fname, format, |
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820 flt_fmt, list_only, swap, verbose, |
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821 argv, i, argc, nargout); |
5269 | 822 |
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823 file.close (); |
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824 } |
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825 else |
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826 gripe_file_open ("load", orig_fname); |
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827 } |
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828 else |
5269 | 829 #endif |
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830 { |
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831 std::ifstream file (fname.c_str (), mode); |
5269 | 832 |
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833 if (file) |
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834 { |
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835 if (format == LS_BINARY) |
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836 { |
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837 if (read_binary_file_header (file, swap, flt_fmt) < 0) |
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838 { |
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839 if (file) file.close (); |
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840 return retval; |
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841 } |
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842 } |
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843 else if (format == LS_MAT5_BINARY |
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844 || format == LS_MAT7_BINARY) |
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845 { |
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846 if (read_mat5_binary_file_header (file, swap, false, |
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847 orig_fname) < 0) |
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848 { |
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849 if (file) file.close (); |
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850 return retval; |
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851 } |
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852 } |
5269 | 853 |
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854 retval = do_load (file, orig_fname, format, |
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855 flt_fmt, list_only, swap, verbose, |
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856 argv, i, argc, nargout); |
5269 | 857 |
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858 file.close (); |
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859 } |
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860 else |
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use ' instead of ` in error messages, warnings and most comments
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861 error ("load: unable to open input file '%s'", |
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862 orig_fname.c_str ()); |
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863 } |
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864 } |
19387
616f2b22787b
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|
865 else |
616f2b22787b
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|
866 { |
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|
867 error ("load: unable to determine file format of '%s'", |
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|
868 orig_fname.c_str ()); |
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869 } |
863 | 870 } |
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871 |
604 | 872 return retval; |
873 } | |
874 | |
3019 | 875 // Return TRUE if PATTERN has any special globbing chars in it. |
876 | |
877 static bool | |
3523 | 878 glob_pattern_p (const std::string& pattern) |
604 | 879 { |
880 int open = 0; | |
881 | |
1755 | 882 int len = pattern.length (); |
883 | |
884 for (int i = 0; i < len; i++) | |
604 | 885 { |
1755 | 886 char c = pattern[i]; |
887 | |
604 | 888 switch (c) |
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889 { |
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890 case '?': |
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891 case '*': |
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892 return true; |
604 | 893 |
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894 case '[': // Only accept an open brace if there is a close |
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895 open++; // brace to match it. Bracket expressions must be |
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896 continue; // complete, according to Posix.2 |
604 | 897 |
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898 case ']': |
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899 if (open) |
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900 return true; |
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901 continue; |
4402 | 902 |
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903 case '\\': |
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904 if (i == len - 1) |
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905 return false; |
604 | 906 |
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907 default: |
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908 continue; |
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909 } |
604 | 910 } |
911 | |
3019 | 912 return false; |
604 | 913 } |
914 | |
4791 | 915 static void |
916 do_save (std::ostream& os, const octave_value& tc, | |
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917 const std::string& name, const std::string& help, |
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918 bool global, load_save_format fmt, bool save_as_floats) |
604 | 919 { |
8425
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support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
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diff
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920 switch (fmt.type) |
604 | 921 { |
20447
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
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922 case LS_TEXT: |
c6224b4e7774
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Rik <rik@octave.org>
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|
923 save_text_data (os, tc, name, global, 0); |
604 | 924 break; |
925 | |
926 case LS_BINARY: | |
630 | 927 save_binary_data (os, tc, name, help, global, save_as_floats); |
604 | 928 break; |
929 | |
5938 | 930 case LS_MAT_ASCII: |
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931 if (! save_mat_ascii_data (os, tc, fmt.opts & LS_MAT_ASCII_LONG ? 16 : 8, |
8425
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932 fmt.opts & LS_MAT_ASCII_TABS)) |
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933 warning ("save: unable to save %s in ASCII format", name.c_str ()); |
5938 | 934 break; |
935 | |
667 | 936 case LS_MAT_BINARY: |
937 save_mat_binary_data (os, tc, name); | |
938 break; | |
939 | |
3687 | 940 #ifdef HAVE_HDF5 |
941 case LS_HDF5: | |
942 save_hdf5_data (os, tc, name, help, global, save_as_floats); | |
943 break; | |
944 #endif /* HAVE_HDF5 */ | |
945 | |
3688 | 946 case LS_MAT5_BINARY: |
5269 | 947 save_mat5_binary_element (os, tc, name, global, false, save_as_floats); |
948 break; | |
949 | |
950 case LS_MAT7_BINARY: | |
951 save_mat5_binary_element (os, tc, name, global, true, save_as_floats); | |
3688 | 952 break; |
953 | |
604 | 954 default: |
775 | 955 gripe_unrecognized_data_fmt ("save"); |
604 | 956 break; |
957 } | |
958 } | |
959 | |
4791 | 960 // Save the info from SR on stream OS in the format specified by FMT. |
961 | |
962 void | |
7336 | 963 do_save (std::ostream& os, const symbol_table::symbol_record& sr, |
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964 load_save_format fmt, bool save_as_floats) |
4791 | 965 { |
7336 | 966 octave_value val = sr.varval (); |
4791 | 967 |
7336 | 968 if (val.is_defined ()) |
4791 | 969 { |
7336 | 970 std::string name = sr.name (); |
971 std::string help; | |
972 bool global = sr.is_global (); | |
4791 | 973 |
7336 | 974 do_save (os, val, name, help, global, fmt, save_as_floats); |
4791 | 975 } |
976 } | |
977 | |
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978 // save fields of a scalar structure STR matching PATTERN on stream OS |
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979 // in the format specified by FMT. |
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980 |
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981 static size_t |
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982 save_fields (std::ostream& os, const octave_scalar_map& m, |
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983 const std::string& pattern, |
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984 load_save_format fmt, bool save_as_floats) |
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985 { |
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986 glob_match pat (pattern); |
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987 |
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988 size_t saved = 0; |
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989 |
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990 for (octave_scalar_map::const_iterator p = m.begin (); p != m.end (); p++) |
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991 { |
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992 std::string empty_str; |
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993 |
14861
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994 if (pat.match (m.key (p))) |
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995 { |
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996 do_save (os, m.contents (p), m.key (p), empty_str, |
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997 0, fmt, save_as_floats); |
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998 |
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999 saved++; |
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1000 } |
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1001 } |
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1002 |
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1003 return saved; |
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1004 } |
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1005 |
604 | 1006 // Save variables with names matching PATTERN on stream OS in the |
5794 | 1007 // format specified by FMT. |
604 | 1008 |
7336 | 1009 static size_t |
5794 | 1010 save_vars (std::ostream& os, const std::string& pattern, |
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1011 load_save_format fmt, bool save_as_floats) |
604 | 1012 { |
7336 | 1013 std::list<symbol_table::symbol_record> vars = symbol_table::glob (pattern); |
1014 | |
1015 size_t saved = 0; | |
3355 | 1016 |
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1017 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1018 const_vars_iterator; |
3355 | 1019 |
7336 | 1020 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) |
620 | 1021 { |
7336 | 1022 do_save (os, *p, fmt, save_as_floats); |
620 | 1023 |
7336 | 1024 saved++; |
620 | 1025 } |
604 | 1026 |
1027 return saved; | |
1028 } | |
1029 | |
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1030 static string_vector |
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1031 parse_save_options (const string_vector &argv, |
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1032 load_save_format &format, bool &append, |
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1033 bool &save_as_floats, bool &use_zlib) |
604 | 1034 { |
8034
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|
1035 string_vector retval; |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
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changeset
|
1036 int argc = argv.numel (); |
8034
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|
1037 |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
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17861
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|
1038 bool do_double = false; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
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|
1039 bool do_tabs = false; |
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1040 |
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|
1041 for (int i = 0; i < argc; i++) |
5284 | 1042 { |
1043 if (argv[i] == "-append") | |
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1044 { |
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1045 append = true; |
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1046 } |
5284 | 1047 else if (argv[i] == "-ascii" || argv[i] == "-a") |
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1048 { |
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1049 format = LS_MAT_ASCII; |
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|
1050 } |
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|
1051 else if (argv[i] == "-double") |
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1052 { |
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1053 do_double = true; |
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1054 } |
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|
1055 else if (argv[i] == "-tabs") |
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|
1056 { |
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1057 do_tabs = true; |
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1058 } |
5284 | 1059 else if (argv[i] == "-text" || argv[i] == "-t") |
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1060 { |
20447
c6224b4e7774
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Rik <rik@octave.org>
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|
1061 format = LS_TEXT; |
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1062 } |
5284 | 1063 else if (argv[i] == "-binary" || argv[i] == "-b") |
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|
1064 { |
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1065 format = LS_BINARY; |
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1066 } |
5284 | 1067 else if (argv[i] == "-hdf5" || argv[i] == "-h") |
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1068 { |
3687 | 1069 #ifdef HAVE_HDF5 |
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1070 format = LS_HDF5; |
5284 | 1071 #else /* ! HAVE_HDF5 */ |
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1072 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1073 #endif /* ! HAVE_HDF5 */ |
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1074 } |
11586
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1075 else if (argv[i] == "-mat-binary" || argv[i] == "-mat" |
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1076 || argv[i] == "-m" || argv[i] == "-6" || argv[i] == "-v6" |
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1077 || argv[i] == "-V6") |
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1078 { |
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1079 format = LS_MAT5_BINARY; |
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1080 } |
5284 | 1081 #ifdef HAVE_ZLIB |
11586
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1082 else if (argv[i] == "-mat7-binary" || argv[i] == "-7" |
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1083 || argv[i] == "-v7" || argv[i] == "-V7") |
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1084 { |
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1085 format = LS_MAT7_BINARY; |
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|
1086 } |
5284 | 1087 #endif |
1088 else if (argv[i] == "-mat4-binary" || argv[i] == "-V4" | |
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1089 || argv[i] == "-v4" || argv[i] == "-4") |
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|
1090 { |
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1091 format = LS_MAT_BINARY; |
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1092 } |
5284 | 1093 else if (argv[i] == "-float-binary" || argv[i] == "-f") |
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|
1094 { |
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|
1095 format = LS_BINARY; |
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1096 save_as_floats = true; |
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1097 } |
5284 | 1098 else if (argv[i] == "-float-hdf5") |
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|
1099 { |
5284 | 1100 #ifdef HAVE_HDF5 |
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1101 format = LS_HDF5; |
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1102 save_as_floats = true; |
5284 | 1103 #else /* ! HAVE_HDF5 */ |
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1104 error ("save: octave executable was not linked with HDF5 library"); |
5284 | 1105 #endif /* ! HAVE_HDF5 */ |
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1106 } |
5284 | 1107 #ifdef HAVE_ZLIB |
1108 else if (argv[i] == "-zip" || argv[i] == "-z") | |
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1109 { |
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1110 use_zlib = true; |
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1111 } |
5284 | 1112 #endif |
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Rik <rik@octave.org>
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diff
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|
1113 else if (argv[i] == "-struct") |
7b9551c65b7b
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|
1114 { |
7b9551c65b7b
Don't report '-struct' as an unrecognized option to save().
Rik <rik@octave.org>
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|
1115 retval.append (argv[i]); |
7b9551c65b7b
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Rik <rik@octave.org>
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diff
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|
1116 } |
18442
5c0b8f2da650
Allow save() to write to the terminal with the filename '-' (bug #41505)
Mike Miller <mtmiller@ieee.org>
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|
1117 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>
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|
1118 { |
e05eafe7105a
Print an error message if save() called with unrecognized option (bug #37502)
Rik <rik@octave.org>
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changeset
|
1119 error ("save: Unrecognized option '%s'", argv[i].c_str ()); |
e05eafe7105a
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Rik <rik@octave.org>
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|
1120 } |
5284 | 1121 else |
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fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
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|
1122 retval.append (argv[i]); |
5284 | 1123 } |
1124 | |
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|
1125 if (do_double) |
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1126 { |
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1127 if (format == LS_MAT_ASCII) |
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1128 format.opts |= LS_MAT_ASCII_LONG; |
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1129 else |
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1130 warning ("save: \"-double\" option only has an effect with \"-ascii\""); |
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1131 } |
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1132 |
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1133 if (do_tabs) |
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1134 { |
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1135 if (format == LS_MAT_ASCII) |
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1136 format.opts |= LS_MAT_ASCII_TABS; |
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1137 else |
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1138 warning ("save: \"-tabs\" option only has an effect with \"-ascii\""); |
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1139 } |
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1140 |
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1141 return retval; |
5284 | 1142 } |
1143 | |
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1144 static string_vector |
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1145 parse_save_options (const std::string &arg, load_save_format &format, |
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1146 bool &append, bool &save_as_floats, |
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1147 bool &use_zlib) |
5284 | 1148 { |
5765 | 1149 std::istringstream is (arg); |
5284 | 1150 std::string str; |
1151 string_vector argv; | |
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1152 |
5765 | 1153 while (! is.eof ()) |
5284 | 1154 { |
1155 is >> str; | |
1156 argv.append (str); | |
1157 } | |
1158 | |
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1159 return parse_save_options (argv, format, append, save_as_floats, |
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1160 use_zlib); |
604 | 1161 } |
1162 | |
4329 | 1163 void |
3523 | 1164 write_header (std::ostream& os, load_save_format format) |
863 | 1165 { |
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1166 switch (format.type) |
863 | 1167 { |
3185 | 1168 case LS_BINARY: |
1169 { | |
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1170 os << (oct_mach_info::words_big_endian () |
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1171 ? "Octave-1-B" : "Octave-1-L"); |
3185 | 1172 |
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1173 oct_mach_info::float_format flt_fmt = |
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1174 oct_mach_info::native_float_format (); |
3185 | 1175 |
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1176 char tmp = static_cast<char> (float_format_to_mopt_digit (flt_fmt)); |
3185 | 1177 |
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1178 os.write (&tmp, 1); |
3185 | 1179 } |
3688 | 1180 break; |
1181 | |
1182 case LS_MAT5_BINARY: | |
5269 | 1183 case LS_MAT7_BINARY: |
3688 | 1184 { |
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1185 char const * versionmagic; |
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1186 int16_t number = *(reinterpret_cast<const int16_t *>("\x00\x01")); |
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1187 char headertext[128]; |
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1188 octave_gmtime now; |
3688 | 1189 |
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1190 // ISO 8601 format date |
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1191 const char *matlab_format = "MATLAB 5.0 MAT-file, written by Octave " |
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1192 OCTAVE_VERSION ", %Y-%m-%d %T UTC"; |
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1193 std::string comment_string = now.strftime (matlab_format); |
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1194 |
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1195 size_t len = std::min (comment_string.length (), static_cast<size_t> (124)); |
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1196 memset (headertext, ' ', 124); |
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1197 memcpy (headertext, comment_string.data (), len); |
3688 | 1198 |
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1199 // The first pair of bytes give the version of the MAT file |
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1200 // format. The second pair of bytes form a magic number which |
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1201 // signals a MAT file. MAT file data are always written in |
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1202 // native byte order. The order of the bytes in the second |
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1203 // pair indicates whether the file was written by a big- or |
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1204 // little-endian machine. However, the version number is |
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1205 // written in the *opposite* byte order from everything else! |
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1206 if (number == 1) |
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1207 versionmagic = "\x01\x00\x4d\x49"; // this machine is big endian |
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1208 else |
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1209 versionmagic = "\x00\x01\x49\x4d"; // this machine is little endian |
3688 | 1210 |
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1211 memcpy (headertext+124, versionmagic, 4); |
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1212 os.write (headertext, 128); |
3688 | 1213 } |
1214 | |
1215 break; | |
3185 | 1216 |
3687 | 1217 #ifdef HAVE_HDF5 |
1218 case LS_HDF5: | |
1219 #endif /* HAVE_HDF5 */ | |
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1220 case LS_TEXT: |
3185 | 1221 { |
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1222 octave_localtime now; |
3709 | 1223 |
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1224 std::string comment_string = now.strftime (Vsave_header_format_string); |
3709 | 1225 |
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1226 if (! comment_string.empty ()) |
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1227 { |
3687 | 1228 #ifdef HAVE_HDF5 |
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1229 if (format == LS_HDF5) |
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1230 { |
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1231 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os); |
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1232 H5Gset_comment (hs.file_id, "/", comment_string.c_str ()); |
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1233 } |
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1234 else |
3687 | 1235 #endif /* HAVE_HDF5 */ |
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1236 os << comment_string << "\n"; |
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1237 } |
3185 | 1238 } |
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1239 break; |
3185 | 1240 |
1241 default: | |
1242 break; | |
863 | 1243 } |
1244 } | |
1245 | |
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1246 void |
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1247 octave_prepare_hdf5 (void) |
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1248 { |
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1249 #ifdef HAVE_HDF5 |
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1250 H5dont_atexit (); |
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1251 #endif |
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1252 } |
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1253 |
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1254 void |
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1255 octave_finalize_hdf5 (void) |
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1256 { |
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1257 #ifdef HAVE_HDF5 |
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1258 H5close (); |
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1259 #endif |
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1260 } |
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1261 |
863 | 1262 static void |
3769 | 1263 save_vars (const string_vector& argv, int argv_idx, int argc, |
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1264 std::ostream& os, load_save_format fmt, |
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1265 bool save_as_floats, bool write_header_info) |
863 | 1266 { |
3185 | 1267 if (write_header_info) |
1268 write_header (os, fmt); | |
863 | 1269 |
1755 | 1270 if (argv_idx == argc) |
863 | 1271 { |
5794 | 1272 save_vars (os, "*", fmt, save_as_floats); |
863 | 1273 } |
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1274 else if (argv[argv_idx] == "-struct") |
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1275 { |
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1276 if (++argv_idx >= argc) |
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1277 error ("save: missing struct name"); |
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1278 |
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1279 std::string struct_name = argv[argv_idx]; |
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1280 |
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1281 if (! symbol_table::is_variable (struct_name)) |
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1282 error ("save: no such variable: '%s'", struct_name.c_str ()); |
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1283 |
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1284 octave_value struct_var = symbol_table::varval (struct_name); |
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1285 |
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1286 if (! struct_var.is_map () || struct_var.numel () != 1) |
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1287 error ("save: '%s' is not a scalar structure", struct_name.c_str ()); |
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1288 |
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1289 octave_scalar_map struct_var_map = struct_var.scalar_map_value (); |
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1290 |
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1291 ++argv_idx; |
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1292 |
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1293 if (argv_idx < argc) |
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1294 { |
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1295 for (int i = argv_idx; i < argc; i++) |
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1296 { |
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1297 if (! save_fields (os, struct_var_map, argv[i], fmt, |
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1298 save_as_floats)) |
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1299 { |
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1300 warning ("save: no such field '%s.%s'", |
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1301 struct_name.c_str (), argv[i].c_str ()); |
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1302 } |
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1303 } |
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1304 } |
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1305 else |
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1306 save_fields (os, struct_var_map, "*", fmt, save_as_floats); |
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1307 } |
863 | 1308 else |
1309 { | |
1755 | 1310 for (int i = argv_idx; i < argc; i++) |
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1311 { |
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1312 if (argv[i] == "") |
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1313 continue; // Skip empty vars for Matlab compatibility |
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1314 if (! save_vars (os, argv[i], fmt, save_as_floats)) |
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1315 warning ("save: no such variable '%s'", argv[i].c_str ()); |
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1316 } |
863 | 1317 } |
1318 } | |
1319 | |
5284 | 1320 static void |
1321 dump_octave_core (std::ostream& os, const char *fname, load_save_format fmt, | |
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1322 bool save_as_floats) |
4791 | 1323 { |
1324 write_header (os, fmt); | |
1325 | |
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1326 std::list<symbol_table::symbol_record> vars |
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1327 = symbol_table::all_variables (symbol_table::top_scope (), 0); |
4791 | 1328 |
1329 double save_mem_size = 0; | |
1330 | |
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1331 typedef std::list<symbol_table::symbol_record>::const_iterator |
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1332 const_vars_iterator; |
7336 | 1333 |
1334 for (const_vars_iterator p = vars.begin (); p != vars.end (); p++) | |
4791 | 1335 { |
7336 | 1336 octave_value val = p->varval (); |
4791 | 1337 |
7336 | 1338 if (val.is_defined ()) |
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1339 { |
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1340 std::string name = p->name (); |
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1341 std::string help; |
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1342 bool global = p->is_global (); |
4791 | 1343 |
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1344 double val_size = val.byte_size () / 1024; |
4791 | 1345 |
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1346 // FIXME: maybe we should try to throw out the largest first... |
4791 | 1347 |
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1348 if (Voctave_core_file_limit < 0 |
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1349 || save_mem_size + val_size < Voctave_core_file_limit) |
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1350 { |
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1351 save_mem_size += val_size; |
4791 | 1352 |
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1353 do_save (os, val, name, help, global, fmt, save_as_floats); |
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1354 } |
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1355 } |
4791 | 1356 } |
1357 | |
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1358 message (0, "save to '%s' complete", fname); |
4791 | 1359 } |
1360 | |
1361 void | |
1362 dump_octave_core (void) | |
1380 | 1363 { |
3189 | 1364 if (Vcrash_dumps_octave_core) |
1380 | 1365 { |
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1366 // FIXME: should choose better filename? |
3189 | 1367 |
4791 | 1368 const char *fname = Voctave_core_file_name.c_str (); |
3189 | 1369 |
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1370 message (0, "attempting to save variables to '%s'...", fname); |
3189 | 1371 |
5284 | 1372 load_save_format format = LS_BINARY; |
1373 | |
1374 bool save_as_floats = false; | |
1375 | |
1376 bool append = false; | |
3189 | 1377 |
5284 | 1378 bool use_zlib = false; |
1379 | |
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|
1380 parse_save_options (Voctave_core_file_options, format, append, |
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1381 save_as_floats, use_zlib); |
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1382 |
5284 | 1383 std::ios::openmode mode = std::ios::out; |
4791 | 1384 |
6625 | 1385 // Matlab v7 files are always compressed |
1386 if (format == LS_MAT7_BINARY) | |
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1387 use_zlib = false; |
6625 | 1388 |
4791 | 1389 if (format == LS_BINARY |
1390 #ifdef HAVE_HDF5 | |
10315
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1391 || format == LS_HDF5 |
4791 | 1392 #endif |
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1393 || format == LS_MAT_BINARY |
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1394 || format == LS_MAT5_BINARY |
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1395 || format == LS_MAT7_BINARY) |
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1396 mode |= std::ios::binary; |
3189 | 1397 |
5284 | 1398 mode |= append ? std::ios::ate : std::ios::trunc; |
1399 | |
3687 | 1400 #ifdef HAVE_HDF5 |
1401 if (format == LS_HDF5) | |
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1402 { |
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|
1403 hdf5_ofstream file (fname, mode); |
3687 | 1404 |
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1405 if (file.file_id >= 0) |
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1406 { |
57a59eae83cc
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|
1407 dump_octave_core (file, fname, format, save_as_floats); |
3687 | 1408 |
10315
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untabify src C++ source files
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|
1409 file.close (); |
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|
1410 } |
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|
1411 else |
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Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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|
1412 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
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|
1413 fname); |
10315
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1414 } |
3189 | 1415 else |
3687 | 1416 #endif /* HAVE_HDF5 */ |
10315
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1417 // don't insert any commands here! The open brace below must |
57a59eae83cc
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1418 // go with the else above! |
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1419 { |
5284 | 1420 #ifdef HAVE_ZLIB |
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1421 if (use_zlib) |
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1422 { |
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1423 gzofstream file (fname, mode); |
4791 | 1424 |
10315
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|
1425 if (file) |
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|
1426 { |
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|
1427 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1428 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1429 file.close (); |
57a59eae83cc
untabify src C++ source files
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|
1430 } |
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1431 else |
20727
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
parents:
20713
diff
changeset
|
1432 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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|
1433 fname); |
10315
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|
1434 } |
57a59eae83cc
untabify src C++ source files
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|
1435 else |
5284 | 1436 #endif |
10315
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John W. Eaton <jwe@octave.org>
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|
1437 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1438 std::ofstream file (fname, mode); |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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|
1439 |
10315
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|
1440 if (file) |
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|
1441 { |
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changeset
|
1442 dump_octave_core (file, fname, format, save_as_floats); |
5284 | 1443 |
10315
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untabify src C++ source files
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|
1444 file.close (); |
57a59eae83cc
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|
1445 } |
57a59eae83cc
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|
1446 else |
20727
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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20713
diff
changeset
|
1447 warning ("dump_octave_core: unable to open '%s' for writing...", |
a5949b3d2332
Preface warning() messages with name of function when possible.
Rik <rik@octave.org>
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20713
diff
changeset
|
1448 fname); |
10315
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|
1449 } |
57a59eae83cc
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|
1450 } |
1380 | 1451 } |
1452 } | |
1453 | |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1454 DEFUN (save, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
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|
1455 "-*- texinfo -*-\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1456 @deftypefn {Command} {} save file\n\ |
11547 | 1457 @deftypefnx {Command} {} save options file\n\ |
1458 @deftypefnx {Command} {} save options file @var{v1} @var{v2} @dots{}\n\ | |
1459 @deftypefnx {Command} {} save options file -struct @var{STRUCT} @var{f1} @var{f2} @dots{}\n\ | |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1460 @deftypefnx {Command} {} save @code{\"-\"} @var{v1} @var{v2} @dots{}\n\ |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1461 @deftypefnx {Built-in Function} {@var{s} =} save (@code{\"-\"} @var{v1} @var{v2} @dots{})\n\ |
7247 | 1462 Save the named variables @var{v1}, @var{v2}, @dots{}, in the file\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19864
diff
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|
1463 @var{file}.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
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diff
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|
1464 \n\ |
4f45eaf83908
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Rik <rik@octave.org>
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19864
diff
changeset
|
1465 The special filename @samp{-} may be used to return the\n\ |
19152
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19030
diff
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|
1466 content of the variables as a string. If no variable names are listed,\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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diff
changeset
|
1467 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
|
1468 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
|
1469 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
|
1470 @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:
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diff
changeset
|
1471 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
|
1472 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
|
1473 format override the format specified by @code{save_default_options}.\n\ |
3372 | 1474 \n\ |
5665 | 1475 If save is invoked using the functional form\n\ |
1476 \n\ | |
1477 @example\n\ | |
7247 | 1478 save (\"-option1\", @dots{}, \"file\", \"v1\", @dots{})\n\ |
5665 | 1479 @end example\n\ |
1480 \n\ | |
1481 @noindent\n\ | |
1482 then the @var{options}, @var{file}, and variable name arguments\n\ | |
7247 | 1483 (@var{v1}, @dots{}) must be specified as character strings.\n\ |
5665 | 1484 \n\ |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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19697
diff
changeset
|
1485 If called with a filename of @qcode{\"-\"}, write the output to stdout\n\ |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
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|
1486 if nargout is 0, otherwise return the output in a character string.\n\ |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
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|
1487 \n\ |
3372 | 1488 @table @code\n\ |
12661
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12642
diff
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|
1489 @item -append\n\ |
9f91ca870f91
load-save.cc: Document -append option
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12642
diff
changeset
|
1490 Append to the destination instead of overwriting.\n\ |
13929
9cae456085c2
Grammarcheck of documentation before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
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13026
diff
changeset
|
1491 \n\ |
3372 | 1492 @item -ascii\n\ |
9306
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diff
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|
1493 Save a single matrix in a text file without header or any other information.\n\ |
5197 | 1494 \n\ |
3372 | 1495 @item -binary\n\ |
1496 Save the data in Octave's binary data format.\n\ | |
1497 \n\ | |
1498 @item -float-binary\n\ | |
1499 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
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|
1500 precision. Only use this format if you know that all the\n\ |
de124edcebf6
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|
1501 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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|
1502 \n\ |
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|
1503 @item -hdf5\n\ |
10840 | 1504 Save the data in @sc{hdf5} format.\n\ |
9306
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|
1505 (HDF5 is a free, portable binary format developed by the National\n\ |
12160
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|
1506 Center for Supercomputing Applications at the University of Illinois.)\n\ |
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|
1507 This format is only available if Octave was built with a link to the\n\ |
b64b82721062
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|
1508 @sc{hdf5} libraries.\n\ |
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|
1509 \n\ |
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|
1510 @item -float-hdf5\n\ |
10840 | 1511 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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|
1512 Only use this format if you know that all the\n\ |
3372 | 1513 values to be saved can be represented in single precision.\n\ |
1514 \n\ | |
17170
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doc: Periodic grammarcheck of documentation.
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|
1515 @item -V7\n\ |
5269 | 1516 @itemx -v7\n\ |
1517 @itemx -7\n\ | |
1518 @itemx -mat7-binary\n\ | |
12160
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|
1519 Save the data in @sc{matlab}'s v7 binary data format.\n\ |
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|
1520 \n\ |
17170
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changeset
|
1521 @item -V6\n\ |
5284 | 1522 @itemx -v6\n\ |
5269 | 1523 @itemx -6\n\ |
1524 @itemx -mat\n\ | |
4884 | 1525 @itemx -mat-binary\n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9039
diff
changeset
|
1526 Save the data in @sc{matlab}'s v6 binary data format.\n\ |
3372 | 1527 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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changeset
|
1528 @item -V4\n\ |
5256 | 1529 @itemx -v4\n\ |
1530 @itemx -4\n\ | |
1531 @itemx -mat4-binary\n\ | |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
1532 Save the data in the binary format written by @sc{matlab} version 4.\n\ |
3688 | 1533 \n\ |
9306
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Update documentation for load and save
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|
1534 @item -text\n\ |
de124edcebf6
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|
1535 Save the data in Octave's text data format. (default).\n\ |
3687 | 1536 \n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
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|
1537 @item -zip\n\ |
5269 | 1538 @itemx -z\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
1539 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
|
1540 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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parents:
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changeset
|
1541 used to convert the files for backward compatibility.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
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parents:
11586
diff
changeset
|
1542 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>
parents:
11586
diff
changeset
|
1543 libraries.\n\ |
b64b82721062
Make documentation static by removing docstrings depending on #ifdef variables
Rik <octave@nomad.inbox5.com>
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11586
diff
changeset
|
1544 @end table\n\ |
604 | 1545 \n\ |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1546 The list of variables to save may use wildcard patterns containing\n\ |
3372 | 1547 the following special characters:\n\ |
14366
b76f0740940e
doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
parents:
14268
diff
changeset
|
1548 \n\ |
3372 | 1549 @table @code\n\ |
1550 @item ?\n\ | |
1551 Match any single character.\n\ | |
1552 \n\ | |
1553 @item *\n\ | |
1554 Match zero or more characters.\n\ | |
1555 \n\ | |
1556 @item [ @var{list} ]\n\ | |
1557 Match the list of characters specified by @var{list}. If the first\n\ | |
1558 character is @code{!} or @code{^}, match all characters except those\n\ | |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1559 specified by @var{list}. For example, the pattern @code{[a-zA-Z]} will\n\ |
12642
f96b9b9f141b
doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1560 match all lower and uppercase alphabetic characters.\n\ |
7718
62279ce5654c
save: fix continuation character in doc string
John W. Eaton <jwe@octave.org>
parents:
7635
diff
changeset
|
1561 \n\ |
9306
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1562 Wildcards may also be used in the field name specifications when using\n\ |
10840 | 1563 the @option{-struct} modifier (but not in the struct name itself).\n\ |
5197 | 1564 \n\ |
3372 | 1565 @end table\n\ |
1566 \n\ | |
9306
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Update documentation for load and save
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diff
changeset
|
1567 Except when using the @sc{matlab} binary data file format or the\n\ |
de124edcebf6
Update documentation for load and save
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9153
diff
changeset
|
1568 @samp{-ascii} format, saving global\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
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9153
diff
changeset
|
1569 variables also saves the global status of the variable. If the variable\n\ |
de124edcebf6
Update documentation for load and save
Rik <rdrider0-list@yahoo.com>
parents:
9153
diff
changeset
|
1570 is restored at a later time using @samp{load}, it will be restored as a\n\ |
3372 | 1571 global variable.\n\ |
1572 \n\ | |
1573 The command\n\ | |
1574 \n\ | |
1575 @example\n\ | |
1576 save -binary data a b*\n\ | |
1577 @end example\n\ | |
1578 \n\ | |
1579 @noindent\n\ | |
1580 saves the variable @samp{a} and all variables beginning with @samp{b} to\n\ | |
1581 the file @file{data} in Octave's binary format.\n\ | |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1582 @seealso{load, save_default_options, save_header_format_string, dlmread, csvread, fread}\n\ |
11547 | 1583 @end deftypefn") |
604 | 1584 { |
2086 | 1585 octave_value_list retval; |
604 | 1586 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
1587 string_vector argv = args.make_argv (); |
1755 | 1588 |
1358 | 1589 // Here is where we would get the default save format if it were |
1590 // stored in a user preference variable. | |
604 | 1591 |
3019 | 1592 bool save_as_floats = false; |
630 | 1593 |
20447
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20443
diff
changeset
|
1594 load_save_format format = LS_TEXT; |
604 | 1595 |
3185 | 1596 bool append = false; |
1597 | |
5269 | 1598 bool use_zlib = false; |
1599 | |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1600 // get default options |
16875
b04ae15530fc
Rename default_save_options() to save_default_options().
Rik <rik@octave.org>
parents:
16555
diff
changeset
|
1601 parse_save_options (Vsave_default_options, format, append, save_as_floats, |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1602 use_zlib); |
5351 | 1603 |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1604 // override from command line |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
changeset
|
1605 argv = parse_save_options (argv, format, append, save_as_floats, |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1606 use_zlib); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20172
diff
changeset
|
1607 int argc = argv.numel (); |
8034
f61bd8e0d682
fix default_save_options parsing and allow mixing options with other arguments.
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1608 int i = 0; |
5197 | 1609 |
2057 | 1610 if (i == argc) |
20801
a542a9bf177e
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
1611 print_usage (); |
604 | 1612 |
20447
c6224b4e7774
maint: Rename instances of LS_ASCII to LS_TEXT for clarity.
Rik <rik@octave.org>
parents:
20443
diff
changeset
|
1613 if (save_as_floats && format == LS_TEXT) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20801
diff
changeset
|
1614 error ("save: cannot specify both -text and -float-binary"); |
630 | 1615 |
1755 | 1616 if (argv[i] == "-") |
604 | 1617 { |
1755 | 1618 i++; |
863 | 1619 |
3687 | 1620 #ifdef HAVE_HDF5 |
1621 if (format == LS_HDF5) | |
4687 | 1622 error ("save: cannot write HDF5 format to stdout"); |
3687 | 1623 else |
1624 #endif /* HAVE_HDF5 */ | |
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untabify src C++ source files
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|
1625 // don't insert any commands here! the brace below must go |
57a59eae83cc
untabify src C++ source files
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|
1626 // with the "else" above! |
57a59eae83cc
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|
1627 { |
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|
1628 if (append) |
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changeset
|
1629 warning ("save: ignoring -append option for output to stdout"); |
6759 | 1630 |
19817
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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19697
diff
changeset
|
1631 if (nargout == 0) |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1632 save_vars (argv, i, argc, std::cout, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
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|
1633 else |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1634 { |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1635 std::ostringstream output_buf; |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1636 save_vars (argv, i, argc, output_buf, format, save_as_floats, true); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1637 retval = octave_value (output_buf.str()); |
bafcfc5b99af
if save file name is "-" and nargout is 0, write to stdout
John W. Eaton <jwe@octave.org>
parents:
19697
diff
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|
1638 } |
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|
1639 } |
604 | 1640 } |
1755 | 1641 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14268
diff
changeset
|
1642 // Guard against things like 'save a*', which are probably mistakes... |
1755 | 1643 |
1644 else if (i == argc - 1 && glob_pattern_p (argv[i])) | |
20801
a542a9bf177e
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20741
diff
changeset
|
1645 print_usage (); |
604 | 1646 else |
1647 { | |
3523 | 1648 std::string fname = file_ops::tilde_expand (argv[i]); |
1755 | 1649 |
1650 i++; | |
604 | 1651 |
6625 | 1652 // Matlab v7 files are always compressed |
1653 if (format == LS_MAT7_BINARY) | |
10315
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untabify src C++ source files
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|
1654 use_zlib = false; |
6625 | 1655 |
6759 | 1656 std::ios::openmode mode |
10315
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diff
changeset
|
1657 = append ? (std::ios::app | std::ios::ate) : std::ios::out; |
6759 | 1658 |
4791 | 1659 if (format == LS_BINARY |
1660 #ifdef HAVE_HDF5 | |
10315
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untabify src C++ source files
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changeset
|
1661 || format == LS_HDF5 |
4791 | 1662 #endif |
10315
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untabify src C++ source files
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|
1663 || format == LS_MAT_BINARY |
57a59eae83cc
untabify src C++ source files
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|
1664 || format == LS_MAT5_BINARY |
57a59eae83cc
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1665 || format == LS_MAT7_BINARY) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1666 mode |= std::ios::binary; |
3538 | 1667 |
3687 | 1668 #ifdef HAVE_HDF5 |
1669 if (format == LS_HDF5) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1670 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
1671 // FIXME: It should be possible to append to HDF5 files. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1672 if (append) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20801
diff
changeset
|
1673 error ("save: appending to HDF5 files is not implemented"); |
6759 | 1674 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19817
diff
changeset
|
1675 bool write_header_info |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19817
diff
changeset
|
1676 = ! (append && H5Fis_hdf5 (fname.c_str ()) > 0); |
3687 | 1677 |
10315
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untabify src C++ source files
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changeset
|
1678 hdf5_ofstream hdf5_file (fname.c_str (), mode); |
6760 | 1679 |
10315
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untabify src C++ source files
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|
1680 if (hdf5_file.file_id != -1) |
57a59eae83cc
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|
1681 { |
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|
1682 save_vars (argv, i, argc, hdf5_file, format, |
57a59eae83cc
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|
1683 save_as_floats, write_header_info); |
3687 | 1684 |
10315
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changeset
|
1685 hdf5_file.close (); |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1686 } |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1687 else |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1688 { |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1689 gripe_file_open ("save", fname); |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1690 return retval; |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17755
diff
changeset
|
1691 } |
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|
1692 } |
863 | 1693 else |
3687 | 1694 #endif /* HAVE_HDF5 */ |
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|
1695 // don't insert any statements here! The brace below must go |
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|
1696 // with the "else" above! |
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|
1697 { |
5269 | 1698 #ifdef HAVE_ZLIB |
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|
1699 if (use_zlib) |
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|
1700 { |
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|
1701 gzofstream file (fname.c_str (), mode); |
5269 | 1702 |
10315
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|
1703 if (file) |
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|
1704 { |
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|
1705 bool write_header_info = ! file.tellp (); |
6760 | 1706 |
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|
1707 save_vars (argv, i, argc, file, format, |
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|
1708 save_as_floats, write_header_info); |
5269 | 1709 |
10315
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|
1710 file.close (); |
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|
1711 } |
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1712 else |
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|
1713 { |
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|
1714 gripe_file_open ("save", fname); |
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|
1715 return retval; |
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|
1716 } |
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1717 } |
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|
1718 else |
5269 | 1719 #endif |
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1720 { |
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1721 std::ofstream file (fname.c_str (), mode); |
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|
1722 |
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1723 if (file) |
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1724 { |
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|
1725 bool write_header_info = ! file.tellp (); |
6760 | 1726 |
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|
1727 save_vars (argv, i, argc, file, format, |
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|
1728 save_as_floats, write_header_info); |
5269 | 1729 |
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|
1730 file.close (); |
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|
1731 } |
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1732 else |
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|
1733 { |
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changeset
|
1734 gripe_file_open ("save", fname); |
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1735 return retval; |
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1736 } |
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1737 } |
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1738 } |
604 | 1739 } |
1740 | |
1741 return retval; | |
1742 } | |
1743 | |
5794 | 1744 DEFUN (crash_dumps_octave_core, args, nargout, |
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1745 "-*- texinfo -*-\n\ |
10840 | 1746 @deftypefn {Built-in Function} {@var{val} =} crash_dumps_octave_core ()\n\ |
5794 | 1747 @deftypefnx {Built-in Function} {@var{old_val} =} crash_dumps_octave_core (@var{new_val})\n\ |
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1748 @deftypefnx {Built-in Function} {} crash_dumps_octave_core (@var{new_val}, \"local\")\n\ |
5794 | 1749 Query or set the internal variable that controls whether Octave tries\n\ |
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1750 to save all current variables to the file @file{octave-workspace} if it\n\ |
5794 | 1751 crashes or receives a hangup, terminate or similar signal.\n\ |
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1752 \n\ |
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1753 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1754 variable is changed locally for the function and any subroutines it calls.\n\ |
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1755 The original variable value is restored when exiting the function.\n\ |
5794 | 1756 @seealso{octave_core_file_limit, octave_core_file_name, octave_core_file_options}\n\ |
1757 @end deftypefn") | |
2194 | 1758 { |
5794 | 1759 return SET_INTERNAL_VARIABLE (crash_dumps_octave_core); |
2194 | 1760 } |
1761 | |
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1762 DEFUN (save_default_options, args, nargout, |
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1763 "-*- texinfo -*-\n\ |
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1764 @deftypefn {Built-in Function} {@var{val} =} save_default_options ()\n\ |
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1765 @deftypefnx {Built-in Function} {@var{old_val} =} save_default_options (@var{new_val})\n\ |
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1766 @deftypefnx {Built-in Function} {} save_default_options (@var{new_val}, \"local\")\n\ |
5794 | 1767 Query or set the internal variable that specifies the default options\n\ |
1768 for the @code{save} command, and defines the default format.\n\ | |
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1769 \n\ |
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1770 Typical values include @qcode{\"-ascii\"}, @qcode{\"-text -zip\"}.\n\ |
10840 | 1771 The default value is @option{-text}.\n\ |
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1772 \n\ |
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1773 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1774 variable is changed locally for the function and any subroutines it calls.\n\ |
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1775 The original variable value is restored when exiting the function.\n\ |
5794 | 1776 @seealso{save}\n\ |
1777 @end deftypefn") | |
4788 | 1778 { |
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1779 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (save_default_options); |
4788 | 1780 } |
1781 | |
5794 | 1782 DEFUN (octave_core_file_limit, args, nargout, |
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1783 "-*- texinfo -*-\n\ |
10840 | 1784 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_limit ()\n\ |
5794 | 1785 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_limit (@var{new_val})\n\ |
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1786 @deftypefnx {Built-in Function} {} octave_core_file_limit (@var{new_val}, \"local\")\n\ |
5794 | 1787 Query or set the internal variable that specifies the maximum amount\n\ |
1788 of memory (in kilobytes) of the top-level workspace that Octave will\n\ | |
1789 attempt to save when writing data to the crash dump file (the name of\n\ | |
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1790 the file is specified by @var{octave_core_file_name}).\n\ |
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1791 \n\ |
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1792 If @var{octave_core_file_options} flags specify a binary format,\n\ |
5794 | 1793 then @var{octave_core_file_limit} will be approximately the maximum\n\ |
1794 size of the file. If a text file format is used, then the file could\n\ | |
1795 be much larger than the limit. The default value is -1 (unlimited)\n\ | |
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1796 \n\ |
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1797 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1798 variable is changed locally for the function and any subroutines it calls.\n\ |
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1799 The original variable value is restored when exiting the function.\n\ |
5794 | 1800 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1801 @end deftypefn") | |
3709 | 1802 { |
5794 | 1803 return SET_INTERNAL_VARIABLE (octave_core_file_limit); |
3709 | 1804 } |
1805 | |
5794 | 1806 DEFUN (octave_core_file_name, args, nargout, |
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1807 "-*- texinfo -*-\n\ |
10840 | 1808 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_name ()\n\ |
5794 | 1809 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_name (@var{new_val})\n\ |
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1810 @deftypefnx {Built-in Function} {} octave_core_file_name (@var{new_val}, \"local\")\n\ |
5794 | 1811 Query or set the internal variable that specifies the name of the file\n\ |
1812 used for saving data from the top-level workspace if Octave aborts.\n\ | |
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1813 \n\ |
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1814 The default value is @qcode{\"octave-workspace\"}\n\ |
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1815 \n\ |
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1816 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1817 variable is changed locally for the function and any subroutines it calls.\n\ |
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1818 The original variable value is restored when exiting the function.\n\ |
5794 | 1819 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_options}\n\ |
1820 @end deftypefn") | |
2194 | 1821 { |
5794 | 1822 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_name); |
1823 } | |
4791 | 1824 |
5794 | 1825 DEFUN (octave_core_file_options, args, nargout, |
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1826 "-*- texinfo -*-\n\ |
10840 | 1827 @deftypefn {Built-in Function} {@var{val} =} octave_core_file_options ()\n\ |
5794 | 1828 @deftypefnx {Built-in Function} {@var{old_val} =} octave_core_file_options (@var{new_val})\n\ |
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1829 @deftypefnx {Built-in Function} {} octave_core_file_options (@var{new_val}, \"local\")\n\ |
5794 | 1830 Query or set the internal variable that specifies the options used for\n\ |
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1831 saving the workspace data if Octave aborts.\n\ |
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1832 \n\ |
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1833 The value of @code{octave_core_file_options} should follow the same format\n\ |
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1834 as the options for the @code{save} function. The default value is Octave's\n\ |
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1835 binary format.\n\ |
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1836 \n\ |
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1837 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1838 variable is changed locally for the function and any subroutines it calls.\n\ |
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1839 The original variable value is restored when exiting the function.\n\ |
5642 | 1840 @seealso{crash_dumps_octave_core, octave_core_file_name, octave_core_file_limit}\n\ |
5794 | 1841 @end deftypefn") |
1842 { | |
1843 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (octave_core_file_options); | |
1844 } | |
2194 | 1845 |
5794 | 1846 DEFUN (save_header_format_string, args, nargout, |
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1847 "-*- texinfo -*-\n\ |
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1848 @deftypefn {Built-in Function} {@var{val} =} save_header_format_string ()\n\ |
5794 | 1849 @deftypefnx {Built-in Function} {@var{old_val} =} save_header_format_string (@var{new_val})\n\ |
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1850 @deftypefnx {Built-in Function} {} save_header_format_string (@var{new_val}, \"local\")\n\ |
5794 | 1851 Query or set the internal variable that specifies the format\n\ |
1852 string used for the comment line written at the beginning of\n\ | |
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1853 text-format data files saved by Octave.\n\ |
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1854 \n\ |
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1855 The format string is passed to @code{strftime} and should begin with the\n\ |
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1856 character @samp{#} and contain no newline characters. If the value of\n\ |
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1857 @code{save_header_format_string} is the empty string, the header comment is\n\ |
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1858 omitted from text-format data files. The default value is\n\ |
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1859 @c Set example in small font to prevent overfull line\n\ |
3709 | 1860 \n\ |
7031 | 1861 @smallexample\n\ |
4060 | 1862 \"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@@HOST>\"\n\ |
7031 | 1863 @end smallexample\n\ |
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1864 \n\ |
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1865 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1866 variable is changed locally for the function and any subroutines it calls.\n\ |
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1867 The original variable value is restored when exiting the function.\n\ |
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1868 @seealso{strftime, save}\n\ |
5794 | 1869 @end deftypefn") |
1870 { | |
1871 return SET_INTERNAL_VARIABLE (save_header_format_string); | |
2194 | 1872 } |