octave-nkf: src/file-io.cc annotate

annotate src/file-io.cc @ 14436:12097d20a23e

doc: Improve docstring for fskipl. * file-io.cc (fskipl): Improve docstring for fskipl.

author	Rik <octave@nomad.inbox5.com>
date	Mon, 05 Mar 2012 13:35:39 -0800
parents	f312918f16d2
children	6a8c3cd326fd

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13958 diff changeset	3 Copyright (C) 1993-2012 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	10 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	19 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	23 // Originally written by John C. Campbell <jcc@bevo.che.wisc.edu>
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	24 //
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	25 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	26 // the following functions:
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	27 //
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	28 // popen
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	29 // pclose
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	30 // execute (now popen2.m)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	31 // sync_system (now merged with system)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	32 // async_system (now merged with system)
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	33
9322 66fdc831c580 fix jwe email address John W. Eaton <jwe@octave.org> parents: 9236 diff changeset	34 // Extensively revised by John W. Eaton <jwe@octave.org>,
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	35 // April 1996.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	36
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 218 diff changeset	37 #ifdef HAVE_CONFIG_H
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	38 #include <config.h>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	39 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	40
4797 19b8225bdaa2 [project @ 2004-02-23 22:10:31 by jwe] jwe parents: 4726 diff changeset	41 #include <cerrno>
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	42 #include <climits>
4797 19b8225bdaa2 [project @ 2004-02-23 22:10:31 by jwe] jwe parents: 4726 diff changeset	43 #include <cstdio>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1339 diff changeset	44
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3491 diff changeset	45 #include <iostream>
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	46 #include <locale>
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7097 diff changeset	47 #include <stack>
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	48 #include <stdexcept>
4726 14dc2267c343 [project @ 2004-01-23 20:04:35 by jwe] jwe parents: 4715 diff changeset	49 #include <vector>
1350 5f63d83dd694 [project @ 1995-09-05 07:37:59 by jwe] jwe parents: 1343 diff changeset	50
13958 cb15c5185b6a mkstemp: open file in binary mode (bug #33669) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	51 #include <fcntl.h>
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	52 #include <sys/types.h>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	53 #include <unistd.h>
1350 5f63d83dd694 [project @ 1995-09-05 07:37:59 by jwe] jwe parents: 1343 diff changeset	54
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	55 #ifdef HAVE_ZLIB_H
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	56 #include <zlib.h>
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	57 #endif
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	58
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	59 #include "error.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	60 #include "file-ops.h"
6159 645605133a6f [project @ 2006-11-14 02:55:05 by jwe] jwe parents: 6108 diff changeset	61 #include "file-stat.h"
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	62 #include "lo-ieee.h"
6159 645605133a6f [project @ 2006-11-14 02:55:05 by jwe] jwe parents: 6108 diff changeset	63 #include "oct-env.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8021 diff changeset	64 #include "oct-locbuf.h"
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2902 diff changeset	65
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	66 #include "defun.h"
6108 143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 6053 diff changeset	67 #include "file-io.h"
6159 645605133a6f [project @ 2006-11-14 02:55:05 by jwe] jwe parents: 6108 diff changeset	68 #include "load-path.h"
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	69 #include "oct-fstrm.h"
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	70 #include "oct-iostrm.h"
1377 44f5d41ff757 [project @ 1995-09-12 00:07:58 by jwe] jwe parents: 1363 diff changeset	71 #include "oct-map.h"
1750 fd0d12493223 [project @ 1996-01-13 09:31:07 by jwe] jwe parents: 1742 diff changeset	72 #include "oct-obj.h"
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	73 #include "oct-prcstrm.h"
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	74 #include "oct-stream.h"
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	75 #include "oct-strstrm.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	76 #include "pager.h"
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	77 #include "sysdep.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	78 #include "utils.h"
2370 a45c7d64b5e3 [project @ 1996-10-11 23:51:15 by jwe] jwe parents: 2341 diff changeset	79 #include "variables.h"
1583 5383d2d4cf9d [project @ 1995-10-27 08:51:20 by jwe] jwe parents: 1488 diff changeset	80
2902 c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	81 static octave_value stdin_file;
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	82 static octave_value stdout_file;
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	83 static octave_value stderr_file;
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	84
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	85 static octave_stream stdin_stream;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	86 static octave_stream stdout_stream;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	87 static octave_stream stderr_stream;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	88
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	89 void
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 66 diff changeset	90 initialize_file_io (void)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	91 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	92 stdin_stream = octave_istream::create (&std::cin, "stdin");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	93
3531 97cf542676e1 [project @ 2000-02-02 11:30:40 by jwe] jwe parents: 3523 diff changeset	94 // This uses octave_stdout (see pager.h), not std::cout so that Octave's
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	95 // standard output stream will pass through the pager.
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	96
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	97 stdout_stream = octave_ostream::create (&octave_stdout, "stdout");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	98
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	99 stderr_stream = octave_ostream::create (&std::cerr, "stderr");
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	100
2902 c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	101 stdin_file = octave_stream_list::insert (stdin_stream);
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	102 stdout_file = octave_stream_list::insert (stdout_stream);
c5b7a019b9ed [project @ 1997-04-30 03:46:53 by jwe] jwe parents: 2875 diff changeset	103 stderr_file = octave_stream_list::insert (stderr_stream);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	104 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	105
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	106 void
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	107 close_files (void)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	108 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	109 octave_stream_list::clear ();
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	110 }
636 fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe] jwe parents: 628 diff changeset	111
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	112 // List of files to delete when we exit or crash.
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	113 //
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5749 diff changeset	114 // FIXME -- this should really be static, but that causes
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	115 // problems on some systems.
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	116 std::stack <std::string> tmp_files;
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	117
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	118 void
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	119 mark_for_deletion (const std::string& file)
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	120 {
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	121 tmp_files.push (file);
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	122 }
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	123
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	124 void
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	125 cleanup_tmp_files (void)
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	126 {
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	127 while (! tmp_files.empty ())
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	128 {
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	129 std::string filename = tmp_files.top ();
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	130 tmp_files.pop ();
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	131 gnulib::unlink (filename.c_str ());
5102 b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	132 }
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	133 }
b04b30d30c66 [project @ 2004-12-28 01:59:05 by jwe] jwe parents: 5095 diff changeset	134
4036 1432e11733d1 [project @ 2002-08-12 18:38:40 by jwe] jwe parents: 4028 diff changeset	135 static std::ios::openmode
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	136 fopen_mode_to_ios_mode (const std::string& mode_arg)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	137 {
4036 1432e11733d1 [project @ 2002-08-12 18:38:40 by jwe] jwe parents: 4028 diff changeset	138 std::ios::openmode retval = std::ios::in;
896 4a2133b26fa7 [project @ 1994-11-09 16:04:06 by jwe] jwe parents: 870 diff changeset	139
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	140 if (! mode_arg.empty ())
368 5c987c27f3d7 [project @ 1994-02-16 08:33:09 by jwe] jwe parents: 367 diff changeset	141 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	142 // Could probably be faster, but does it really matter?
1766 e8e76be43e79 [project @ 1996-01-23 03:33:34 by jwe] jwe parents: 1755 diff changeset	143
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	144 std::string mode = mode_arg;
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	145
7078 405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	146 // 'W' and 'R' are accepted as 'w' and 'r', but we warn about
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	147 // them because Matlab says they perform "automatic flushing"
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	148 // but we don't know precisely what action that implies.
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	149
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	150 size_t pos = mode.find ('W');
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	151
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	152 if (pos != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	153 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	154 warning ("fopen: treating mode \"W\" as equivalent to \"w\"");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	155 mode[pos] = 'w';
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	156 }
7078 405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	157
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	158 pos = mode.find ('R');
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	159
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	160 if (pos != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	161 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	162 warning ("fopen: treating mode \"R\" as equivalent to \"r\"");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	163 mode[pos] = 'r';
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	164 }
7078 405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	165
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe] jwe parents: 7017 diff changeset	166 pos = mode.find ('z');
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	167
8021 85184151822e fix typo in NPOS change John W. Eaton <jwe@octave.org> parents: 8019 diff changeset	168 if (pos != std::string::npos)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	169 {
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	170 #if defined (HAVE_ZLIB)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	171 mode.erase (pos, 1);
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	172 #else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	173 error ("this version of Octave does not support gzipped files");
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	174 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	175 }
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	176
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	177 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	178 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	179 if (mode == "rt")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	180 retval = std::ios::in;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	181 else if (mode == "wt")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	182 retval = std::ios::out \| std::ios::trunc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	183 else if (mode == "at")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	184 retval = std::ios::out \| std::ios::app;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	185 else if (mode == "r+t" \|\| mode == "rt+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	186 retval = std::ios::in \| std::ios::out;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	187 else if (mode == "w+t" \|\| mode == "wt+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	188 retval = std::ios::in \| std::ios::out \| std::ios::trunc;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	189 else if (mode == "a+t" \|\| mode == "at+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	190 retval = std::ios::in \| std::ios::out \| std::ios::app;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	191 else if (mode == "rb" \|\| mode == "r")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	192 retval = std::ios::in \| std::ios::binary;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	193 else if (mode == "wb" \|\| mode == "w")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	194 retval = std::ios::out \| std::ios::trunc \| std::ios::binary;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	195 else if (mode == "ab" \|\| mode == "a")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	196 retval = std::ios::out \| std::ios::app \| std::ios::binary;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	197 else if (mode == "r+b" \|\| mode == "rb+" \|\| mode == "r+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	198 retval = std::ios::in \| std::ios::out \| std::ios::binary;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	199 else if (mode == "w+b" \|\| mode == "wb+" \|\| mode == "w+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	200 retval = (std::ios::in \| std::ios::out \| std::ios::trunc
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	201 \| std::ios::binary);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	202 else if (mode == "a+b" \|\| mode == "ab+" \|\| mode == "a+")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	203 retval = (std::ios::in \| std::ios::out \| std::ios::app
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	204 \| std::ios::binary);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	205 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	206 ::error ("invalid mode specified");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	207 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	208 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	209
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	210 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	211 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	212
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	213 DEFUN (fclose, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	214 "-- texinfo --\n\
12575 d0b799dafede Grammarcheck files for 3.4.1 release. Rik <octave@nomad.inbox5.com> parents: 12552 diff changeset	215 @deftypefn {Built-in Function} {} fclose (@var{fid})\n\
12552 1cfa3d9adf0a Document the "all" parameter to fclose. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12546 diff changeset	216 @deftypefnx {Built-in Function} {} fclose (\"all\")\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11570 diff changeset	217 Close the specified file. If successful, @code{fclose} returns 0,\n\
12575 d0b799dafede Grammarcheck files for 3.4.1 release. Rik <octave@nomad.inbox5.com> parents: 12552 diff changeset	218 otherwise, it returns -1. The second form of the @code{fclose} call closes\n\
12552 1cfa3d9adf0a Document the "all" parameter to fclose. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12546 diff changeset	219 all open files except @code{stdout}, @code{stderr}, and @code{stdin}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	220 @seealso{fopen, fseek, ftell}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	221 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	222 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	223 octave_value retval = -1;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	224
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	225 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	226
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	227 if (nargin == 1)
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	228 retval = octave_stream_list::remove (args(0), "fclose");
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	229 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	230 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	231
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	232 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	233 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	234
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	235 DEFUN (fclear, args, ,
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	236 "-- texinfo --\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	237 @deftypefn {Built-in Function} {} fclear (@var{fid})\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	238 Clear the stream state for the specified file.\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	239 @end deftypefn")
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	240 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	241 octave_value retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	242
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	243 int nargin = args.length ();
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	244
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	245 if (nargin == 1)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	246 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	247 int fid = octave_stream_list::get_file_number (args (0));
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	248
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	249 octave_stream os = octave_stream_list::lookup (fid, "fclear");
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	250
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	251 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	252 os.clearerr ();
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	253 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	254 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	255 print_usage ();
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	256
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	257 return retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	258 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5109 diff changeset	259
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	260 DEFUN (fflush, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	261 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	262 @deftypefn {Built-in Function} {} fflush (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	263 Flush output to @var{fid}. This is useful for ensuring that all\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	264 pending output makes it to the screen before some other event occurs.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	265 For example, it is always a good idea to flush the standard output\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	266 stream before calling @code{input}.\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	267 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	268 @code{fflush} returns 0 on success and an OS dependent error value\n\
10791 3140cb7a05a1 Add spellchecker scripts for Octave and run spellcheck of documentation Rik <octave@nomad.inbox5.com> parents: 10411 diff changeset	269 (@minus{}1 on Unix) on error.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	270 @seealso{fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	271 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	272 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	273 octave_value retval = -1;
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	274
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	275 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	276
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	277 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	278 {
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5749 diff changeset	279 // FIXME -- any way to avoid special case for stdout?
2609 12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe] jwe parents: 2599 diff changeset	280
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe] jwe parents: 2599 diff changeset	281 int fid = octave_stream_list::get_file_number (args (0));
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe] jwe parents: 2599 diff changeset	282
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe] jwe parents: 2599 diff changeset	283 if (fid == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	284 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	285 flush_octave_stdout ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	286
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	287 retval = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	288 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	289 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	290 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	291 octave_stream os = octave_stream_list::lookup (fid, "fflush");
2609 12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe] jwe parents: 2599 diff changeset	292
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	293 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	294 retval = os.flush ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	295 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	296 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	297 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	298 print_usage ();
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	299
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	300 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	301 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	302
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	303 DEFUN (fgetl, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	304 "-- texinfo --\n\
14435 f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	305 @deftypefn {Built-in Function} {@var{str} =} fgetl (@var{fid})\n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	306 @deftypefnx {Built-in Function} {@var{str} =} fgetl (@var{fid}, @var{len})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	307 Read characters from a file, stopping after a newline, or EOF,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	308 or @var{len} characters have been read. The characters read, excluding\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	309 the possible trailing newline, are returned as a string.\n\
1339 e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	310 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	311 If @var{len} is omitted, @code{fgetl} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	312 character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	313 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	314 If there are no more characters to read, @code{fgetl} returns @minus{}1.\n\
14435 f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	315 \n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	316 To read a line and return the terminating newline see @code{fgets}.\n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	317 @seealso{fgets, fputs, fopen, fread, fscanf}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	318 @end deftypefn")
1339 e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	319 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	320 static std::string who = "fgetl";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	321
2599 9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	322 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	323
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	324 retval(1) = 0;
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	325 retval(0) = -1;
1339 e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	326
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	327 int nargin = args.length ();
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	328
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	329 if (nargin == 1 \|\| nargin == 2)
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	330 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	331 octave_stream os = octave_stream_list::lookup (args(0), who);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	332
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	333 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	334 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	335 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	336
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	337 bool err = false;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	338
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	339 std::string tmp = os.getl (len_arg, err, who);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	340
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	341 if (! (error_state \|\| err))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	342 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	343 retval(1) = tmp.length ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	344 retval(0) = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	345 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	346 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	347 }
1339 e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	348 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	349 print_usage ();
1339 e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	350
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	351 return retval;
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	352 }
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe] jwe parents: 1338 diff changeset	353
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	354 DEFUN (fgets, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	355 "-- texinfo --\n\
14435 f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	356 @deftypefn {Built-in Function} {@var{str} =} fgets (@var{fid})\n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	357 @deftypefnx {Built-in Function} {@var{str} =} fgets (@var{fid}, @var{len})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	358 Read characters from a file, stopping after a newline, or EOF,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	359 or @var{len} characters have been read. The characters read, including\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	360 the possible trailing newline, are returned as a string.\n\
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	361 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	362 If @var{len} is omitted, @code{fgets} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	363 character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	364 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	365 If there are no more characters to read, @code{fgets} returns @minus{}1.\n\
14435 f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	366 \n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	367 To read a line and discard the terminating newline see @code{fgetl}.\n\
f312918f16d2 doc: Add cross-references between fgets and fgetl in docstrings. Rik <octave@nomad.inbox5.com> parents: 14429 diff changeset	368 @seealso{fgetl, fputs, fopen, fread, fscanf}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	369 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	370 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	371 static std::string who = "fgets";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	372
2599 9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	373 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	374
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	375 retval(1) = 0.0;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	376 retval(0) = -1.0;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	377
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	378 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	379
1338 3d235e3c13c0 [project @ 1995-08-25 03:10:55 by jwe] jwe parents: 1315 diff changeset	380 if (nargin == 1 \|\| nargin == 2)
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	381 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	382 octave_stream os = octave_stream_list::lookup (args(0), who);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	383
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	384 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	385 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	386 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	387
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	388 bool err = false;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	389
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	390 std::string tmp = os.gets (len_arg, err, who);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	391
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	392 if (! (error_state \|\| err))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	393 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	394 retval(1) = tmp.length ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	395 retval(0) = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	396 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	397 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	398 }
1338 3d235e3c13c0 [project @ 1995-08-25 03:10:55 by jwe] jwe parents: 1315 diff changeset	399 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	400 print_usage ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	401
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	402 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	403 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	404
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	405 DEFUN (fskipl, args, ,
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	406 "-- texinfo --\n\
14436 12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	407 @deftypefn {Built-in Function} {@var{nlines} =} fskipl (@var{fid})\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	408 @deftypefnx {Built-in Function} {@var{nlines} =} fskipl (@var{fid}, @var{count})\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	409 @deftypefnx {Built-in Function} {@var{nlines} =} fskipl (@var{fid}, Inf)\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	410 Read and skip @var{count} lines from the file descriptor @var{fid}.\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	411 @code{fskipl} discards characters until an end-of-line is encountered exactly\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	412 @var{count}-times, or until the end-of-file marker is found.\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	413 \n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	414 If @var{count} is omitted, it defaults to 1. @var{count} may also be\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	415 @code{Inf}, in which case lines are skipped until the end of the file.\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	416 This form is suitable for counting the number of lines in a file.\n\
12097d20a23e doc: Improve docstring for fskipl. Rik <octave@nomad.inbox5.com> parents: 14435 diff changeset	417 \n\
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	418 Returns the number of lines skipped (end-of-line sequences encountered).\n\
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	419 @seealso{fgetl, fgets}\n\
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	420 @end deftypefn")
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	421 {
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	422 static std::string who = "fskipl";
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	423
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	424 octave_value retval;
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	425
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	426 int nargin = args.length ();
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	427
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	428 if (nargin == 1 \|\| nargin == 2)
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	429 {
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	430 octave_stream os = octave_stream_list::lookup (args(0), who);
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	431
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	432 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	433 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	434 octave_value count_arg = (nargin == 2) ? args(1) : octave_value ();
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	435
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	436 bool err = false;
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	437
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	438 long tmp = os.skipl (count_arg, err, who);
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	439
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	440 if (! (error_state \|\| err))
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	441 retval = tmp;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	442 }
9701 531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	443 }
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	444 else
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	445 print_usage ();
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	446
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	447 return retval;
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	448 }
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	449
531280b07625 implement fskipl Jaroslav Hajek <highegg@gmail.com> parents: 9322 diff changeset	450
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	451 static octave_stream
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	452 do_stream_open (const std::string& name, const std::string& mode,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	453 const std::string& arch, int& fid)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	454 {
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	455 octave_stream retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	456
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	457 fid = -1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	458
4036 1432e11733d1 [project @ 2002-08-12 18:38:40 by jwe] jwe parents: 4028 diff changeset	459 std::ios::openmode md = fopen_mode_to_ios_mode (mode);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	460
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	461 if (! error_state)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	462 {
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	463 oct_mach_info::float_format flt_fmt =
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	464 oct_mach_info::string_to_float_format (arch);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	465
4798 da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe] jwe parents: 4797 diff changeset	466 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	467 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	468 std::string fname = file_ops::tilde_expand (name);
6159 645605133a6f [project @ 2006-11-14 02:55:05 by jwe] jwe parents: 6108 diff changeset	469
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	470 file_stat fs (fname);
7730 b68e44c90afe file-io.cc (do_stream_open): return -1 for directories John W. Eaton <jwe@octave.org> parents: 7708 diff changeset	471
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	472 if (! (md & std::ios::out
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	473 \|\| octave_env::absolute_pathname (fname)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	474 \|\| octave_env::rooted_relative_pathname (fname)))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	475 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	476 if (! fs.exists ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	477 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	478 std::string tmp
10250 2d47356a7a1a use gnulib getcwd module John W. Eaton <jwe@octave.org> parents: 10197 diff changeset	479 = octave_env::make_absolute (load_path::find_file (fname));
6159 645605133a6f [project @ 2006-11-14 02:55:05 by jwe] jwe parents: 6108 diff changeset	480
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	481 if (! tmp.empty ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	482 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	483 warning_with_id ("Octave:fopen-file-in-path",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	484 "fopen: file found in load path");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	485 fname = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	486 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	487 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	488 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	489
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	490 if (! fs.is_dir ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	491 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	492 std::string tmode = mode;
6405 b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe] jwe parents: 6345 diff changeset	493
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	494 // Use binary mode if 't' is not specified, but don't add
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	495 // 'b' if it is already present.
6405 b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe] jwe parents: 6345 diff changeset	496
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	497 size_t bpos = tmode.find ('b');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	498 size_t tpos = tmode.find ('t');
7730 b68e44c90afe file-io.cc (do_stream_open): return -1 for directories John W. Eaton <jwe@octave.org> parents: 7708 diff changeset	499
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	500 if (bpos == std::string::npos && tpos == std::string::npos)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	501 tmode += 'b';
6405 b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe] jwe parents: 6345 diff changeset	502
6905 aee959a21c4b [project @ 2007-09-17 16:00:30 by jwe] jwe parents: 6838 diff changeset	503 #if defined (HAVE_ZLIB)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	504 size_t pos = tmode.find ('z');
4798 da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe] jwe parents: 4797 diff changeset	505
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	506 if (pos != std::string::npos)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	507 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	508 tmode.erase (pos, 1);
7730 b68e44c90afe file-io.cc (do_stream_open): return -1 for directories John W. Eaton <jwe@octave.org> parents: 7708 diff changeset	509
12941 9a498efac5f1 use gnulib::fseek and gnulib::fopen John W. Eaton <jwe@octave.org> parents: 12918 diff changeset	510 FILE *fptr = gnulib::fopen (fname.c_str (), tmode.c_str ());
11004 594adb99a25e cache file id in octave_tstdiostream class John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	511
11081 f9284142a060 avoid another use of ::fileno John W. Eaton <jwe@octave.org> parents: 11004 diff changeset	512 int fd = fileno (fptr);
11004 594adb99a25e cache file id in octave_tstdiostream class John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	513
594adb99a25e cache file id in octave_tstdiostream class John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	514 gzFile gzf = ::gzdopen (fd, tmode.c_str ());
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	515
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	516 if (fptr)
11004 594adb99a25e cache file id in octave_tstdiostream class John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	517 retval = octave_zstdiostream::create (fname, gzf, fd,
594adb99a25e cache file id in octave_tstdiostream class John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	518 md, flt_fmt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	519 else
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	520 retval.error (gnulib::strerror (errno));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	521 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	522 else
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	523 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	524 {
12941 9a498efac5f1 use gnulib::fseek and gnulib::fopen John W. Eaton <jwe@octave.org> parents: 12918 diff changeset	525 FILE *fptr = gnulib::fopen (fname.c_str (), tmode.c_str ());
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	526
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	527 retval = octave_stdiostream::create (fname, fptr, md, flt_fmt);
5370 f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe] jwe parents: 5353 diff changeset	528
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	529 if (! fptr)
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	530 retval.error (gnulib::strerror (errno));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	531 }
7730 b68e44c90afe file-io.cc (do_stream_open): return -1 for directories John W. Eaton <jwe@octave.org> parents: 7708 diff changeset	532
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	533 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	534 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	535 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	536
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	537 return retval;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	538 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	539
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	540 static octave_stream
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	541 do_stream_open (const octave_value& tc_name, const octave_value& tc_mode,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	542 const octave_value& tc_arch, const char *fcn, int& fid)
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	543 {
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	544 octave_stream retval;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	545
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	546 fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	547
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	548 std::string name = tc_name.string_value ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	549
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	550 if (! error_state)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	551 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	552 std::string mode = tc_mode.string_value ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	553
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	554 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	555 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	556 std::string arch = tc_arch.string_value ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	557
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	558 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	559 retval = do_stream_open (name, mode, arch, fid);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	560 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	561 ::error ("%s: architecture type must be a string", fcn);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	562 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	563 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	564 ::error ("%s: file mode must be a string", fcn);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	565 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	566 else
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	567 ::error ("%s: file name must be a string", fcn);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	568
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	569 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	570 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	571
11146 69b2f237060e file-io.cc (Ffopen): argument parsing tweak John W. Eaton <jwe@octave.org> parents: 11081 diff changeset	572 DEFUN (fopen, args, nargout,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	573 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	574 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} fopen (@var{name}, @var{mode}, @var{arch})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	575 @deftypefnx {Built-in Function} {@var{fid_list} =} fopen (\"all\")\n\
5353 df230b7df93c [project @ 2005-05-18 02:18:24 by jwe] jwe parents: 5333 diff changeset	576 @deftypefnx {Built-in Function} {[@var{file}, @var{mode}, @var{arch}] =} fopen (@var{fid})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	577 The first form of the @code{fopen} function opens the named file with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	578 the specified mode (read-write, read-only, etc.) and architecture\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	579 interpretation (IEEE big endian, IEEE little endian, etc.), and returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	580 an integer value that may be used to refer to the file later. If an\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	581 error occurs, @var{fid} is set to @minus{}1 and @var{msg} contains the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	582 corresponding system error message. The @var{mode} is a one or two\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	583 character string that specifies whether the file is to be opened for\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	584 reading, writing, or both.\n\
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	585 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	586 The second form of the @code{fopen} function returns a vector of file ids\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	587 corresponding to all the currently open files, excluding the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	588 @code{stdin}, @code{stdout}, and @code{stderr} streams.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	589 \n\
5353 df230b7df93c [project @ 2005-05-18 02:18:24 by jwe] jwe parents: 5333 diff changeset	590 The third form of the @code{fopen} function returns information about the\n\
df230b7df93c [project @ 2005-05-18 02:18:24 by jwe] jwe parents: 5333 diff changeset	591 open file given its file id.\n\
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	592 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	593 For example,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	594 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	595 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	596 myfile = fopen (\"splat.dat\", \"r\", \"ieee-le\");\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	597 @end example\n\
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	598 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	599 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	600 opens the file @file{splat.dat} for reading. If necessary, binary\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	601 numeric values will be read assuming they are stored in IEEE format with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	602 the least significant bit first, and then converted to the native\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	603 representation.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	604 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	605 Opening a file that is already open simply opens it again and returns a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	606 separate file id. It is not an error to open a file several times,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	607 though writing to the same file through several different file ids may\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	608 produce unexpected results.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	609 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	610 The possible values @samp{mode} may have are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	611 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	612 @table @asis\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	613 @item @samp{r}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	614 Open a file for reading.\n\
3263 7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe] jwe parents: 3246 diff changeset	615 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	616 @item @samp{w}\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6905 diff changeset	617 Open a file for writing. The previous contents are discarded.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	618 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	619 @item @samp{a}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	620 Open or create a file for writing at the end of the file.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	621 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	622 @item @samp{r+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	623 Open an existing file for reading and writing.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	624 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	625 @item @samp{w+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	626 Open a file for reading or writing. The previous contents are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	627 discarded.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	628 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	629 @item @samp{a+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	630 Open or create a file for reading or writing at the end of the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	631 file.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	632 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	633 \n\
4865 2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	634 Append a \"t\" to the mode string to open the file in text mode or a\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	635 \"b\" to open in binary mode. On Windows and Macintosh systems, text\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	636 mode reading and writing automatically converts linefeeds to the\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	637 appropriate line end character for the system (carriage-return linefeed\n\
6665 cfb849d6f314 [project @ 2007-05-28 05:45:32 by jwe] jwe parents: 6483 diff changeset	638 on Windows, carriage-return on Macintosh). The default if no mode is\n\
4865 2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	639 specified is binary mode.\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe] jwe parents: 4799 diff changeset	640 \n\
5325 ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	641 Additionally, you may append a \"z\" to the mode string to open a\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	642 gzipped file for reading or writing. For this to be successful, you\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	643 must also open the file in binary mode.\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe] jwe parents: 5320 diff changeset	644 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	645 The parameter @var{arch} is a string specifying the default data format\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	646 for the file. Valid values for @var{arch} are:\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	647 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	648 @table @asis\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	649 @samp{native}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	650 The format of the current machine (this is the default).\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	651 \n\
4082 b8bae1ba4651 [project @ 2002-10-01 18:10:05 by jwe] jwe parents: 4070 diff changeset	652 @samp{ieee-be}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	653 IEEE big endian format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	654 \n\
4082 b8bae1ba4651 [project @ 2002-10-01 18:10:05 by jwe] jwe parents: 4070 diff changeset	655 @samp{ieee-le}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	656 IEEE little endian format.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	657 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	658 @samp{vaxd}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	659 VAX D floating format.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	660 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	661 @samp{vaxg}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	662 VAX G floating format.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	663 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	664 @samp{cray}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	665 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	666 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	667 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	668 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	669 however, conversions are currently only supported for @samp{native}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	670 @samp{ieee-be}, and @samp{ieee-le} formats.\n\
7781 02a7fe6907d2 file-io.cc: added documentation bill@denney.ws parents: 7768 diff changeset	671 @seealso{fclose, fgets, fputs, fread, fseek, ferror, fprintf, fscanf, ftell, fwrite}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	672 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	673 {
2599 9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	674 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	675
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe] jwe parents: 2458 diff changeset	676 retval(0) = -1.0;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	677
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	678 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	679
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	680 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	681 {
12896 a19b50f6697f Correctly allow single string input form of fopen() (Bug #33535). Rik <octave@nomad.inbox5.com> parents: 12775 diff changeset	682 if (args(0).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	683 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	684 // If there is only one argument and it is a string but it
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	685 // is not the string "all", we assume it is a file to open
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	686 // with MODE = "r". To open a file called "all", you have
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	687 // to supply more than one argument.
3263 7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe] jwe parents: 3246 diff changeset	688
12896 a19b50f6697f Correctly allow single string input form of fopen() (Bug #33535). Rik <octave@nomad.inbox5.com> parents: 12775 diff changeset	689 if (nargout < 2 && args(0).string_value () == "all")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	690 return octave_stream_list::open_file_numbers ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	691 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	692 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	693 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	694 string_vector tmp = octave_stream_list::get_info (args(0));
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	695
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	696 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	697 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	698 retval(2) = tmp(2);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	699 retval(1) = tmp(1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	700 retval(0) = tmp(0);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	701 }
3263 7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe] jwe parents: 3246 diff changeset	702
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	703 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	704 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	705 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	706
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	707 if (nargin > 0 && nargin < 4)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	708 {
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	709 octave_value mode = (nargin == 2 \|\| nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	710 ? args(1) : octave_value ("r");
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	711
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	712 octave_value arch = (nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	713 ? args(2) : octave_value ("native");
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	714
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	715 int fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	716
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	717 octave_stream os = do_stream_open (args(0), mode, arch, "fopen", fid);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	718
5370 f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe] jwe parents: 5353 diff changeset	719 if (os && ! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	720 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	721 retval(1) = "";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	722 retval(0) = octave_stream_list::insert (os);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	723 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	724 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	725 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	726 int error_number = 0;
5370 f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe] jwe parents: 5353 diff changeset	727
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	728 retval(1) = os.error (false, error_number);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	729 retval(0) = -1.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	730 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	731 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	732 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	733 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	734
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	735 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	736 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	737
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	738 DEFUN (freport, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	739 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	740 @deftypefn {Built-in Function} {} freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	741 Print a list of which files have been opened, and whether they are open\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	742 for reading, writing, or both. For example:\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	743 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	744 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	745 @group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	746 freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	747 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	748 @print{} number mode name\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12575 diff changeset	749 @print{}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	750 @print{} 0 r stdin\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	751 @print{} 1 w stdout\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	752 @print{} 2 w stderr\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	753 @print{} 3 r myfile\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	754 @end group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	755 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	756 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	757 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	758 octave_value_list retval;
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	759
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	760 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	761
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	762 if (nargin > 0)
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	763 warning ("freport: ignoring extra arguments");
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	764
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	765 octave_stdout << octave_stream_list::list_open_files ();
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	766
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	767 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	768 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	769
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	770 DEFUN (frewind, args, nargout,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	771 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	772 @deftypefn {Built-in Function} {} frewind (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	773 Move the file pointer to the beginning of the file @var{fid}, returning\n\
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	774 0 for success, and -1 if an error was encountered. It is equivalent to\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	775 @code{fseek (@var{fid}, 0, SEEK_SET)}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	776 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	777 {
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	778 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	779
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	780 int result = -1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	781
506 0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	782 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	783
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	784 if (nargin == 1)
1086 75fc98220389 [project @ 1995-01-31 04:17:15 by jwe] jwe parents: 1049 diff changeset	785 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	786 octave_stream os = octave_stream_list::lookup (args(0), "frewind");
636 fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe] jwe parents: 628 diff changeset	787
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	788 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	789 result = os.rewind ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	790 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	791 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	792 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	793
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	794 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	795 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	796
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	797 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	798 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	799
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	800 DEFUN (fseek, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	801 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	802 @deftypefn {Built-in Function} {} fseek (@var{fid}, @var{offset}, @var{origin})\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	803 Set the file pointer to any location within the file @var{fid}.\n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	804 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	805 The pointer is positioned @var{offset} characters from the @var{origin},\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	806 which may be one of the predefined variables @w{@code{SEEK_CUR}} (current\n\
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	807 position), @w{@code{SEEK_SET}} (beginning), or @w{@code{SEEK_END}} (end of\n\
9039 51dc9691f23f Cleanup documentation files errors.texi, debug.texi, io.texi Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	808 file) or strings \"cof\", \"bof\" or \"eof\". If @var{origin} is omitted,\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	809 @w{@code{SEEK_SET}} is assumed. The offset must be zero, or a value returned\n\
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	810 by @code{ftell} (in which case @var{origin} must be @w{@code{SEEK_SET}}).\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	811 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	812 Return 0 on success and -1 on error.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	813 @seealso{ftell, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	814 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	815 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	816 octave_value retval = -1;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	817
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	818 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	819
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	820 if (nargin == 2 \|\| nargin == 3)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	821 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	822 octave_stream os = octave_stream_list::lookup (args(0), "fseek");
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	823
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	824 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	825 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	826 octave_value origin_arg = (nargin == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	827 ? args(2) : octave_value (-1.0);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	828
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	829 retval = os.seek (args(1), origin_arg);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	830 }
368 5c987c27f3d7 [project @ 1994-02-16 08:33:09 by jwe] jwe parents: 367 diff changeset	831 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	832 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	833 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	834
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	835 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	836 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	837
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	838 DEFUN (ftell, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	839 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	840 @deftypefn {Built-in Function} {} ftell (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	841 Return the position of the file pointer as the number of characters\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	842 from the beginning of the file @var{fid}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	843 @seealso{fseek, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	844 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	845 {
4797 19b8225bdaa2 [project @ 2004-02-23 22:10:31 by jwe] jwe parents: 4726 diff changeset	846 octave_value retval = -1;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	847
506 0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	848 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	849
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	850 if (nargin == 1)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	851 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	852 octave_stream os = octave_stream_list::lookup (args(0), "ftell");
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	853
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	854 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	855 retval = os.tell ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	856 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	857 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	858 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	859
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	860 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	861 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	862
3737 b736f8b8f0a1 [project @ 2000-11-16 18:01:08 by jwe] jwe parents: 3569 diff changeset	863 DEFUN (fprintf, args, nargout,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	864 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	865 @deftypefn {Built-in Function} {} fprintf (@var{fid}, @var{template}, @dots{})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	866 This function is just like @code{printf}, except that the output is\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	867 written to the stream @var{fid} instead of @code{stdout}.\n\
8606 0611b48a2b61 file-io.cc (Ffprintf): doc fix John W. Eaton <jwe@octave.org> parents: 8377 diff changeset	868 If @var{fid} is omitted, the output is written to @code{stdout}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	869 @seealso{printf, sprintf, fread, fscanf, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	870 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	871 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	872 static std::string who = "fprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	873
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	874 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	875
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	876 int result = -1;
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	877
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	878 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	879
2875 2e45e7a3d45e [project @ 1997-04-24 08:56:20 by jwe] jwe parents: 2873 diff changeset	880 if (nargin > 1 \|\| (nargin > 0 && args(0).is_string ()))
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	881 {
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	882 octave_stream os;
2873 c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe] jwe parents: 2847 diff changeset	883 int fmt_n = 0;
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe] jwe parents: 2847 diff changeset	884
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	885 if (args(0).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	886 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	887 os = octave_stream_list::lookup (1, who);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	888 }
2873 c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe] jwe parents: 2847 diff changeset	889 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	890 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	891 fmt_n = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	892 os = octave_stream_list::lookup (args(0), who);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	893 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	894
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	895 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	896 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	897 if (args(fmt_n).is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	898 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	899 octave_value_list tmp_args;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	900
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	901 if (nargin > 1 + fmt_n)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	902 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	903 tmp_args.resize (nargin-fmt_n-1, octave_value ());
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	904
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	905 for (int i = fmt_n + 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	906 tmp_args(i-fmt_n-1) = args(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	907 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	908
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	909 result = os.printf (args(fmt_n), tmp_args, who);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	910 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	911 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	912 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	913 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	914 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	915 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	916 print_usage ();
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	917
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	918 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	919 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	920
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	921 return retval;
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	922 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	923
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	924 DEFUN (printf, args, nargout,
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	925 "-- texinfo --\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	926 @deftypefn {Built-in Function} {} printf (@var{template}, @dots{})\n\
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	927 Print optional arguments under the control of the template string\n\
5653 ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	928 @var{template} to the stream @code{stdout} and return the number of\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	929 characters printed.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	930 @ifclear OCTAVE_MANUAL\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	931 \n\
5653 ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	932 See the Formatted Output section of the GNU Octave manual for a\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	933 complete description of the syntax of the template string.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	934 @end ifclear\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	935 @seealso{fprintf, sprintf, scanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	936 @end deftypefn")
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	937 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	938 static std::string who = "printf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	939
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	940 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	941
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	942 int result = -1;
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	943
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	944 int nargin = args.length ();
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	945
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	946 if (nargin > 0)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	947 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	948 if (args(0).is_string ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	949 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	950 octave_value_list tmp_args;
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	951
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	952 if (nargin > 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	953 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	954 tmp_args.resize (nargin-1, octave_value ());
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	955
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	956 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	957 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	958 }
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	959
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	960 result = stdout_stream.printf (args(0), tmp_args, who);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	961 }
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	962 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	963 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	964 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	965 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	966 print_usage ();
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	967
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	968 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	969 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	970
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	971 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	972 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	973
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	974 DEFUN (fputs, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	975 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	976 @deftypefn {Built-in Function} {} fputs (@var{fid}, @var{string})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	977 Write a string to a file with no formatting.\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	978 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	979 Return a non-negative number on success and EOF on error.\n\
7781 02a7fe6907d2 file-io.cc: added documentation bill@denney.ws parents: 7768 diff changeset	980 @seealso{scanf, sscanf, fread, fprintf, fgets, fscanf}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	981 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	982 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	983 static std::string who = "fputs";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	984
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	985 octave_value retval = -1;
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	986
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	987 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	988
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	989 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	990 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	991 octave_stream os = octave_stream_list::lookup (args(0), who);
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	992
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	993 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	994 retval = os.puts (args(1), who);
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	995 }
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	996 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	997 print_usage ();
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	998
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	999 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1000 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1001
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1002 DEFUN (puts, args, ,
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1003 "-- texinfo --\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1004 @deftypefn {Built-in Function} {} puts (@var{string})\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1005 Write a string to the standard output with no formatting.\n\
5095 c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	1006 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe] jwe parents: 5041 diff changeset	1007 Return a non-negative number on success and EOF on error.\n\
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1008 @end deftypefn")
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1009 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1010 static std::string who = "puts";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1011
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1012 octave_value retval = -1;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1013
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1014 if (args.length () == 1)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1015 retval = stdout_stream.puts (args(0), who);
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1016 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1017 print_usage ();
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1018
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1019 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1020 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1021
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1022 DEFUN (sprintf, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1023 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1024 @deftypefn {Built-in Function} {} sprintf (@var{template}, @dots{})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1025 This is like @code{printf}, except that the output is returned as a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1026 string. Unlike the C library function, which requires you to provide a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1027 suitably sized string as an argument, Octave's @code{sprintf} function\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1028 returns the string, automatically sized to hold all of the items\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1029 converted.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1030 @seealso{printf, fprintf, sscanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1031 @end deftypefn")
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1032 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1033 static std::string who = "sprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1034
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1035 octave_value_list retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1036
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1037 int nargin = args.length ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1038
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1039 if (nargin > 0)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1040 {
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1041 retval(2) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1042 retval(1) = "unknown error";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1043 retval(0) = "";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1044
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	1045 octave_ostrstream *ostr = new octave_ostrstream ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1046
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	1047 octave_stream os (ostr);
628 aecbe369233b [project @ 1994-08-19 13:27:51 by jwe] jwe parents: 610 diff changeset	1048
3340 585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe] jwe parents: 3321 diff changeset	1049 if (os.is_valid ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1050 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1051 octave_value fmt_arg = args(0);
6007 52b520087c50 [project @ 2006-09-27 15:05:53 by jwe] jwe parents: 5906 diff changeset	1052
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1053 if (fmt_arg.is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1054 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1055 octave_value_list tmp_args;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1056
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1057 if (nargin > 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1058 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1059 tmp_args.resize (nargin-1, octave_value ());
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1060
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1061 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1062 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1063 }
628 aecbe369233b [project @ 1994-08-19 13:27:51 by jwe] jwe parents: 610 diff changeset	1064
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1065 retval(2) = os.printf (fmt_arg, tmp_args, who);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1066 retval(1) = os.error ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1067 retval(0) = octave_value (ostr->str (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1068 fmt_arg.is_sq_string () ? '\'' : '"');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1069 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1070 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1071 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1072 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1073 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1074 ::error ("%s: unable to create output buffer", who.c_str ());
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1075 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1076 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1077 print_usage ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1078
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1079 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1080 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1081
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1082 DEFUN (fscanf, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1083 "-- texinfo --\n\
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1084 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size})\n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14365 diff changeset	1085 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}] =} fscanf (@var{fid}, @var{template}, @var{locale})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1086 In the first form, read from @var{fid} according to @var{template},\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1087 returning the result in the matrix @var{val}.\n\
2122 91d802f77456 [project @ 1996-05-12 07:08:38 by jwe] jwe parents: 2116 diff changeset	1088 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1089 The optional argument @var{size} specifies the amount of data to read\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1090 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1091 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1092 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1093 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1094 Read as much as possible, returning a column vector.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1095 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1096 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1097 Read up to @var{nr} elements, returning a column vector.\n\
2122 91d802f77456 [project @ 1996-05-12 07:08:38 by jwe] jwe parents: 2116 diff changeset	1098 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1099 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1100 Read as much as possible, returning a matrix with @var{nr} rows. If the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1101 number of elements read is not an exact multiple of @var{nr}, the last\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1102 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1103 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1104 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1105 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1106 @var{nr} rows. If the number of elements read is not an exact multiple\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1107 of @var{nr}, the last column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1108 @end table\n\
2122 91d802f77456 [project @ 1996-05-12 07:08:38 by jwe] jwe parents: 2116 diff changeset	1109 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1110 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1111 If @var{size} is omitted, a value of @code{Inf} is assumed.\n\
2122 91d802f77456 [project @ 1996-05-12 07:08:38 by jwe] jwe parents: 2116 diff changeset	1112 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1113 A string is returned if @var{template} specifies only character\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1114 conversions.\n\
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1115 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1116 The number of items successfully read is returned in @var{count}.\n\
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1117 \n\
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1118 If an error occurs, @var{errmsg} contains a system-dependent error message.\n\
fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1119 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1120 In the second form, read from @var{fid} according to @var{template},\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1121 with each conversion specifier in @var{template} corresponding to a\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1122 single scalar return value. This form is more `C-like', and also\n\
3491 2c7524ffdbf5 [project @ 2000-01-28 22:44:13 by jwe] jwe parents: 3458 diff changeset	1123 compatible with previous versions of Octave. The number of successful\n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14365 diff changeset	1124 conversions is returned in @var{count}. It permits to explicitly\n\
14365 a598273c9c3d doc: Periodic spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1125 specify a locale to take into account language specific features, \n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14365 diff changeset	1126 such as decimal separator. This operation restores the previous locales\n\
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1127 setting at the end of the conversion.\n\
5653 ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	1128 @ifclear OCTAVE_MANUAL\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	1129 \n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	1130 See the Formatted Input section of the GNU Octave manual for a\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	1131 complete description of the syntax of the template string.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe] jwe parents: 5642 diff changeset	1132 @end ifclear\n\
7781 02a7fe6907d2 file-io.cc: added documentation bill@denney.ws parents: 7768 diff changeset	1133 @seealso{scanf, sscanf, fread, fprintf, fgets, fputs}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1134 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1135 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1136 static std::string who = "fscanf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1137
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1138 octave_value_list retval;
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1139
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1140 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1141
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1142 if (nargin == 3 && args(2).is_string ())
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1143 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1144 octave_stream os = octave_stream_list::lookup (args(0), who);
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1145
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1146 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1147 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1148 if (args(1).is_string ())
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1149 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1150 std::locale oldloc;
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1151 try
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1152 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1153 // Use args(2) val as the new locale setting. Keep
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1154 // old val for restoring afterwards.
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1155 oldloc =
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1156 os.imbue (std::locale (args(2).string_value ().c_str ()));
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14374 diff changeset	1157
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1158 }
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1159 catch (std::runtime_error)
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1160 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1161 // Display a warning if the specified locale is unknown
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1162 warning ("fscanf: invalid locale. Try `locale -a' for a list of supported values.");
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1163 oldloc = std::locale::classic ();
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1164 }
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1165 retval = os.oscanf (args(1), who);
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1166 os.imbue (oldloc);
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1167 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1168 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1169 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1170 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1171 }
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1172 else
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1173 {
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1174 retval(2) = "unknown error";
fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1175 retval(1) = 0.0;
fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1176 retval(0) = Matrix ();
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1177
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1178 if (nargin == 2 \|\| nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1179 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1180 octave_stream os = octave_stream_list::lookup (args(0), who);
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1181
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1182 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1183 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1184 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1185 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1186 octave_idx_type count = 0;
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1187
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1188 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1189 ? args(2).vector_value ()
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1190 : Array<double> (dim_vector (1, 1), lo_ieee_inf_value ());
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1191
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1192 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1193 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1194 octave_value tmp = os.scanf (args(1), size, count, who);
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1195
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1196 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1197 {
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1198 retval(2) = os.error ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1199 retval(1) = count;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1200 retval(0) = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1201 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1202 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1203 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1204 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1205 ::error ("%s: format must be a string", who.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1206 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1207 }
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1208 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1209 print_usage ();
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1210 }
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1211
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1212 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1213 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1214
13194 3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1215 static std::string
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1216 get_sscanf_data (const octave_value& val)
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1217 {
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1218 std::string retval;
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1219
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1220 if (val.is_string ())
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1221 {
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1222 octave_value tmp = val.reshape (dim_vector (1, val.numel ()));
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1223
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1224 retval = tmp.string_value ();
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1225 }
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1226 else
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1227 ::error ("sscanf: argument STRING must be a string");
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1228
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1229 return retval;
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1230 }
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1231
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1232 DEFUN (sscanf, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1233 "-- texinfo --\n\
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1234 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size})\n\
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1235 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}] =} sscanf (@var{string}, @var{template}, @var{locale})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1236 This is like @code{fscanf}, except that the characters are taken from the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1237 string @var{string} instead of from a stream. Reaching the end of the\n\
12993 dfab2a8ca545 doc: update sscanf doc string to match current behavior John W. Eaton <jwe@octave.org> parents: 12941 diff changeset	1238 string is treated as an end-of-file condition. In addition to the values\n\
dfab2a8ca545 doc: update sscanf doc string to match current behavior John W. Eaton <jwe@octave.org> parents: 12941 diff changeset	1239 returned by @code{fscanf}, the index of the next character to be read\n\
13929 9cae456085c2 Grammarcheck of documentation before 3.6.0 release. Rik <octave@nomad.inbox5.com> parents: 13271 diff changeset	1240 is returned in @var{pos}.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1241 @seealso{fscanf, scanf, sprintf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1242 @end deftypefn")
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1243 {
4468 efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1244 static std::string who = "sscanf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe] jwe parents: 4388 diff changeset	1245
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1246 octave_value_list retval;
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1247
506 0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	1248 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe] jwe parents: 497 diff changeset	1249
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1250 if (nargin == 3 && args(2).is_string ())
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1251 {
13194 3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1252 std::string data = get_sscanf_data (args(0));
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1253
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1254 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1255 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1256 octave_stream os = octave_istrstream::create (data);
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	1257
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1258 if (os.is_valid ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1259 {
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1260 if (args(1).is_string ())
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1261 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1262 // Use args(2) val as the new locale setting. As the os
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1263 // object is short lived, we don't need to restore
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1264 // locale afterwards.
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1265 try
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1266 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1267 os.imbue (std::locale (args(2).string_value ().c_str ()));
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1268 }
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1269 catch (std::runtime_error)
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1270 {
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1271 // Display a warning if the specified locale is unknown
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1272 warning ("sscanf: invalid locale. Try `locale -a' for a list of supported values.");
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1273 }
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1274 retval = os.oscanf (args(1), who);
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1275 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1276 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1277 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1278 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1279 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1280 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1281 who.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1282 }
636 fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe] jwe parents: 628 diff changeset	1283 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1284 ::error ("%s: argument STRING must be a string", who.c_str ());
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1285 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1286 else
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1287 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1288 if (nargin == 2 \|\| nargin == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1289 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1290 retval(3) = -1.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1291 retval(2) = "unknown error";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1292 retval(1) = 0.0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1293 retval(0) = Matrix ();
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1294
13194 3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1295 std::string data = get_sscanf_data (args(0));
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1296
3e1871badab9 allow sscanf to accept character arrays with more than one row John W. Eaton <jwe@octave.org> parents: 12998 diff changeset	1297 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1298 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1299 octave_stream os = octave_istrstream::create (data);
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1300
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1301 if (os.is_valid ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1302 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1303 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1304 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1305 octave_idx_type count = 0;
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1306
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1307 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1308 ? args(2).vector_value ()
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1309 : Array<double> (dim_vector (1, 1),
57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1310 lo_ieee_inf_value ());
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1311
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1312 octave_value tmp = os.scanf (args(1), size, count, who);
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1313
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1314 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1315 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1316 // FIXME -- is this the right thing to do?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1317 // Extract error message first, because getting
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1318 // position will clear it.
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1319 std::string errmsg = os.error ();
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1320
12997 bac0858b92ee sscanf: correctly set output position when reading stops at end of string John W. Eaton <jwe@octave.org> parents: 12993 diff changeset	1321 retval(3)
bac0858b92ee sscanf: correctly set output position when reading stops at end of string John W. Eaton <jwe@octave.org> parents: 12993 diff changeset	1322 = (os.eof () ? data.length () : os.tell ()) + 1;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1323 retval(2) = errmsg;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1324 retval(1) = count;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1325 retval(0) = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1326 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1327 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1328 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1329 ::error ("%s: format TEMPLATE must be a string", who.c_str ());
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1330 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1331 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1332 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1333 who.c_str ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1334 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1335 }
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1336 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1337 print_usage ();
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1338 }
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1339
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1340 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1341 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1342
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1343 /*
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1344 %!test
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14374 diff changeset	1345 %! assert (sscanf ("1,2", "%f", "C"), 1)
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14374 diff changeset	1346 %! assert (sscanf ("1,2", "%f", "fr_FR"), 1.2)
14210 238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1347 */
238e499c5fea locale support implementation in [fs]scanf functions Pascal Dupuis <Pascal.Dupuis@worldonline.be> parents: 14171 diff changeset	1348
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1349 DEFUN (scanf, args, nargout,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1350 "-- texinfo --\n\
13271 fba2cc36b762 return stream error message in scanf functions and document behavior John W. Eaton <jwe@octave.org> parents: 13194 diff changeset	1351 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size})\n\
14374 d31156b96abe Fix unbalanced parentheses in scanf DEFUN_DLD macro Rik <octave@nomad.inbox5.com> parents: 14366 diff changeset	1352 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}] =} scanf (@var{template}, @var{locale})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1353 This is equivalent to calling @code{fscanf} with @var{fid} = @code{stdin}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1354 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1355 It is currently not useful to call @code{scanf} in interactive\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1356 programs.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1357 @seealso{fscanf, sscanf, printf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1358 @end deftypefn")
2215 ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1359 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1360 int nargin = args.length ();
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1361
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1362 octave_value_list tmp_args (nargin+1, octave_value ());
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1363
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1364 tmp_args (0) = 0.0;
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1365 for (int i = 0; i < nargin; i++)
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1366 tmp_args (i+1) = args (i);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1367
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1368 return Ffscanf (tmp_args, nargout);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1369 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe] jwe parents: 2189 diff changeset	1370
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1371 static octave_value
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1372 do_fread (octave_stream& os, const octave_value& size_arg,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1373 const octave_value& prec_arg, const octave_value& skip_arg,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1374 const octave_value& arch_arg, octave_idx_type& count)
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1375 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1376 octave_value retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1377
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1378 count = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1379
3810 f19f00339363 [project @ 2001-03-29 21:03:01 by jwe] jwe parents: 3775 diff changeset	1380 Array<double> size = size_arg.vector_value ();
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1381
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1382 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1383 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	1384 std::string prec = prec_arg.string_value ();
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1385
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1386 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1387 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1388 int block_size = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1389 oct_data_conv::data_type input_type;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1390 oct_data_conv::data_type output_type;
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1391
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1392 oct_data_conv::string_to_data_type (prec, block_size,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1393 input_type, output_type);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1394
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1395 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1396 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1397 int skip = skip_arg.int_value (true);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1398
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1399 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1400 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1401 std::string arch = arch_arg.string_value ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	1402
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1403 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1404 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1405 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1406 = oct_mach_info::string_to_float_format (arch);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1407
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1408 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1409 retval = os.read (size, block_size, input_type,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1410 output_type, skip, flt_fmt, count);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1411 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1412 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1413 ::error ("fread: ARCH architecture type must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1414 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1415 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1416 ::error ("fread: SKIP must be an integer");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1417 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1418 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1419 ::error ("fread: invalid PRECISION specified");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1420 }
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1421 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1422 ::error ("fread: PRECISION must be a string");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1423 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1424 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1425 ::error ("fread: invalid SIZE specified");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1426
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1427 return retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1428 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1429
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1430 DEFUN (fread, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1431 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1432 @deftypefn {Built-in Function} {[@var{val}, @var{count}] =} fread (@var{fid}, @var{size}, @var{precision}, @var{skip}, @var{arch})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1433 Read binary data of type @var{precision} from the specified file ID\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1434 @var{fid}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1435 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1436 The optional argument @var{size} specifies the amount of data to read\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1437 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1438 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1439 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1440 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1441 Read as much as possible, returning a column vector.\n\
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1442 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1443 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1444 Read up to @var{nr} elements, returning a column vector.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1445 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1446 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1447 Read as much as possible, returning a matrix with @var{nr} rows. If the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1448 number of elements read is not an exact multiple of @var{nr}, the last\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1449 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1450 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1451 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1452 Read up to @code{@var{nr} * @var{nc}} elements, returning a matrix with\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1453 @var{nr} rows. If the number of elements read is not an exact multiple\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1454 of @var{nr}, the last column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1455 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1456 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1457 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1458 If @var{size} is omitted, a value of @code{Inf} is assumed.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1459 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1460 The optional argument @var{precision} is a string specifying the type of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1461 data to read and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1462 \n\
11595 5ec6aa05638d Prevent doubled quotes around @table items in Info. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	1463 @table @asis\n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1464 @item \"schar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1465 @itemx \"signed char\"\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1466 Signed character.\n\
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1467 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1468 @item \"uchar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1469 @itemx \"unsigned char\"\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1470 Unsigned character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1471 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1472 @item \"int8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1473 @itemx \"integer*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1474 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1475 8-bit signed integer.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1476 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1477 @item \"int16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1478 @itemx \"integer*2\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1479 16-bit signed integer.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1480 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1481 @item \"int32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1482 @itemx \"integer*4\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1483 32-bit signed integer.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1484 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1485 @item \"int64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1486 @itemx \"integer*8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1487 64-bit signed integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1488 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1489 @item \"uint8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1490 8-bit unsigned integer.\n\
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1491 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1492 @item \"uint16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1493 16-bit unsigned integer.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1494 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1495 @item \"uint32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1496 32-bit unsigned integer.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1497 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1498 @item \"uint64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1499 64-bit unsigned integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1500 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1501 @item \"single\"\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1502 @itemx \"float32\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1503 @itemx \"real*4\"\n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1504 32-bit floating point number.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1505 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1506 @item \"double\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1507 @itemx \"float64\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1508 @itemx \"real*8\"\n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1509 64-bit floating point number.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1510 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1511 @item \"char\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1512 @itemx \"char*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1513 Single character.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1514 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1515 @item \"short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1516 Short integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1517 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1518 @item \"int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1519 Integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1520 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1521 @item \"long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1522 Long integer (size is platform dependent).\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1523 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1524 @item \"ushort\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1525 @itemx \"unsigned short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1526 Unsigned short integer (size is platform dependent).\n\
4610 02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe] jwe parents: 4594 diff changeset	1527 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1528 @item \"uint\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1529 @itemx \"unsigned int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1530 Unsigned integer (size is platform dependent).\n\
4610 02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe] jwe parents: 4594 diff changeset	1531 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1532 @item \"ulong\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1533 @itemx \"unsigned long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1534 Unsigned long integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1535 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1536 @item \"float\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1537 Single precision floating point number (size is platform dependent).\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1538 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1539 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1540 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1541 The default precision is @code{\"uchar\"}.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1542 \n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1543 The @var{precision} argument may also specify an optional repeat\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1544 count. For example, @samp{32*single} causes @code{fread} to read\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1545 a block of 32 single precision floating point numbers. Reading in\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1546 blocks is useful in combination with the @var{skip} argument.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1547 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1548 The @var{precision} argument may also specify a type conversion.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1549 For example, @samp{int16=>int32} causes @code{fread} to read 16-bit\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1550 integer values and return an array of 32-bit integer values. By\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1551 default, @code{fread} returns a double precision array. The special\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1552 form @samp{*TYPE} is shorthand for @samp{TYPE=>TYPE}.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1553 \n\
7096 81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7078 diff changeset	1554 The conversion and repeat counts may be combined. For example, the\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7078 diff changeset	1555 specification @samp{32*single=>single} causes @code{fread} to read\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7078 diff changeset	1556 blocks of single precision floating point values and return an array\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7078 diff changeset	1557 of single precision values instead of the default array of double\n\
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe] jwe parents: 7078 diff changeset	1558 precision values.\n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1559 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1560 The optional argument @var{skip} specifies the number of bytes to skip\n\
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1561 after each element (or block of elements) is read. If it is not\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1562 specified, a value of 0 is assumed. If the final block read is not\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1563 complete, the final skip is omitted. For example,\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1564 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1565 @example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1566 fread (f, 10, \"3*single=>single\", 8)\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1567 @end example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1568 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1569 @noindent\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1570 will omit the final 8-byte skip because the last read will not be\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1571 a complete block of 3 values.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1572 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1573 The optional argument @var{arch} is a string specifying the data format\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1574 for the file. Valid values are\n\
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1575 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1576 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1577 @item \"native\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1578 The format of the current machine.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1579 \n\
4546 a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe] jwe parents: 4537 diff changeset	1580 @item \"ieee-be\"\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1581 IEEE big endian.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1582 \n\
4546 a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe] jwe parents: 4537 diff changeset	1583 @item \"ieee-le\"\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1584 IEEE little endian.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1585 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1586 @item \"vaxd\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1587 VAX D floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1588 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1589 @item \"vaxg\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1590 VAX G floating format.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1591 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1592 @item \"cray\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1593 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1594 @end table\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1595 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1596 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1597 Conversions are currently only supported for @code{\"ieee-be\"} and\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1598 @code{\"ieee-le\"} formats.\n\
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1599 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1600 The data read from the file is returned in @var{val}, and the number of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1601 values read is returned in @code{count}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1602 @seealso{fwrite, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1603 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1604 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1605 octave_value_list retval;
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1606
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1607 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1608
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1609 if (nargin > 0 && nargin < 6)
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1610 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1611 retval(1) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1612 retval(0) = Matrix ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1613
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1614 octave_stream os = octave_stream_list::lookup (args(0), "fread");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1615
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1616 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1617 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1618 octave_value size = lo_ieee_inf_value ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1619 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1620 octave_value skip = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1621 octave_value arch = "unknown";
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1622
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1623 int idx = 1;
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1624
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1625 if (nargin > idx && ! args(idx).is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1626 size = args(idx++);
4257 e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe] jwe parents: 4254 diff changeset	1627
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1628 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1629 prec = args(idx++);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1630
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1631 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1632 skip = args(idx++);
4257 e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe] jwe parents: 4254 diff changeset	1633
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1634 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1635 arch = args(idx++);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1636 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1637 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1638 arch = skip;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1639 skip = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1640 }
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1641
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1642 octave_idx_type count = -1;
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1643
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1644 octave_value tmp = do_fread (os, size, prec, skip, arch, count);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1645
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1646 retval(1) = count;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1647 retval(0) = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1648 }
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1649 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1650 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1651 print_usage ();
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1652
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1653 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1654 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1655
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1656 static int
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1657 do_fwrite (octave_stream& os, const octave_value& data,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1658 const octave_value& prec_arg, const octave_value& skip_arg,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1659 const octave_value& arch_arg)
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1660 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1661 int retval = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1662
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	1663 std::string prec = prec_arg.string_value ();
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1664
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1665 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1666 {
4944 44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1667 int block_size = 1;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1668 oct_data_conv::data_type output_type;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1669
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe] jwe parents: 4933 diff changeset	1670 oct_data_conv::string_to_data_type (prec, block_size, output_type);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1671
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1672 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1673 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1674 int skip = skip_arg.int_value (true);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1675
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1676 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1677 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1678 std::string arch = arch_arg.string_value ();
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	1679
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1680 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1681 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1682 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1683 = oct_mach_info::string_to_float_format (arch);
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1684
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1685 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1686 retval = os.write (data, block_size, output_type,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1687 skip, flt_fmt);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1688 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1689 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1690 ::error ("fwrite: ARCH architecture type must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1691 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1692 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1693 ::error ("fwrite: SKIP must be an integer");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1694 }
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	1695 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1696 ::error ("fwrite: invalid PRECISION specified");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1697 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1698 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1699 ::error ("fwrite: PRECISION must be a string");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1700
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1701 return retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1702 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1703
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1704 DEFUN (fwrite, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1705 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1706 @deftypefn {Built-in Function} {@var{count} =} fwrite (@var{fid}, @var{data}, @var{precision}, @var{skip}, @var{arch})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1707 Write data in binary form of type @var{precision} to the specified file\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1708 ID @var{fid}, returning the number of values successfully written to the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1709 file.\n\
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1710 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1711 The argument @var{data} is a matrix of values that are to be written to\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1712 the file. The values are extracted in column-major order.\n\
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1713 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1714 The remaining arguments @var{precision}, @var{skip}, and @var{arch} are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1715 optional, and are interpreted as described for @code{fread}.\n\
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1716 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1717 The behavior of @code{fwrite} is undefined if the values in @var{data}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1718 are too large to fit in the specified precision.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1719 @seealso{fread, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1720 @end deftypefn")
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1721 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	1722 octave_value retval = -1;
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1723
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1724 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1725
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1726 if (nargin > 1 && nargin < 6)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1727 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1728 octave_stream os = octave_stream_list::lookup (args(0), "fwrite");
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1729
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1730 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1731 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1732 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1733 octave_value skip = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1734 octave_value arch = "unknown";
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1735
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1736 int idx = 1;
7708 b42abee70a98 fread, fwrite: allow SKIP arg to be omitted John W. Eaton <jwe@octave.org> parents: 7650 diff changeset	1737
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1738 octave_value data = args(idx++);
7708 b42abee70a98 fread, fwrite: allow SKIP arg to be omitted John W. Eaton <jwe@octave.org> parents: 7650 diff changeset	1739
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1740 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1741 prec = args(idx++);
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1742
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1743 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1744 skip = args(idx++);
2318 31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe] jwe parents: 2237 diff changeset	1745
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1746 if (nargin > idx)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1747 arch = args(idx++);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1748 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1749 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1750 arch = skip;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1751 skip = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1752 }
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1753
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1754 double status = do_fwrite (os, data, prec, skip, arch);
2825 60ae49e1284f [project @ 1997-03-25 23:17:36 by jwe] jwe parents: 2802 diff changeset	1755
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1756 retval = status;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1757 }
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1758 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1759 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1760 print_usage ();
2116 99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe] jwe parents: 2095 diff changeset	1761
1181 b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1762 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1763 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe] jwe parents: 1086 diff changeset	1764
5906 bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe] jwe parents: 5823 diff changeset	1765 DEFUNX ("feof", Ffeof, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1766 "-- texinfo --\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1767 @deftypefn {Built-in Function} {} feof (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1768 Return 1 if an end-of-file condition has been encountered for a given\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1769 file and 0 otherwise. Note that it will only return 1 if the end of the\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1770 file has already been encountered, not if the next read operation will\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1771 result in an end-of-file condition.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1772 @seealso{fread, fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1773 @end deftypefn")
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1774 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	1775 octave_value retval = -1;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1776
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1777 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1778
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1779 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1780 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1781 octave_stream os = octave_stream_list::lookup (args(0), "feof");
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1782
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1783 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1784 retval = os.eof () ? 1.0 : 0.0;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1785 }
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 506 diff changeset	1786 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1787 print_usage ();
444 ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1788
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1789 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1790 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe] jwe parents: 372 diff changeset	1791
5906 bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe] jwe parents: 5823 diff changeset	1792 DEFUNX ("ferror", Fferror, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1793 "-- texinfo --\n\
9797 f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1794 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} ferror (@var{fid}, \"clear\")\n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1795 Return 1 if an error condition has been encountered for the file ID\n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1796 @var{fid} and 0 otherwise. Note that it will only return 1 if an error\n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1797 has already been encountered, not if the next operation will result in\n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1798 an error condition.\n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1799 \n\
f569f46a1c34 update ferror doc string, take 2 John W. Eaton <jwe@octave.org> parents: 9796 diff changeset	1800 The second argument is optional. If it is supplied, also clear the\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1801 error condition.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1802 @end deftypefn")
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1803 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1804 octave_value_list retval;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1805
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1806 int nargin = args.length ();
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1807
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1808 if (nargin == 1 \|\| nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1809 {
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1810 octave_stream os = octave_stream_list::lookup (args(0), "ferror");
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1811
3341 14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe] jwe parents: 3340 diff changeset	1812 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1813 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1814 bool clear = false;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1815
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1816 if (nargin == 2)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1817 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1818 std::string opt = args(1).string_value ();
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1819
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1820 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1821 clear = (opt == "clear");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1822 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1823 return retval;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1824 }
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	1825
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1826 int error_number = 0;
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1827
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1828 std::string error_message = os.error (clear, error_number);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1829
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1830 retval(1) = error_number;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1831 retval(0) = error_message;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1832 }
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1833 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1834 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1835 print_usage ();
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1836
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1837 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1838 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1839
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	1840 DEFUN (popen, args, ,
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1841 "-- texinfo --\n\
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1842 @deftypefn {Built-in Function} {@var{fid} =} popen (@var{command}, @var{mode})\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1843 Start a process and create a pipe. The name of the command to run is\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1844 given by @var{command}. The file identifier corresponding to the input\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1845 or output stream of the process is returned in @var{fid}. The argument\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1846 @var{mode} may be\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1847 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1848 @table @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1849 @item \"r\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1850 The pipe will be connected to the standard output of the process, and\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1851 open for reading.\n\
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1852 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1853 @item \"w\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1854 The pipe will be connected to the standard input of the process, and\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1855 open for writing.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1856 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1857 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	1858 For example:\n\
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1859 \n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1860 @example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1861 @group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1862 fid = popen (\"ls -ltr / \| tail -3\", \"r\");\n\
7768 a2d9f325b65a Use isschar instead of deprecated isstr Rafael Laboissiere <rafael@debian.org> parents: 7730 diff changeset	1863 while (ischar (s = fgets (fid)))\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1864 fputs (stdout, s);\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1865 endwhile\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14210 diff changeset	1866 \n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14210 diff changeset	1867 @print{} drwxr-xr-x 33 root root 3072 Feb 15 13:28 etc\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14210 diff changeset	1868 @print{} drwxr-xr-x 3 root root 1024 Feb 15 13:28 lib\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14210 diff changeset	1869 @print{} drwxrwxrwt 15 root root 2048 Feb 17 14:53 tmp\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1870 @end group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1871 @end example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1872 @end deftypefn")
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1873 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	1874 octave_value retval = -1;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1875
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1876 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1877
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1878 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1879 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	1880 std::string name = args(0).string_value ();
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1881
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1882 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1883 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1884 std::string mode = args(1).string_value ();
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1885
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1886 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1887 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1888 if (mode == "r")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1889 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1890 octave_stream ips = octave_iprocstream::create (name);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1891
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1892 retval = octave_stream_list::insert (ips);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1893 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1894 else if (mode == "w")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1895 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1896 octave_stream ops = octave_oprocstream::create (name);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1897
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1898 retval = octave_stream_list::insert (ops);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1899 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1900 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1901 ::error ("popen: invalid MODE specified");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1902 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1903 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1904 ::error ("popen: MODE must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1905 }
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1906 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1907 ::error ("popen: COMMAND must be a string");
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1908 }
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1909 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1910 print_usage ();
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1911
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1912 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1913 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1914
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1884 diff changeset	1915 DEFUN (pclose, args, ,
3381 69b167451491 [project @ 1999-12-15 20:48:10 by jwe] jwe parents: 3372 diff changeset	1916 "-- texinfo --\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1917 @deftypefn {Built-in Function} {} pclose (@var{fid})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1918 Close a file identifier that was opened by @code{popen}. You may also\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1919 use @code{fclose} for the same purpose.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	1920 @end deftypefn")
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1921 {
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	1922 octave_value retval = -1;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1923
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1924 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1181 diff changeset	1925
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1926 if (nargin == 1)
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	1927 retval = octave_stream_list::remove (args(0), "pclose");
1377 44f5d41ff757 [project @ 1995-09-12 00:07:58 by jwe] jwe parents: 1363 diff changeset	1928 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1929 print_usage ();
1379 e29697484908 [project @ 1995-09-12 00:41:58 by jwe] jwe parents: 1377 diff changeset	1930
e29697484908 [project @ 1995-09-12 00:41:58 by jwe] jwe parents: 1377 diff changeset	1931 return retval;
e29697484908 [project @ 1995-09-12 00:41:58 by jwe] jwe parents: 1377 diff changeset	1932 }
e29697484908 [project @ 1995-09-12 00:41:58 by jwe] jwe parents: 1377 diff changeset	1933
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1934 DEFUNX ("tmpnam", Ftmpnam, args, ,
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1935 "-- texinfo --\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1936 @c List other forms of function in documentation index\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1937 @findex octave_tmp_file_name\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1938 \n\
12211 11faa69c4eaa Add S_ISBLK and family of functions to documentation. Rik <octave@nomad.inbox5.com> parents: 11595 diff changeset	1939 @deftypefn {Built-in Function} {} tmpnam ()\n\
11faa69c4eaa Add S_ISBLK and family of functions to documentation. Rik <octave@nomad.inbox5.com> parents: 11595 diff changeset	1940 @deftypefnx {Built-in Function} {} tmpnam (@var{dir})\n\
11faa69c4eaa Add S_ISBLK and family of functions to documentation. Rik <octave@nomad.inbox5.com> parents: 11595 diff changeset	1941 @deftypefnx {Built-in Function} {} tmpnam (@var{dir}, @var{prefix})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1942 Return a unique temporary file name as a string.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	1943 \n\
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1944 If @var{prefix} is omitted, a value of @code{\"oct-\"} is used.\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1945 If @var{dir} is also omitted, the default directory for temporary files\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1946 is used. If @var{dir} is provided, it must exist, otherwise the default\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1947 directory for temporary files is used. Since the named file is not\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1948 opened, by @code{tmpnam}, it is possible (though relatively unlikely)\n\
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1949 that it will not be available by the time your program attempts to open it.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1950 @seealso{tmpfile, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1951 @end deftypefn")
1802 8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1952 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	1953 octave_value retval;
1802 8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1954
2936 87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1955 int len = args.length ();
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1956
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1957 if (len < 3)
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1958 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3503 diff changeset	1959 std::string dir = len > 0 ? args(0).string_value () : std::string ();
2936 87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1960
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1961 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1962 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1963 std::string pfx
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1964 = len > 1 ? args(1).string_value () : std::string ("oct-");
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1965
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1966 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1967 retval = octave_tempnam (dir, pfx);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1968 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1969 ::error ("PREFIX must be a string");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	1970 }
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	1971 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	1972 ::error ("DIR argument must be a string");
2936 87cb7614257d [project @ 1997-05-06 05:46:00 by jwe] jwe parents: 2926 diff changeset	1973 }
1802 8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1974 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	1975 print_usage ();
1802 8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1976
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1977 return retval;
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1978 }
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe] jwe parents: 1799 diff changeset	1979
2458 d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe] jwe parents: 2442 diff changeset	1980 DEFALIAS (octave_tmp_file_name, tmpnam);
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe] jwe parents: 2442 diff changeset	1981
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1982 DEFUN (tmpfile, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1983 "-- texinfo --\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1984 @deftypefn {Built-in Function} {[@var{fid}, @var{msg}] =} tmpfile ()\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1985 Return the file ID corresponding to a new temporary file with a unique\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1986 name. The file is opened in binary read/write (@code{\"w+b\"}) mode.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1987 The file will be deleted automatically when it is closed or when Octave\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1988 exits.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1989 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1990 If successful, @var{fid} is a valid file ID and @var{msg} is an empty\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1991 string. Otherwise, @var{fid} is -1 and @var{msg} contains a\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1992 system-dependent error message.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1993 @seealso{tmpnam, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	1994 @end deftypefn")
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1995 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1996 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1997
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1998 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	1999 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2000
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2001 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2002
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2003 if (nargin == 0)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2004 {
12775 d02c9a58bae1 use gnulib tmpfile module John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	2005 FILE *fid = gnulib::tmpfile ();
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2006
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2007 if (fid)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2008 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2009 std::string nm;
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2010
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2011 std::ios::openmode md = fopen_mode_to_ios_mode ("w+b");
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2012
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2013 octave_stream s = octave_stdiostream::create (nm, fid, md);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2014
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2015 if (s)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2016 retval(0) = octave_stream_list::insert (s);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2017 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2018 error ("tmpfile: failed to create octave_stdiostream object");
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2019
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2020 }
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2021 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2022 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	2023 retval(1) = gnulib::strerror (errno);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2024 retval(0) = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2025 }
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2026 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2027 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2028 print_usage ();
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2029
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2030 return retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2031 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2032
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2033 DEFUN (mkstemp, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2034 "-- texinfo --\n\
5109 1e36493572a0 [project @ 2005-01-18 20:17:53 by jwe] jwe parents: 5102 diff changeset	2035 @deftypefn {Built-in Function} {[@var{fid}, @var{name}, @var{msg}] =} mkstemp (@var{template}, @var{delete})\n\
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2036 Return the file ID corresponding to a new temporary file with a unique\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2037 name created from @var{template}. The last six characters of @var{template}\n\
5016 bdbee5282954 [project @ 2004-09-22 02:50:35 by jwe] jwe parents: 4944 diff changeset	2038 must be @code{XXXXXX} and these are replaced with a string that makes the\n\
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2039 filename unique. The file is then created with mode read/write and\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2040 permissions that are system dependent (on GNU/Linux systems, the permissions\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2041 will be 0600 for versions of glibc 2.0.7 and later). The file is opened\n\
13958 cb15c5185b6a mkstemp: open file in binary mode (bug #33669) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	2042 in binary mode and with the @w{@code{O_EXCL}} flag.\n\
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2043 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2044 If the optional argument @var{delete} is supplied and is true,\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2045 the file will be deleted automatically when Octave exits, or when\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2046 the function @code{purge_tmp_files} is called.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2047 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2048 If successful, @var{fid} is a valid file ID, @var{name} is the name of\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6905 diff changeset	2049 the file, and @var{msg} is an empty string. Otherwise, @var{fid}\n\
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2050 is -1, @var{name} is empty, and @var{msg} contains a system-dependent\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2051 error message.\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	2052 @seealso{tmpfile, tmpnam, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5421 diff changeset	2053 @end deftypefn")
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2054 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2055 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2056
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2057 retval(2) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2058 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2059 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2060
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2061 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2062
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2063 if (nargin == 1 \|\| nargin == 2)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2064 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2065 std::string tmpl8 = args(0).string_value ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2066
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2067 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2068 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2069 OCTAVE_LOCAL_BUFFER (char, tmp, tmpl8.size () + 1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2070 strcpy (tmp, tmpl8.c_str ());
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2071
13958 cb15c5185b6a mkstemp: open file in binary mode (bug #33669) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	2072 int fd = gnulib::mkostemp (tmp, O_BINARY);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2073
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2074 if (fd < 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2075 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	2076 retval(2) = gnulib::strerror (errno);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2077 retval(0) = fd;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2078 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2079 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2080 {
13958 cb15c5185b6a mkstemp: open file in binary mode (bug #33669) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	2081 const char *fopen_mode = "w+b";
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2082
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2083 FILE *fid = fdopen (fd, fopen_mode);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2084
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2085 if (fid)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2086 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2087 std::string nm = tmp;
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2088
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2089 std::ios::openmode md = fopen_mode_to_ios_mode (fopen_mode);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2090
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2091 octave_stream s = octave_stdiostream::create (nm, fid, md);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2092
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2093 if (s)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2094 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2095 retval(1) = nm;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2096 retval(0) = octave_stream_list::insert (s);
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2097
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2098 if (nargin == 2 && args(1).is_true ())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2099 mark_for_deletion (nm);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2100 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2101 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2102 error ("mkstemp: failed to create octave_stdiostream object");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2103 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2104 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2105 {
10411 479cc8a0a846 use gnulib namespace John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	2106 retval(2) = gnulib::strerror (errno);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2107 retval(0) = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2108 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2109 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2110 }
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2111 else
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	2112 error ("mkstemp: TEMPLATE argument must be a string");
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2113 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2114 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2115 print_usage ();
4326 1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2116
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2117 return retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2118 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe] jwe parents: 4267 diff changeset	2119
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2120 static int
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2121 convert (int x, int ibase, int obase)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2122 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2123 int retval = 0;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2124
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2125 int tmp = x % obase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2126
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2127 if (tmp > ibase - 1)
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	2128 ::error ("umask: invalid digit");
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2129 else
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2130 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2131 retval = tmp;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2132 int mult = ibase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2133 while ((x = (x - tmp) / obase))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2134 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2135 tmp = x % obase;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2136 if (tmp > ibase - 1)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2137 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2138 ::error ("umask: invalid digit");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2139 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2140 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2141 retval += mult * tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2142 mult *= ibase;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2143 }
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2144 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2145
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2146 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2147 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2148
10197 4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	2149 DEFUNX ("umask", Fumask, args, ,
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	2150 "-- texinfo --\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	2151 @deftypefn {Built-in Function} {} umask (@var{mask})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	2152 Set the permission mask for file creation. The parameter @var{mask}\n\
4715 7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	2153 is an integer, interpreted as an octal number. If successful,\n\
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	2154 returns the previous value of the mask (as an integer to be\n\
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe] jwe parents: 4649 diff changeset	2155 interpreted as an octal number); otherwise an error message is printed.\n\
3301 02866242d3ae [project @ 1999-10-20 04:10:46 by jwe] jwe parents: 3263 diff changeset	2156 @end deftypefn")
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2157 {
2095 36903d507b0e [project @ 1996-04-28 09:00:07 by jwe] jwe parents: 1996 diff changeset	2158 octave_value_list retval;
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2159
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2160 int status = 0;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2161
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2162 if (args.length () == 1)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2163 {
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	2164 int mask = args(0).int_value (true);
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2165
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	2166 if (! error_state)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2167 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2168 if (mask < 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2169 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2170 status = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2171 ::error ("umask: MASK must be a positive integer value");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2172 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2173 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2174 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2175 int oct_mask = convert (mask, 8, 10);
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2176
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2177 if (! error_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2178 status = convert (octave_umask (oct_mask), 10, 8);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2179 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2180 }
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3180 diff changeset	2181 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2182 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2183 status = -1;
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 12228 diff changeset	2184 ::error ("umask: MASK must be an integer");
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2185 }
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2186 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2187 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2188 print_usage ();
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2189
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2190 if (status >= 0)
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4102 diff changeset	2191 retval(0) = status;
1400 209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2192
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2193 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2194 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe] jwe parents: 1381 diff changeset	2195
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2196 static octave_value
6483 d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe] jwe parents: 6456 diff changeset	2197 const_value (const char *, const octave_value_list& args, int val)
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2198 {
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2199 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2200
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2201 int nargin = args.length ();
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2202
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2203 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2204 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2205 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2206 print_usage ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2207
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2208 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2209 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2210
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2211 DEFUNX ("P_tmpdir", FP_tmpdir, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2212 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2213 @deftypefn {Built-in Function} {} P_tmpdir ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2214 Return the default name of the directory for temporary files on\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2215 this system. The name of this directory is system dependent.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2216 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2217 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2218 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2219
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2220 int nargin = args.length ();
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4257 diff changeset	2221
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2222 if (nargin == 0)
12228 0f70c5db58c3 try to get better value than \ for P_tmpdir on Windows systems John W. Eaton <jwe@octave.org> parents: 12211 diff changeset	2223 retval = get_P_tmpdir ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2224 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2225 print_usage ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2226
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2227 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2228 }
2341 6ee55c0f25a9 [project @ 1996-07-24 10:33:09 by jwe] jwe parents: 2324 diff changeset	2229
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2230 // NOTE: the values of SEEK_SET, SEEK_CUR, and SEEK_END have to be
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2231 // this way for Matlab compatibility.
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2232
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2233 DEFUNX ("SEEK_SET", FSEEK_SET, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2234 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10791 diff changeset	2235 @deftypefn {Built-in Function} {} SEEK_SET ()\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2236 @deftypefnx {Built-in Function} {} SEEK_CUR ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2237 @deftypefnx {Built-in Function} {} SEEK_END ()\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2238 Return the numerical value to pass to @code{fseek} to perform\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2239 one of the following actions:\n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14365 diff changeset	2240 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2241 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2242 @item SEEK_SET\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2243 Position file relative to the beginning.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2244 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2245 @item SEEK_CUR\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2246 Position file relative to the current position.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2247 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2248 @item SEEK_END\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2249 Position file relative to the end.\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3342 diff changeset	2250 @end table\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2251 @seealso{fseek}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2252 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2253 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2254 return const_value ("SEEK_SET", args, -1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2255 }
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2256
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2257 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2258 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2259 @deftypefn {Built-in Function} {} SEEK_CUR ()\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2260 Return the numerical value to pass to @code{fseek} to\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2261 position the file pointer relative to the current position.\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2262 @seealso{SEEK_SET, SEEK_END}.\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2263 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2264 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2265 return const_value ("SEEK_CUR", args, 0);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2266 }
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2267
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2268 DEFUNX ("SEEK_END", FSEEK_END, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2269 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2270 @deftypefn {Built-in Function} {} SEEK_END ()\n\
14171 2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2271 Return the numerical value to pass to @code{fseek} to\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2272 position the file pointer relative to the end of the file.\n\
2ced2f59f523 doc: miscellaneous documentation improvements Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2273 @seealso{SEEK_SET, SEEK_CUR}.\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2274 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2275 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2276 return const_value ("SEEK_END", args, 1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2277 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2278
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2279 static octave_value
6483 d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe] jwe parents: 6456 diff changeset	2280 const_value (const char *, const octave_value_list& args,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10259 diff changeset	2281 const octave_value& val)
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2282 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2283 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2284
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2285 int nargin = args.length ();
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2286
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2287 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2288 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2289 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	2290 print_usage ();
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2291
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2292 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2293 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2294
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2295 DEFUNX ("stdin", Fstdin, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2296 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2297 @deftypefn {Built-in Function} {} stdin ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2298 Return the numeric value corresponding to the standard input stream.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2299 When Octave is used interactively, this is filtered through the command\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2300 line editing functions.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5325 diff changeset	2301 @seealso{stdout, stderr}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2302 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2303 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2304 return const_value ("stdin", args, stdin_file);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2305 }
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2306
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2307 DEFUNX ("stdout", Fstdout, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2308 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2309 @deftypefn {Built-in Function} {} stdout ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2310 Return the numeric value corresponding to the standard output stream.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2311 Data written to the standard output is normally filtered through the pager.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5325 diff changeset	2312 @seealso{stdin, stderr}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2313 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2314 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2315 return const_value ("stdout", args, stdout_file);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2316 }
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2317
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2318 DEFUNX ("stderr", Fstderr, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2319 "-- texinfo --\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2320 @deftypefn {Built-in Function} {} stderr ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2321 Return the numeric value corresponding to the standard error stream.\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2322 Even if paging is turned on, the standard error is not sent to the\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2323 pager. It is useful for error messages and prompts.\n\
5333 ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe] jwe parents: 5325 diff changeset	2324 @seealso{stdin, stdout}\n\
5749 26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2325 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2326 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe] jwe parents: 5653 diff changeset	2327 return const_value ("stderr", args, stderr_file);
2189 d01936305d99 [project @ 1996-05-14 03:31:57 by jwe] jwe parents: 2148 diff changeset	2328 }

Mercurial > octave-nkf

annotate src/file-io.cc @ 14436:12097d20a23e