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annotate libinterp/interpfcn/file-io.cc @ 16308:122c1a7a3004

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avoid trouble if pclose is a macro * file-io.cc (Fpclose): Use DEFUNX.
author John W. Eaton <jwe@octave.org>
date Thu, 14 Mar 2013 22:23:24 -0400
parents 4b6c44096862
children 2d968b7830d6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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3 Copyright (C) 1993-2012 John W. Eaton
1
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4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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5 This file is part of Octave.
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6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
1
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11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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21 */
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22
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23 // Originally written by John C. Campbell <jcc@bevo.che.wisc.edu>
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24 //
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25 // Thomas Baier <baier@ci.tuwien.ac.at> added the original versions of
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26 // the following functions:
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27 //
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28 // popen
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29 // pclose
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30 // execute (now popen2.m)
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31 // sync_system (now merged with system)
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32 // async_system (now merged with system)
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33
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34 // Extensively revised by John W. Eaton <jwe@octave.org>,
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35 // April 1996.
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36
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37 #ifdef HAVE_CONFIG_H
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38 #include <config.h>
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39 #endif
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40
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41 #include <cerrno>
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42 #include <cstdio>
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43
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44 #include <iostream>
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45 #include <limits>
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46 #include <stack>
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47 #include <vector>
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48
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49 #include <fcntl.h>
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50 #include <sys/types.h>
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51 #include <unistd.h>
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52
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53 #ifdef HAVE_ZLIB_H
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54 #include <zlib.h>
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55 #endif
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56
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57 #include "error.h"
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58 #include "file-ops.h"
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59 #include "file-stat.h"
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60 #include "lo-ieee.h"
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61 #include "oct-env.h"
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62 #include "oct-locbuf.h"
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63
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64 #include "defun.h"
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65 #include "file-io.h"
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66 #include "load-path.h"
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67 #include "oct-fstrm.h"
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68 #include "oct-iostrm.h"
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69 #include "oct-map.h"
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70 #include "oct-obj.h"
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71 #include "oct-prcstrm.h"
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72 #include "oct-stream.h"
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73 #include "oct-strstrm.h"
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74 #include "pager.h"
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75 #include "sysdep.h"
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76 #include "utils.h"
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77 #include "variables.h"
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78
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79 static octave_value stdin_file;
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80 static octave_value stdout_file;
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81 static octave_value stderr_file;
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82
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83 static octave_stream stdin_stream;
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84 static octave_stream stdout_stream;
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85 static octave_stream stderr_stream;
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86
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87 void
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88 initialize_file_io (void)
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89 {
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90 stdin_stream = octave_istream::create (&std::cin, "stdin");
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92 // This uses octave_stdout (see pager.h), not std::cout so that Octave's
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93 // standard output stream will pass through the pager.
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94
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95 stdout_stream = octave_ostream::create (&octave_stdout, "stdout");
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96
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97 stderr_stream = octave_ostream::create (&std::cerr, "stderr");
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98
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99 stdin_file = octave_stream_list::insert (stdin_stream);
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100 stdout_file = octave_stream_list::insert (stdout_stream);
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101 stderr_file = octave_stream_list::insert (stderr_stream);
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102 }
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103
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104 void
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105 close_files (void)
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106 {
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107 octave_stream_list::clear ();
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108 }
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109
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110 // List of files to delete when we exit or crash.
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111 //
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112 // FIXME -- this should really be static, but that causes
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113 // problems on some systems.
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114 std::stack <std::string> tmp_files;
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115
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116 void
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117 mark_for_deletion (const std::string& file)
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118 {
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119 tmp_files.push (file);
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120 }
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121
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122 void
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123 cleanup_tmp_files (void)
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124 {
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125 while (! tmp_files.empty ())
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126 {
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127 std::string filename = tmp_files.top ();
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128 tmp_files.pop ();
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129 gnulib::unlink (filename.c_str ());
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130 }
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131 }
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132
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133 static std::ios::openmode
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134 fopen_mode_to_ios_mode (const std::string& mode_arg)
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135 {
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136 std::ios::openmode retval = std::ios::in;
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137
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138 if (! mode_arg.empty ())
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139 {
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140 // Could probably be faster, but does it really matter?
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141
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142 std::string mode = mode_arg;
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143
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144 // 'W' and 'R' are accepted as 'w' and 'r', but we warn about
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145 // them because Matlab says they perform "automatic flushing"
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146 // but we don't know precisely what action that implies.
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147
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148 size_t pos = mode.find ('W');
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149
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150 if (pos != std::string::npos)
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151 {
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diff changeset
152 warning ("fopen: treating mode \"W\" as equivalent to \"w\"");
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parents: 10259
diff changeset
153 mode[pos] = 'w';
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
154 }
7078
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
155
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
156 pos = mode.find ('R');
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
157
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
158 if (pos != std::string::npos)
10315
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parents: 10259
diff changeset
159 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
160 warning ("fopen: treating mode \"R\" as equivalent to \"r\"");
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
161 mode[pos] = 'r';
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
162 }
7078
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jwe
parents: 7017
diff changeset
163
405cf85b435c [project @ 2007-10-30 14:04:59 by jwe]
jwe
parents: 7017
diff changeset
164 pos = mode.find ('z');
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
165
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
166 if (pos != std::string::npos)
10315
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parents: 10259
diff changeset
167 {
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
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168 #if defined (HAVE_ZLIB)
10315
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parents: 10259
diff changeset
169 mode.erase (pos, 1);
5325
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jwe
parents: 5320
diff changeset
170 #else
10315
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parents: 10259
diff changeset
171 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
172 #endif
10315
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parents: 10259
diff changeset
173 }
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
174
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
175 if (! error_state)
10315
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parents: 10259
diff changeset
176 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
177 if (mode == "rt")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
178 retval = std::ios::in;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
179 else if (mode == "wt")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
180 retval = std::ios::out | std::ios::trunc;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
181 else if (mode == "at")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
182 retval = std::ios::out | std::ios::app;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
183 else if (mode == "r+t" || mode == "rt+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
184 retval = std::ios::in | std::ios::out;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
185 else if (mode == "w+t" || mode == "wt+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
186 retval = std::ios::in | std::ios::out | std::ios::trunc;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
187 else if (mode == "a+t" || mode == "at+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
188 retval = std::ios::in | std::ios::out | std::ios::app;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
189 else if (mode == "rb" || mode == "r")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
190 retval = std::ios::in | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
191 else if (mode == "wb" || mode == "w")
57a59eae83cc untabify src C++ source files
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diff changeset
192 retval = std::ios::out | std::ios::trunc | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
193 else if (mode == "ab" || mode == "a")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
194 retval = std::ios::out | std::ios::app | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
195 else if (mode == "r+b" || mode == "rb+" || mode == "r+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
196 retval = std::ios::in | std::ios::out | std::ios::binary;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
197 else if (mode == "w+b" || mode == "wb+" || mode == "w+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
198 retval = (std::ios::in | std::ios::out | std::ios::trunc
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
199 | std::ios::binary);
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
200 else if (mode == "a+b" || mode == "ab+" || mode == "a+")
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
201 retval = (std::ios::in | std::ios::out | std::ios::app
57a59eae83cc untabify src C++ source files
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diff changeset
202 | std::ios::binary);
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
203 else
57a59eae83cc untabify src C++ source files
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diff changeset
204 ::error ("invalid mode specified");
57a59eae83cc untabify src C++ source files
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diff changeset
205 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
206 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
207
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
208 return retval;
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
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
211 DEFUN (fclose, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
212 "-*- texinfo -*-\n\
12575
d0b799dafede Grammarcheck files for 3.4.1 release.
Rik <octave@nomad.inbox5.com>
parents: 12552
diff changeset
213 @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
214 @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
215 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
216 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
217 all open files except @code{stdout}, @code{stderr}, and @code{stdin}.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
218 @seealso{fopen, freport}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
219 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
220 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
221 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
222
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
223 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
224
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
225 if (nargin == 1)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
226 retval = octave_stream_list::remove (args(0), "fclose");
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
227 else
5823
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parents: 5775
diff changeset
228 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
229
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
230 return retval;
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
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
233 DEFUN (fclear, args, ,
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
234 "-*- texinfo -*-\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
235 @deftypefn {Built-in Function} {} fclear (@var{fid})\n\
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
236 Clear the stream state for the specified file.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
237 @seealso{fopen}\n\
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
238 @end deftypefn")
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
239 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
240 octave_value retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
241
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
242 int nargin = args.length ();
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
243
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
244 if (nargin == 1)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
245 {
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
246 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
247
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
248 octave_stream os = octave_stream_list::lookup (fid, "fclear");
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
249
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
250 if (! error_state)
10315
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John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
251 os.clearerr ();
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
252 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
253 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
254 print_usage ();
5144
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
255
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
256 return retval;
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
257 }
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe]
jwe
parents: 5109
diff changeset
258
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
259 DEFUN (fflush, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
260 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
261 @deftypefn {Built-in Function} {} fflush (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
262 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
263 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
264 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
265 stream before calling @code{input}.\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
266 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
267 @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
268 (@minus{}1 on Unix) on error.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
269 @seealso{fopen, fclose}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
270 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
271 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
272 octave_value retval = -1;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
273
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
274 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
275
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
276 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
277 {
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5749
diff changeset
278 // 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
279
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
280 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
281
12bc9d0a50b5 [project @ 1997-01-18 00:17:36 by jwe]
jwe
parents: 2599
diff changeset
282 if (fid == 1)
10315
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parents: 10259
diff changeset
283 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
284 flush_octave_stdout ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
285
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
286 retval = 0;
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
287 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
288 else
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
289 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
290 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
291
10315
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
292 if (! error_state)
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
293 retval = os.flush ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
294 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
295 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
296 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
297 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
298
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
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299 return retval;
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300 }
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301
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302 DEFUN (fgetl, args, ,
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303 "-*- texinfo -*-\n\
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304 @deftypefn {Built-in Function} {@var{str} =} fgetl (@var{fid})\n\
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305 @deftypefnx {Built-in Function} {@var{str} =} fgetl (@var{fid}, @var{len})\n\
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306 Read characters from a file, stopping after a newline, or EOF,\n\
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307 or @var{len} characters have been read. The characters read, excluding\n\
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308 the possible trailing newline, are returned as a string.\n\
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309 \n\
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310 If @var{len} is omitted, @code{fgetl} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
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311 character.\n\
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312 \n\
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313 If there are no more characters to read, @code{fgetl} returns @minus{}1.\n\
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314 \n\
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315 To read a line and return the terminating newline see @code{fgets}.\n\
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316 @seealso{fgets, fscanf, fread, fopen}\n\
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317 @end deftypefn")
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318 {
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319 static std::string who = "fgetl";
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320
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321 octave_value_list retval;
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322
4233
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323 retval(1) = 0;
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324 retval(0) = -1;
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325
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326 int nargin = args.length ();
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327
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328 if (nargin == 1 || nargin == 2)
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329 {
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330 octave_stream os = octave_stream_list::lookup (args(0), who);
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331
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332 if (! error_state)
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333 {
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334 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
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335
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336 bool err = false;
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337
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338 std::string tmp = os.getl (len_arg, err, who);
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339
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340 if (! (error_state || err))
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341 {
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342 retval(1) = tmp.length ();
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343 retval(0) = tmp;
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344 }
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345 }
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346 }
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347 else
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348 print_usage ();
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349
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350 return retval;
e1dbc5585afd [project @ 1995-08-25 03:58:02 by jwe]
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351 }
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352
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353 DEFUN (fgets, args, ,
3372
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354 "-*- texinfo -*-\n\
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355 @deftypefn {Built-in Function} {@var{str} =} fgets (@var{fid})\n\
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356 @deftypefnx {Built-in Function} {@var{str} =} fgets (@var{fid}, @var{len})\n\
3372
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357 Read characters from a file, stopping after a newline, or EOF,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
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358 or @var{len} characters have been read. The characters read, including\n\
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359 the possible trailing newline, are returned as a string.\n\
529
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360 \n\
3372
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361 If @var{len} is omitted, @code{fgets} reads until the next newline\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
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diff changeset
362 character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
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363 \n\
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diff changeset
364 If there are no more characters to read, @code{fgets} returns @minus{}1.\n\
14435
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365 \n\
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366 To read a line and discard the terminating newline see @code{fgetl}.\n\
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367 @seealso{fputs, fgetl, fscanf, fread, fopen}\n\
5642
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diff changeset
368 @end deftypefn")
529
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parents: 506
diff changeset
369 {
4468
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370 static std::string who = "fgets";
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diff changeset
371
2599
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diff changeset
372 octave_value_list retval;
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373
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diff changeset
374 retval(1) = 0.0;
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375 retval(0) = -1.0;
529
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parents: 506
diff changeset
376
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diff changeset
377 int nargin = args.length ();
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parents: 506
diff changeset
378
1338
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379 if (nargin == 1 || nargin == 2)
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diff changeset
380 {
4468
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diff changeset
381 octave_stream os = octave_stream_list::lookup (args(0), who);
2095
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parents: 1996
diff changeset
382
3341
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diff changeset
383 if (! error_state)
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diff changeset
384 {
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diff changeset
385 octave_value len_arg = (nargin == 2) ? args(1) : octave_value ();
2095
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parents: 1996
diff changeset
386
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387 bool err = false;
2095
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diff changeset
388
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diff changeset
389 std::string tmp = os.gets (len_arg, err, who);
2095
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parents: 1996
diff changeset
390
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diff changeset
391 if (! (error_state || err))
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diff changeset
392 {
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diff changeset
393 retval(1) = tmp.length ();
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diff changeset
394 retval(0) = tmp;
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diff changeset
395 }
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diff changeset
396 }
2095
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parents: 1996
diff changeset
397 }
1338
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parents: 1315
diff changeset
398 else
5823
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jwe
parents: 5775
diff changeset
399 print_usage ();
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
400
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
401 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
402 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
403
9701
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parents: 9322
diff changeset
404 DEFUN (fskipl, args, ,
531280b07625 implement fskipl
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parents: 9322
diff changeset
405 "-*- texinfo -*-\n\
14436
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diff changeset
406 @deftypefn {Built-in Function} {@var{nlines} =} fskipl (@var{fid})\n\
12097d20a23e doc: Improve docstring for fskipl.
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diff changeset
407 @deftypefnx {Built-in Function} {@var{nlines} =} fskipl (@var{fid}, @var{count})\n\
12097d20a23e doc: Improve docstring for fskipl.
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diff changeset
408 @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
409 Read and skip @var{count} lines from the file descriptor @var{fid}.\n\
12097d20a23e doc: Improve docstring for fskipl.
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parents: 14435
diff changeset
410 @code{fskipl} discards characters until an end-of-line is encountered exactly\n\
12097d20a23e doc: Improve docstring for fskipl.
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parents: 14435
diff changeset
411 @var{count}-times, or until the end-of-file marker is found.\n\
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parents: 14435
diff changeset
412 \n\
12097d20a23e doc: Improve docstring for fskipl.
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parents: 14435
diff changeset
413 If @var{count} is omitted, it defaults to 1. @var{count} may also be\n\
12097d20a23e doc: Improve docstring for fskipl.
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diff changeset
414 @code{Inf}, in which case lines are skipped until the end of the file.\n\
12097d20a23e doc: Improve docstring for fskipl.
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parents: 14435
diff changeset
415 This form is suitable for counting the number of lines in a file.\n\
12097d20a23e doc: Improve docstring for fskipl.
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parents: 14435
diff changeset
416 \n\
9701
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parents: 9322
diff changeset
417 Returns the number of lines skipped (end-of-line sequences encountered).\n\
14438
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diff changeset
418 @seealso{fgetl, fgets, fscanf, fopen}\n\
9701
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diff changeset
419 @end deftypefn")
531280b07625 implement fskipl
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parents: 9322
diff changeset
420 {
531280b07625 implement fskipl
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parents: 9322
diff changeset
421 static std::string who = "fskipl";
531280b07625 implement fskipl
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parents: 9322
diff changeset
422
531280b07625 implement fskipl
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parents: 9322
diff changeset
423 octave_value retval;
531280b07625 implement fskipl
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parents: 9322
diff changeset
424
531280b07625 implement fskipl
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parents: 9322
diff changeset
425 int nargin = args.length ();
531280b07625 implement fskipl
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parents: 9322
diff changeset
426
531280b07625 implement fskipl
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parents: 9322
diff changeset
427 if (nargin == 1 || nargin == 2)
531280b07625 implement fskipl
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parents: 9322
diff changeset
428 {
531280b07625 implement fskipl
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diff changeset
429 octave_stream os = octave_stream_list::lookup (args(0), who);
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parents: 9322
diff changeset
430
531280b07625 implement fskipl
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parents: 9322
diff changeset
431 if (! error_state)
10315
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diff changeset
432 {
57a59eae83cc untabify src C++ source files
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parents: 10259
diff changeset
433 octave_value count_arg = (nargin == 2) ? args(1) : octave_value ();
9701
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parents: 9322
diff changeset
434
10315
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diff changeset
435 bool err = false;
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
436
16011
8122286c69a9 initial large file support for 32-bit systems
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parents: 15468
diff changeset
437 off_t tmp = os.skipl (count_arg, err, who);
9701
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parents: 9322
diff changeset
438
10315
57a59eae83cc untabify src C++ source files
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diff changeset
439 if (! (error_state || err))
9701
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parents: 9322
diff changeset
440 retval = tmp;
10315
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diff changeset
441 }
9701
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parents: 9322
diff changeset
442 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
443 else
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
444 print_usage ();
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
445
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
446 return retval;
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9322
diff changeset
447 }
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
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
450 static octave_stream
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
451 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
452 const std::string& arch, int& fid)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
453 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
454 octave_stream retval;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
455
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
456 fid = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
457
4036
1432e11733d1 [project @ 2002-08-12 18:38:40 by jwe]
jwe
parents: 4028
diff changeset
458 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
459
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
460 if (! error_state)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
461 {
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
462 oct_mach_info::float_format flt_fmt =
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
463 oct_mach_info::string_to_float_format (arch);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
464
4798
da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe]
jwe
parents: 4797
diff changeset
465 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
466 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
467 std::string fname = file_ops::tilde_expand (name);
6159
645605133a6f [project @ 2006-11-14 02:55:05 by jwe]
jwe
parents: 6108
diff changeset
468
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
469 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
470
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
471 if (! (md & std::ios::out
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
472 || octave_env::absolute_pathname (fname)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
473 || octave_env::rooted_relative_pathname (fname)))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
474 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
475 if (! fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
476 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
477 std::string tmp
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10197
diff changeset
478 = 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
479
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
480 if (! tmp.empty ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
481 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
482 warning_with_id ("Octave:fopen-file-in-path",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
483 "fopen: file found in load path");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
484 fname = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
485 }
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 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
488
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
489 if (! fs.is_dir ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
490 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
491 std::string tmode = mode;
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
492
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
493 // 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
494 // 'b' if it is already present.
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
495
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
496 size_t bpos = tmode.find ('b');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
497 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
498
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
499 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
500 tmode += 'b';
6405
b298a4c12fc3 [project @ 2007-03-14 16:51:28 by jwe]
jwe
parents: 6345
diff changeset
501
6905
aee959a21c4b [project @ 2007-09-17 16:00:30 by jwe]
jwe
parents: 6838
diff changeset
502 #if defined (HAVE_ZLIB)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
503 size_t pos = tmode.find ('z');
4798
da0d1c453971 [project @ 2004-02-24 17:30:05 by jwe]
jwe
parents: 4797
diff changeset
504
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
505 if (pos != std::string::npos)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
506 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
507 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
508
12941
9a498efac5f1 use gnulib::fseek and gnulib::fopen
John W. Eaton <jwe@octave.org>
parents: 12918
diff changeset
509 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
510
11081
f9284142a060 avoid another use of ::fileno
John W. Eaton <jwe@octave.org>
parents: 11004
diff changeset
511 int fd = fileno (fptr);
11004
594adb99a25e cache file id in octave_tstdiostream class
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
512
594adb99a25e cache file id in octave_tstdiostream class
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
513 gzFile gzf = ::gzdopen (fd, tmode.c_str ());
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
514
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
515 if (fptr)
11004
594adb99a25e cache file id in octave_tstdiostream class
John W. Eaton <jwe@octave.org>
parents: 10840
diff changeset
516 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
517 md, flt_fmt);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
518 else
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
519 retval.error (gnulib::strerror (errno));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
520 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
521 else
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
522 #endif
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
523 {
12941
9a498efac5f1 use gnulib::fseek and gnulib::fopen
John W. Eaton <jwe@octave.org>
parents: 12918
diff changeset
524 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
525
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
526 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
527
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
528 if (! fptr)
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
529 retval.error (gnulib::strerror (errno));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
530 }
7730
b68e44c90afe file-io.cc (do_stream_open): return -1 for directories
John W. Eaton <jwe@octave.org>
parents: 7708
diff changeset
531
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
532 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
533 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
534 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
535
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
536 return retval;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
537 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
538
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
539 static octave_stream
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
540 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
541 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
542 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
543 octave_stream retval;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
544
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
545 fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
546
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
547 std::string name = tc_name.string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
548
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
549 if (! error_state)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
550 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
551 std::string mode = tc_mode.string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
552
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
553 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
554 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
555 std::string arch = tc_arch.string_value ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
556
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
557 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
558 retval = do_stream_open (name, mode, arch, fid);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
559 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
560 ::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
561 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
562 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
563 ::error ("%s: file mode must be a string", fcn);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
564 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
565 else
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
566 ::error ("%s: file name must be a string", fcn);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
567
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
568 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
569 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
570
11146
69b2f237060e file-io.cc (Ffopen): argument parsing tweak
John W. Eaton <jwe@octave.org>
parents: 11081
diff changeset
571 DEFUN (fopen, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
572 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10791
diff changeset
573 @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
574 @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
575 @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
576 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
577 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
578 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
579 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
580 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
581 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
582 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
583 reading, writing, or both.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
584 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
585 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
586 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
587 @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
588 \n\
5353
df230b7df93c [project @ 2005-05-18 02:18:24 by jwe]
jwe
parents: 5333
diff changeset
589 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
590 open file given its file id.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
591 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
592 For example,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
593 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
594 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
595 myfile = fopen (\"splat.dat\", \"r\", \"ieee-le\");\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
596 @end example\n\
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
597 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
598 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
599 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
600 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
601 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
602 representation.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
603 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
604 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
605 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
606 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
607 produce unexpected results.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
608 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
609 The possible values @samp{mode} may have are\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
610 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
611 @table @asis\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
612 @item @samp{r}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
613 Open a file for reading.\n\
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
614 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
615 @item @samp{w}\n\
7001
8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe]
jwe
parents: 6905
diff changeset
616 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
617 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
618 @item @samp{a}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
619 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
620 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
621 @item @samp{r+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
622 Open an existing file for reading and writing.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
623 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
624 @item @samp{w+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
625 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
626 discarded.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
627 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
628 @item @samp{a+}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
629 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
630 file.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
631 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
632 \n\
4865
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
633 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
634 \"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
635 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
636 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
637 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
638 specified is binary mode.\n\
2ac0f95eaa29 [project @ 2004-04-16 16:32:24 by jwe]
jwe
parents: 4799
diff changeset
639 \n\
5325
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
640 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
641 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
642 must also open the file in binary mode.\n\
ecbe4aa87e51 [project @ 2005-04-29 20:48:35 by jwe]
jwe
parents: 5320
diff changeset
643 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
644 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
645 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
646 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
647 @table @samp\n\
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
648 @item native\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
649 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
650 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
651 @item ieee-be\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
652 IEEE big endian format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
653 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
654 @item ieee-le\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
655 IEEE little endian format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
656 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
657 @item vaxd\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
658 VAX D floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
659 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
660 @item vaxg\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
661 VAX G floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
662 \n\
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 16011
diff changeset
663 @item cray\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
664 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
665 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
666 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
667 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
668 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
669 @samp{ieee-be}, and @samp{ieee-le} formats.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
670 @seealso{fclose, fgets, fgetl, fscanf, fread, fputs, fdisp, fprintf, fwrite, fskipl, fseek, frewind, ftell, feof, ferror, fclear, fflush, freport}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
671 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
672 {
2599
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
673 octave_value_list retval;
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
674
9705ea40f0a2 [project @ 1996-12-19 04:49:09 by jwe]
jwe
parents: 2458
diff changeset
675 retval(0) = -1.0;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
676
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
677 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
678
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
679 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
680 {
12896
a19b50f6697f Correctly allow single string input form of fopen() (Bug #33535).
Rik <octave@nomad.inbox5.com>
parents: 12775
diff changeset
681 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
682 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
683 // 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
684 // 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
685 // 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
686 // to supply more than one argument.
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
687
12896
a19b50f6697f Correctly allow single string input form of fopen() (Bug #33535).
Rik <octave@nomad.inbox5.com>
parents: 12775
diff changeset
688 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
689 return octave_stream_list::open_file_numbers ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
690 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
691 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
692 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
693 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
694
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
695 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
696 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
697 retval(2) = tmp(2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
698 retval(1) = tmp(1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
699 retval(0) = tmp(0);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
700 }
3263
7d80b56e0dc8 [project @ 1999-08-20 19:10:09 by jwe]
jwe
parents: 3246
diff changeset
701
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
702 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
703 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
704 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
705
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
706 if (nargin > 0 && nargin < 4)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
707 {
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
708 octave_value mode = (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
709 ? args(1) : octave_value ("r");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
710
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
711 octave_value arch = (nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
712 ? args(2) : octave_value ("native");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
713
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
714 int fid = -1;
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
715
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
716 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
717
5370
f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe]
jwe
parents: 5353
diff changeset
718 if (os && ! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
719 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
720 retval(1) = "";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
721 retval(0) = octave_stream_list::insert (os);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
722 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
723 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
724 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
725 int error_number = 0;
5370
f07a9653b844 [project @ 2005-05-24 02:25:57 by jwe]
jwe
parents: 5353
diff changeset
726
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
727 retval(1) = os.error (false, error_number);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
728 retval(0) = -1.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
729 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
730 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
731 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
732 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
733
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
734 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
735 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
736
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
737 DEFUN (freport, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
738 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
739 @deftypefn {Built-in Function} {} freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
740 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
741 for reading, writing, or both. For example:\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
742 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
743 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
744 @group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
745 freport ()\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
746 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
747 @print{} number mode name\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12575
diff changeset
748 @print{}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
749 @print{} 0 r stdin\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
750 @print{} 1 w stdout\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
751 @print{} 2 w stderr\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
752 @print{} 3 r myfile\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
753 @end group\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
754 @end example\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
755 @seealso{fopen, fclose}\n\
3372
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\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
776 @seealso{fseek, ftell, fopen}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
777 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
778 {
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
779 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
780
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
781 int result = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
782
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
783 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
784
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
785 if (nargin == 1)
1086
75fc98220389 [project @ 1995-01-31 04:17:15 by jwe]
jwe
parents: 1049
diff changeset
786 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
787 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
788
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
789 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
790 result = os.rewind ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
791 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
792 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
793 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
794
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
795 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
796 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
797
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
798 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
799 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
800
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
801 DEFUN (fseek, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
802 "-*- texinfo -*-\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
803 @deftypefn {Built-in Function} {} fseek (@var{fid}, @var{offset})\n\
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
804 @deftypefnx {Built-in Function} {} fseek (@var{fid}, @var{offset}, @var{origin})\n\
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
805 @deftypefnx {Built-in Function} {@var{status} =} fseek (@dots{})\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
806 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
807 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
808 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
809 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
810 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
811 file) or strings \"cof\", \"bof\" or \"eof\". If @var{origin} is omitted,\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
812 @w{@code{SEEK_SET}} is assumed. @var{offset} may be positive, negative, or zero but not all combinations of @var{origin} and @var{offset} can be realized.\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
813 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
814 Return 0 on success and -1 on error.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
815 @seealso{fskipl, frewind, ftell, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
816 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
817 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
818 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
819
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
820 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
821
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
822 if (nargin == 2 || nargin == 3)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
823 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
824 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
825
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
826 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
827 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
828 octave_value origin_arg = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
829 ? args(2) : octave_value (-1.0);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
830
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
831 retval = os.seek (args(1), origin_arg);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
832 }
368
5c987c27f3d7 [project @ 1994-02-16 08:33:09 by jwe]
jwe
parents: 367
diff changeset
833 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
834 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
835 print_usage ();
1
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 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
838 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
839
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
840 DEFUN (ftell, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
841 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
842 @deftypefn {Built-in Function} {} ftell (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
843 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
844 from the beginning of the file @var{fid}.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
845 @seealso{fseek, feof, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
846 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
847 {
4797
19b8225bdaa2 [project @ 2004-02-23 22:10:31 by jwe]
jwe
parents: 4726
diff changeset
848 octave_value retval = -1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
849
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
850 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
851
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
852 if (nargin == 1)
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 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
855
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
856 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
857 retval = os.tell ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
858 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
859 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
860 print_usage ();
1
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 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
863 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
864
3737
b736f8b8f0a1 [project @ 2000-11-16 18:01:08 by jwe]
jwe
parents: 3569
diff changeset
865 DEFUN (fprintf, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
866 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
867 @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
868 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
869 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
870 If @var{fid} is omitted, the output is written to @code{stdout}.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
871 @seealso{fputs, fdisp, fwrite, fscanf, printf, sprintf, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
872 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
873 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
874 static std::string who = "fprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
875
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
876 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
877
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
878 int result = -1;
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
879
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
880 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
881
2875
2e45e7a3d45e [project @ 1997-04-24 08:56:20 by jwe]
jwe
parents: 2873
diff changeset
882 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
883 {
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
884 octave_stream os;
2873
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
885 int fmt_n = 0;
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
886
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
887 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
888 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
889 os = octave_stream_list::lookup (1, who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
890 }
2873
c3f7ed3874af [project @ 1997-04-23 04:01:02 by jwe]
jwe
parents: 2847
diff changeset
891 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
892 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
893 fmt_n = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
894 os = octave_stream_list::lookup (args(0), who);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
895 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
896
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
897 if (! error_state)
10315
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 if (args(fmt_n).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
900 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
901 octave_value_list tmp_args;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
902
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
903 if (nargin > 1 + fmt_n)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
904 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
905 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
906
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
907 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
908 tmp_args(i-fmt_n-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
909 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
910
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
911 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
912 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
913 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
914 ::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
915 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
916 }
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
917 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
918 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
919
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
920 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
921 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
922
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
923 return retval;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
924 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
925
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
926 DEFUN (printf, args, nargout,
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
927 "-*- texinfo -*-\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
928 @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
929 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
930 @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
931 characters printed.\n\
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
932 @ifclear OCTAVE_MANUAL\n\
5095
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
933 \n\
5653
ab9a339fcec8 [project @ 2006-03-09 17:28:13 by jwe]
jwe
parents: 5642
diff changeset
934 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
935 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
936 @end ifclear\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
937 @seealso{fprintf, sprintf, scanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
938 @end deftypefn")
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
939 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
940 static std::string who = "printf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
941
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
942 octave_value retval;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
943
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
944 int result = -1;
4468
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 int nargin = args.length ();
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 (nargin > 0)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
949 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
950 if (args(0).is_string ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
951 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
952 octave_value_list tmp_args;
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
953
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
954 if (nargin > 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
955 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
956 tmp_args.resize (nargin-1, octave_value ());
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
957
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
958 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
959 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
960 }
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
961
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
962 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
963 }
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
964 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
965 ::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
966 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
967 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
968 print_usage ();
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
969
4715
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
970 if (nargout > 0)
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
971 retval = result;
7bed0ef1a6ad [project @ 2004-01-22 22:10:28 by jwe]
jwe
parents: 4649
diff changeset
972
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
973 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
974 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
975
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
976 DEFUN (fputs, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
977 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
978 @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
979 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
980 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
981 Return a non-negative number on success and EOF on error.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
982 @seealso{fdisp, fprintf, fwrite, fopen}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
983 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
984 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
985 static std::string who = "fputs";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
986
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
987 octave_value retval = -1;
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
988
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
989 int nargin = args.length ();
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
990
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
991 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
992 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
993 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
994
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
995 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
996 retval = os.puts (args(1), who);
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
997 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
998 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
999 print_usage ();
4468
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 return retval;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1002 }
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1003
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1004 DEFUN (puts, args, ,
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1005 "-*- texinfo -*-\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1006 @deftypefn {Built-in Function} {} puts (@var{string})\n\
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1007 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
1008 \n\
c9a44ec47b20 [project @ 2004-12-03 14:18:51 by jwe]
jwe
parents: 5041
diff changeset
1009 Return a non-negative number on success and EOF on error.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1010 @seealso{fputs, disp}\n\
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1011 @end deftypefn")
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1012 {
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1013 static std::string who = "puts";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1014
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1015 octave_value retval = -1;
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1016
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1017 if (args.length () == 1)
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1018 retval = stdout_stream.puts (args(0), who);
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1019 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1020 print_usage ();
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1021
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1022 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1023 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1024
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1025 DEFUN (sprintf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1026 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1027 @deftypefn {Built-in Function} {} sprintf (@var{template}, @dots{})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1028 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
1029 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
1030 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
1031 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
1032 converted.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1033 @seealso{printf, fprintf, sscanf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1034 @end deftypefn")
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1035 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1036 static std::string who = "sprintf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1037
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1038 octave_value_list retval;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1039
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1040 int nargin = args.length ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1041
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1042 if (nargin > 0)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1043 {
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1044 retval(2) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1045 retval(1) = "unknown error";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1046 retval(0) = "";
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1047
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1048 octave_ostrstream *ostr = new octave_ostrstream ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1049
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1050 octave_stream os (ostr);
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 610
diff changeset
1051
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3321
diff changeset
1052 if (os.is_valid ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1053 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1054 octave_value fmt_arg = args(0);
6007
52b520087c50 [project @ 2006-09-27 15:05:53 by jwe]
jwe
parents: 5906
diff changeset
1055
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1056 if (fmt_arg.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1057 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1058 octave_value_list tmp_args;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1059
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1060 if (nargin > 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1061 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1062 tmp_args.resize (nargin-1, octave_value ());
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1063
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1064 for (int i = 1; i < nargin; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1065 tmp_args(i-1) = args(i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1066 }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 610
diff changeset
1067
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1068 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
1069 retval(1) = os.error ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1070 retval(0) = octave_value (ostr->str (),
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1071 fmt_arg.is_sq_string () ? '\'' : '"');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1072 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1073 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1074 ::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
1075 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1076 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1077 ::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
1078 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1079 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1080 print_usage ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1081
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1082 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1083 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1084
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1085 DEFUN (fscanf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1086 "-*- texinfo -*-\n\
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1087 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, @var{size})\n\
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1088 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} fscanf (@var{fid}, @var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1089 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
1090 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
1091 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1092 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
1093 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1094 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1095 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1096 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1097 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
1098 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1099 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1100 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
1101 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1102 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1103 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
1104 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
1105 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1106 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1107 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1108 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
1109 @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
1110 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
1111 @end table\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 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1114 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
1115 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1116 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
1117 conversions.\n\
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1118 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1119 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
1120 \n\
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1121 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
1122 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1123 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
1124 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
1125 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
1126 compatible with previous versions of Octave. The number of successful\n\
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1127 conversions is returned in @var{count}\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\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1133 @seealso{fgets, fgetl, fread, scanf, sscanf, fopen}\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 ())
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1149 retval = os.oscanf (args(1), who);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1150 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1151 ::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
1152 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1153 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1154 else
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1155 {
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1156 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
1157 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
1158 retval(0) = Matrix ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1159
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1160 if (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1161 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1162 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
1163
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1164 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1165 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1166 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1167 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1168 octave_idx_type count = 0;
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1169
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1170 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1171 ? args(2).vector_value ()
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1172 : 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
1173
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1174 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1175 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1176 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
1177
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1178 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1179 {
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1180 retval(2) = os.error ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1181 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1182 retval(0) = tmp;
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 }
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 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1187 ::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
1188 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1189 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1190 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1191 print_usage ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1192 }
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1193
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1194 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1195 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1196
13194
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1197 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
1198 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
1199 {
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1200 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
1201
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1202 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
1203 {
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1204 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
1205
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1206 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
1207 }
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1208 else
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1209 ::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
1210
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1211 return retval;
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1212 }
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1213
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1214 DEFUN (sscanf, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1215 "-*- texinfo -*-\n\
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1216 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}, @var{pos}] =} sscanf (@var{string}, @var{template}, @var{size})\n\
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1217 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}] =} sscanf (@var{string}, @var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1218 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
1219 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
1220 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
1221 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
1222 is returned in @var{pos}.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1223 @seealso{fscanf, scanf, sprintf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1224 @end deftypefn")
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1225 {
4468
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1226 static std::string who = "sscanf";
efb6301dae80 [project @ 2003-07-15 19:18:20 by jwe]
jwe
parents: 4388
diff changeset
1227
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1228 octave_value_list retval;
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1229
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
1230 int nargin = args.length ();
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 497
diff changeset
1231
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1232 if (nargin == 3 && args(2).is_string ())
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1233 {
13194
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1234 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
1235
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1236 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1237 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1238 octave_stream os = octave_istrstream::create (data);
1358
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe]
jwe
parents: 1352
diff changeset
1239
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1240 if (os.is_valid ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1241 {
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1242 if (args(1).is_string ())
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1243 retval = os.oscanf (args(1), who);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1244 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1245 ::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
1246 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1247 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1248 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1249 who.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1250 }
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
1251 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1252 ::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
1253 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1254 else
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1255 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1256 if (nargin == 2 || nargin == 3)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1257 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1258 retval(3) = -1.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1259 retval(2) = "unknown error";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1260 retval(1) = 0.0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1261 retval(0) = Matrix ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1262
13194
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1263 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
1264
3e1871badab9 allow sscanf to accept character arrays with more than one row
John W. Eaton <jwe@octave.org>
parents: 12998
diff changeset
1265 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1266 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1267 octave_stream os = octave_istrstream::create (data);
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1268
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1269 if (os.is_valid ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1270 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1271 if (args(1).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1272 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1273 octave_idx_type count = 0;
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1274
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1275 Array<double> size = (nargin == 3)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1276 ? args(2).vector_value ()
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1277 : Array<double> (dim_vector (1, 1),
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1278 lo_ieee_inf_value ());
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1279
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1280 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
1281
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1282 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1283 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1284 // FIXME -- is this the right thing to do?
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1285 // Extract error message first, because getting
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1286 // position will clear it.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1287 std::string errmsg = os.error ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1288
12997
bac0858b92ee sscanf: correctly set output position when reading stops at end of string
John W. Eaton <jwe@octave.org>
parents: 12993
diff changeset
1289 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
1290 = (os.eof () ? data.length () : os.tell ()) + 1;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1291 retval(2) = errmsg;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1292 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1293 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1294 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1295 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1296 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1297 ::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
1298 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1299 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1300 ::error ("%s: unable to create temporary input buffer",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1301 who.c_str ());
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 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1304 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1305 print_usage ();
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1306 }
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1307
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1308 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1309 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1310
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1311 DEFUN (scanf, args, nargout,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1312 "-*- texinfo -*-\n\
13271
fba2cc36b762 return stream error message in scanf functions and document behavior
John W. Eaton <jwe@octave.org>
parents: 13194
diff changeset
1313 @deftypefn {Built-in Function} {[@var{val}, @var{count}, @var{errmsg}] =} scanf (@var{template}, @var{size})\n\
16099
4b6c44096862 Backout changeset 238e499c5fea (locale support in scanf)
Rik <rik@octave.org>
parents: 16094
diff changeset
1314 @deftypefnx {Built-in Function} {[@var{v1}, @var{v2}, @dots{}, @var{count}, @var{errmsg}]] =} scanf (@var{template}, \"C\")\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1315 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
1316 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1317 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
1318 programs.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1319 @seealso{fscanf, sscanf, printf}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1320 @end deftypefn")
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1321 {
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1322 int nargin = args.length ();
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1323
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1324 octave_value_list tmp_args (nargin+1, octave_value ());
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1325
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1326 tmp_args (0) = 0.0;
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1327 for (int i = 0; i < nargin; i++)
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1328 tmp_args (i+1) = args (i);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1329
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1330 return Ffscanf (tmp_args, nargout);
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1331 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2189
diff changeset
1332
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1333 static octave_value
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1334 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
1335 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
1336 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
1337 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1338 octave_value retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1339
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1340 count = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1341
3810
f19f00339363 [project @ 2001-03-29 21:03:01 by jwe]
jwe
parents: 3775
diff changeset
1342 Array<double> size = size_arg.vector_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1343
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1344 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1345 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1346 std::string prec = prec_arg.string_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1347
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1348 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1349 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1350 int block_size = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1351 oct_data_conv::data_type input_type;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1352 oct_data_conv::data_type output_type;
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1353
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1354 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
1355 input_type, output_type);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1356
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1357 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1358 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1359 int skip = skip_arg.int_value (true);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1360
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1361 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1362 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1363 std::string arch = arch_arg.string_value ();
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1364
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1365 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1366 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1367 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1368 = oct_mach_info::string_to_float_format (arch);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1369
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1370 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1371 retval = os.read (size, block_size, input_type,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1372 output_type, skip, flt_fmt, count);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1373 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1374 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1375 ::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
1376 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1377 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1378 ::error ("fread: SKIP must be an integer");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1379 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1380 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1381 ::error ("fread: invalid PRECISION specified");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1382 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1383 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1384 ::error ("fread: PRECISION must be a string");
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 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1387 ::error ("fread: invalid SIZE specified");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1388
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1389 return retval;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1390 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1391
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1392 DEFUN (fread, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1393 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1394 @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
1395 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
1396 @var{fid}.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1397 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1398 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
1399 and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1400 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1401 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1402 @item Inf\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1403 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
1404 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1405 @item @var{nr}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1406 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
1407 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1408 @item [@var{nr}, Inf]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1409 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
1410 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
1411 column is padded with zeros.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1412 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1413 @item [@var{nr}, @var{nc}]\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1414 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
1415 @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
1416 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
1417 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1418 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1419 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1420 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
1421 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1422 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
1423 data to read and may be one of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1424 \n\
11595
5ec6aa05638d Prevent doubled quotes around @table items in Info.
Rik <octave@nomad.inbox5.com>
parents: 11586
diff changeset
1425 @table @asis\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1426 @item \"schar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1427 @itemx \"signed char\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1428 Signed character.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1429 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1430 @item \"uchar\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1431 @itemx \"unsigned char\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1432 Unsigned character.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1433 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1434 @item \"int8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1435 @itemx \"integer*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1436 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1437 8-bit signed integer.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1438 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1439 @item \"int16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1440 @itemx \"integer*2\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1441 16-bit signed integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1442 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1443 @item \"int32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1444 @itemx \"integer*4\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1445 32-bit signed integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1446 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1447 @item \"int64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1448 @itemx \"integer*8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1449 64-bit signed integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1450 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1451 @item \"uint8\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1452 8-bit unsigned integer.\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1453 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1454 @item \"uint16\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1455 16-bit unsigned integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1456 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1457 @item \"uint32\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1458 32-bit unsigned integer.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1459 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1460 @item \"uint64\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1461 64-bit unsigned integer.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1462 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1463 @item \"single\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1464 @itemx \"float32\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1465 @itemx \"real*4\"\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1466 32-bit floating point number.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1467 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1468 @item \"double\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1469 @itemx \"float64\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1470 @itemx \"real*8\"\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1471 64-bit floating point number.\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1472 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1473 @item \"char\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1474 @itemx \"char*1\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1475 Single character.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1476 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1477 @item \"short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1478 Short integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1479 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1480 @item \"int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1481 Integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1482 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1483 @item \"long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1484 Long integer (size is platform dependent).\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1485 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1486 @item \"ushort\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1487 @itemx \"unsigned short\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1488 Unsigned short integer (size is platform dependent).\n\
4610
02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe]
jwe
parents: 4594
diff changeset
1489 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1490 @item \"uint\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1491 @itemx \"unsigned int\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1492 Unsigned integer (size is platform dependent).\n\
4610
02d2fcf835fc [project @ 2003-11-14 17:08:59 by jwe]
jwe
parents: 4594
diff changeset
1493 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1494 @item \"ulong\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1495 @itemx \"unsigned long\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1496 Unsigned long integer (size is platform dependent).\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1497 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1498 @item \"float\"\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1499 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
1500 @end table\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1501 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1502 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1503 The default precision is @code{\"uchar\"}.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1504 \n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1505 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
1506 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
1507 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
1508 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
1509 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1510 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
1511 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
1512 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
1513 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
1514 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
1515 \n\
7096
81bed50b9feb [project @ 2007-11-02 16:13:43 by jwe]
jwe
parents: 7078
diff changeset
1516 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
1517 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
1518 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
1519 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
1520 precision values.\n\
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1521 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1522 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
1523 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
1524 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
1525 complete, the final skip is omitted. For example,\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1526 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1527 @example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1528 fread (f, 10, \"3*single=>single\", 8)\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1529 @end example\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1530 \n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1531 @noindent\n\
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1532 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
1533 a complete block of 3 values.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1534 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1535 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
1536 for the file. Valid values are\n\
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1537 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1538 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1539 @item \"native\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1540 The format of the current machine.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1541 \n\
4546
a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe]
jwe
parents: 4537
diff changeset
1542 @item \"ieee-be\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1543 IEEE big endian.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1544 \n\
4546
a4796ccde726 [project @ 2003-10-24 18:58:22 by jwe]
jwe
parents: 4537
diff changeset
1545 @item \"ieee-le\"\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1546 IEEE little endian.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1547 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1548 @item \"vaxd\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1549 VAX D floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1550 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1551 @item \"vaxg\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1552 VAX G floating format.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1553 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1554 @item \"cray\"\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1555 Cray floating format.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1556 @end table\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1557 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1558 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1559 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
1560 @code{\"ieee-le\"} formats.\n\
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1561 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1562 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
1563 values read is returned in @code{count}\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1564 @seealso{fwrite, fgets, fgetl, fscanf, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1565 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1566 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1567 octave_value_list retval;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1568
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1569 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1570
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1571 if (nargin > 0 && nargin < 6)
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1572 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1573 retval(1) = -1.0;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1574 retval(0) = Matrix ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1575
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1576 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
1577
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1578 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1579 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1580 octave_value size = lo_ieee_inf_value ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1581 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1582 octave_value skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1583 octave_value arch = "unknown";
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1584
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1585 int idx = 1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1586
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1587 if (nargin > idx && ! args(idx).is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1588 size = args(idx++);
4257
e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe]
jwe
parents: 4254
diff changeset
1589
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1590 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1591 prec = args(idx++);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1592
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1593 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1594 skip = args(idx++);
4257
e556870ce8f0 [project @ 2003-01-02 03:14:41 by jwe]
jwe
parents: 4254
diff changeset
1595
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1596 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1597 arch = args(idx++);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1598 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1599 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1600 arch = skip;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1601 skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1602 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1603
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1604 octave_idx_type count = -1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1605
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1606 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
1607
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1608 retval(1) = count;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1609 retval(0) = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1610 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1611 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1612 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1613 print_usage ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1614
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1615 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1616 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1617
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1618 static int
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1619 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
1620 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
1621 const octave_value& arch_arg)
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1622 {
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1623 int retval = -1;
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1624
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1625 std::string prec = prec_arg.string_value ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1626
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1627 if (! error_state)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1628 {
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1629 int block_size = 1;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1630 oct_data_conv::data_type output_type;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1631
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4933
diff changeset
1632 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
1633
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1634 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1635 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1636 int skip = skip_arg.int_value (true);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1637
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1638 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1639 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1640 std::string arch = arch_arg.string_value ();
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1641
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1642 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1643 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1644 oct_mach_info::float_format flt_fmt
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1645 = oct_mach_info::string_to_float_format (arch);
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1646
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1647 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1648 retval = os.write (data, block_size, output_type,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1649 skip, flt_fmt);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1650 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1651 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1652 ::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
1653 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1654 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1655 ::error ("fwrite: SKIP must be an integer");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1656 }
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
1657 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1658 ::error ("fwrite: invalid PRECISION specified");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1659 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1660 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1661 ::error ("fwrite: PRECISION must be a string");
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1662
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1663 return retval;
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
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1666 DEFUN (fwrite, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1667 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1668 @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
1669 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
1670 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
1671 file.\n\
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1672 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1673 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
1674 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
1675 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1676 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
1677 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
1678 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1679 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
1680 are too large to fit in the specified precision.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1681 @seealso{fread, fputs, fprintf, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1682 @end deftypefn")
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1683 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1684 octave_value retval = -1;
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1685
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1686 int nargin = args.length ();
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1687
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1688 if (nargin > 1 && nargin < 6)
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1689 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1690 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
1691
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1692 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1693 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1694 octave_value prec = "uchar";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1695 octave_value skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1696 octave_value arch = "unknown";
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1697
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1698 int idx = 1;
7708
b42abee70a98 fread, fwrite: allow SKIP arg to be omitted
John W. Eaton <jwe@octave.org>
parents: 7650
diff changeset
1699
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1700 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
1701
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1702 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1703 prec = args(idx++);
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1704
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1705 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1706 skip = args(idx++);
2318
31e7eb125d89 [project @ 1996-07-14 22:44:50 by jwe]
jwe
parents: 2237
diff changeset
1707
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1708 if (nargin > idx)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1709 arch = args(idx++);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1710 else if (skip.is_string ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1711 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1712 arch = skip;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1713 skip = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1714 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1715
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1716 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
1717
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1718 retval = status;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1719 }
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1720 }
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1721 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1722 print_usage ();
2116
99658f9b74c8 [project @ 1996-05-10 07:20:15 by jwe]
jwe
parents: 2095
diff changeset
1723
1181
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1724 return retval;
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1725 }
b2b7c5264ac2 [project @ 1995-03-28 23:51:50 by jwe]
jwe
parents: 1086
diff changeset
1726
5906
bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe]
jwe
parents: 5823
diff changeset
1727 DEFUNX ("feof", Ffeof, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1728 "-*- texinfo -*-\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1729 @deftypefn {Built-in Function} {} feof (@var{fid})\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1730 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
1731 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
1732 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
1733 result in an end-of-file condition.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1734 @seealso{fread, fopen}\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1735 @end deftypefn")
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1736 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1737 octave_value retval = -1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1738
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1739 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1740
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1741 if (nargin == 1)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1742 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1743 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
1744
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1745 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1746 retval = os.eof () ? 1.0 : 0.0;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1747 }
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 506
diff changeset
1748 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1749 print_usage ();
444
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1750
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1751 return retval;
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1752 }
ba637cc5c5f3 [project @ 1994-06-02 17:15:07 by jwe]
jwe
parents: 372
diff changeset
1753
5906
bdf16e1564e1 [project @ 2006-07-27 03:07:14 by jwe]
jwe
parents: 5823
diff changeset
1754 DEFUNX ("ferror", Fferror, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1755 "-*- texinfo -*-\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1756 @deftypefn {Built-in Function} {[@var{err}, @var{msg}] =} ferror (@var{fid})\n\
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1757 @deftypefnx {Built-in Function} {[@var{err}, @var{msg}] =} ferror (@var{fid}, \"clear\")\n\
9797
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1758 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
1759 @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
1760 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
1761 an error condition.\n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1762 \n\
f569f46a1c34 update ferror doc string, take 2
John W. Eaton <jwe@octave.org>
parents: 9796
diff changeset
1763 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
1764 error condition.\n\
14438
6a8c3cd326fd doc: Improve seealso links between low-level file I/O functions.
Rik <octave@nomad.inbox5.com>
parents: 14436
diff changeset
1765 @seealso{fclear, fopen}\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1766 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1767 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1768 octave_value_list retval;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1769
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1770 int nargin = args.length ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1771
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1772 if (nargin == 1 || nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1773 {
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1774 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
1775
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
1776 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1777 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1778 bool clear = false;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1779
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1780 if (nargin == 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1781 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1782 std::string opt = args(1).string_value ();
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1783
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1784 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1785 clear = (opt == "clear");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1786 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1787 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1788 }
1755
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe]
jwe
parents: 1750
diff changeset
1789
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1790 int error_number = 0;
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1791
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1792 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
1793
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1794 retval(1) = error_number;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1795 retval(0) = error_message;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1796 }
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1797 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1798 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1799 print_usage ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1800
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1801 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1802 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1803
1957
0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe]
jwe
parents: 1884
diff changeset
1804 DEFUN (popen, args, ,
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1805 "-*- texinfo -*-\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1806 @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
1807 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
1808 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
1809 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
1810 @var{mode} may be\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1811 \n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1812 @table @code\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1813 @item \"r\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1814 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
1815 open for reading.\n\
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1816 \n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1817 @item \"w\"\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1818 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
1819 open for writing.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1820 @end table\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1821 \n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10791
diff changeset
1822 For example:\n\
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1823 \n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1824 @example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1825 @group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1826 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
1827 while (ischar (s = fgets (fid)))\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1828 fputs (stdout, s);\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1829 endwhile\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14210
diff changeset
1830 \n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14210
diff changeset
1831 @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
1832 @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
1833 @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
1834 @end group\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1835 @end example\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1836 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1837 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1838 octave_value retval = -1;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1839
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1840 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1841
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1842 if (nargin == 2)
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1843 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1844 std::string name = args(0).string_value ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1845
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1846 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1847 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1848 std::string mode = args(1).string_value ();
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1849
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1850 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1851 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1852 if (mode == "r")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1853 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1854 octave_stream ips = octave_iprocstream::create (name);
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1855
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1856 retval = octave_stream_list::insert (ips);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1857 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1858 else if (mode == "w")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1859 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1860 octave_stream ops = octave_oprocstream::create (name);
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1861
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1862 retval = octave_stream_list::insert (ops);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1863 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1864 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1865 ::error ("popen: invalid MODE specified");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1866 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1867 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1868 ::error ("popen: MODE must be a string");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1869 }
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1870 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1871 ::error ("popen: COMMAND must be a string");
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1872 }
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1873 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1874 print_usage ();
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 return retval;
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1877 }
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1878
16308
122c1a7a3004 avoid trouble if pclose is a macro
John W. Eaton <jwe@octave.org>
parents: 16099
diff changeset
1879 DEFUNX ("pclose", Fpclose, args, ,
3381
69b167451491 [project @ 1999-12-15 20:48:10 by jwe]
jwe
parents: 3372
diff changeset
1880 "-*- texinfo -*-\n\
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1881 @deftypefn {Built-in Function} {} pclose (@var{fid})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1882 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
1883 use @code{fclose} for the same purpose.\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
1884 @end deftypefn")
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1885 {
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1886 octave_value retval = -1;
1230
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1887
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1888 int nargin = args.length ();
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe]
jwe
parents: 1181
diff changeset
1889
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1890 if (nargin == 1)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
1891 retval = octave_stream_list::remove (args(0), "pclose");
1377
44f5d41ff757 [project @ 1995-09-12 00:07:58 by jwe]
jwe
parents: 1363
diff changeset
1892 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1893 print_usage ();
1379
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1894
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1895 return retval;
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1896 }
e29697484908 [project @ 1995-09-12 00:41:58 by jwe]
jwe
parents: 1377
diff changeset
1897
10197
4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
1898 DEFUNX ("tmpnam", Ftmpnam, args, ,
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
1899 "-*- texinfo -*-\n\
14171
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1900 @c List other forms of function in documentation index\n\
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1901 @findex octave_tmp_file_name\n\
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1902 \n\
12211
11faa69c4eaa Add S_ISBLK and family of functions to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11595
diff changeset
1903 @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
1904 @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
1905 @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
1906 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
1907 \n\
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 @seealso{tmpfile, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1915 @end deftypefn")
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1916 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
1917 octave_value retval;
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1918
2936
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1919 int len = args.length ();
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1920
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1921 if (len < 3)
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1922 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
1923 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
1924
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1925 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1926 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1927 std::string pfx
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1928 = 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
1929
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1930 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1931 retval = octave_tempnam (dir, pfx);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1932 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1933 ::error ("PREFIX must be a string");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1934 }
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
1935 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
1936 ::error ("DIR argument must be a string");
2936
87cb7614257d [project @ 1997-05-06 05:46:00 by jwe]
jwe
parents: 2926
diff changeset
1937 }
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1938 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1939 print_usage ();
1802
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1940
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1941 return retval;
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1942 }
8173b1fa052d [project @ 1996-01-29 06:10:18 by jwe]
jwe
parents: 1799
diff changeset
1943
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2442
diff changeset
1944 DEFALIAS (octave_tmp_file_name, tmpnam);
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2442
diff changeset
1945
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1946 DEFUN (tmpfile, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1947 "-*- texinfo -*-\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1948 @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
1949 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
1950 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
1951 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
1952 exits.\n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1953 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1954 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
1955 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
1956 system-dependent error message.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1957 @seealso{tmpnam, mkstemp, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
1958 @end deftypefn")
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1959 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1960 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1961
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1962 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1963 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1964
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1965 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1966
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1967 if (nargin == 0)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1968 {
12775
d02c9a58bae1 use gnulib tmpfile module
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1969 FILE *fid = gnulib::tmpfile ();
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1970
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1971 if (fid)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1972 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1973 std::string nm;
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1974
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1975 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
1976
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1977 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
1978
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1979 if (s)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1980 retval(0) = octave_stream_list::insert (s);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1981 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1982 error ("tmpfile: failed to create octave_stdiostream object");
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1983
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1984 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1985 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1986 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
1987 retval(1) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1988 retval(0) = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
1989 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1990 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1991 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
1992 print_usage ();
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1993
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1994 return retval;
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
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1997 DEFUN (mkstemp, args, ,
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
1998 "-*- texinfo -*-\n\
5109
1e36493572a0 [project @ 2005-01-18 20:17:53 by jwe]
jwe
parents: 5102
diff changeset
1999 @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
2000 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
2001 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
2002 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
2003 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
2004 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
2005 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
2006 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
2007 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2008 If the optional argument @var{delete} is supplied and is true,\n\
15395
7a009eea571a Remove reference to obsolete purge_tmp_files function
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15215
diff changeset
2009 the file will be deleted automatically when Octave exits.\n\
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2010 \n\
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2011 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
2012 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
2013 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
2014 error message.\n\
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
2015 @seealso{tmpfile, tmpnam, P_tmpdir}\n\
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5421
diff changeset
2016 @end deftypefn")
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2017 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2018 octave_value_list retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2019
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2020 retval(2) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2021 retval(1) = std::string ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2022 retval(0) = -1;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2023
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2024 int nargin = args.length ();
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2025
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2026 if (nargin == 1 || nargin == 2)
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2027 {
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2028 std::string tmpl8 = args(0).string_value ();
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 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2031 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2032 OCTAVE_LOCAL_BUFFER (char, tmp, tmpl8.size () + 1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2033 strcpy (tmp, tmpl8.c_str ());
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2034
13958
cb15c5185b6a mkstemp: open file in binary mode (bug #33669)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
2035 int fd = gnulib::mkostemp (tmp, O_BINARY);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2036
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2037 if (fd < 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2038 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
2039 retval(2) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2040 retval(0) = fd;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2041 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2042 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2043 {
13958
cb15c5185b6a mkstemp: open file in binary mode (bug #33669)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
2044 const char *fopen_mode = "w+b";
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2045
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2046 FILE *fid = fdopen (fd, fopen_mode);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2047
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2048 if (fid)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2049 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2050 std::string nm = tmp;
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2051
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2052 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
2053
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2054 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
2055
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2056 if (s)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2057 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2058 retval(1) = nm;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2059 retval(0) = octave_stream_list::insert (s);
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2060
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2061 if (nargin == 2 && args(1).is_true ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2062 mark_for_deletion (nm);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2063 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2064 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2065 error ("mkstemp: failed to create octave_stdiostream object");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2066 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2067 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2068 {
10411
479cc8a0a846 use gnulib namespace
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
2069 retval(2) = gnulib::strerror (errno);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2070 retval(0) = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2071 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2072 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2073 }
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2074 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
2075 error ("mkstemp: TEMPLATE argument must be a string");
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2076 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2077 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2078 print_usage ();
4326
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2079
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2080 return retval;
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2081 }
1cae4472c624 [project @ 2003-02-15 23:14:47 by jwe]
jwe
parents: 4267
diff changeset
2082
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2083 static int
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2084 convert (int x, int ibase, int obase)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2085 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2086 int retval = 0;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2087
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2088 int tmp = x % obase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2089
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2090 if (tmp > ibase - 1)
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
2091 ::error ("umask: invalid digit");
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2092 else
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2093 {
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2094 retval = tmp;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2095 int mult = ibase;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2096 while ((x = (x - tmp) / obase))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2097 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2098 tmp = x % obase;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2099 if (tmp > ibase - 1)
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 ::error ("umask: invalid digit");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2102 break;
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 retval += mult * tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2105 mult *= ibase;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2106 }
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2107 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2108
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2109 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2110 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2111
10197
4d433bd2d4dc attempt to avoid trouble with gnulib #defines in a consistent way
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
2112 DEFUNX ("umask", Fumask, args, ,
3301
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2113 "-*- texinfo -*-\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2114 @deftypefn {Built-in Function} {} umask (@var{mask})\n\
02866242d3ae [project @ 1999-10-20 04:10:46 by jwe]
jwe
parents: 3263
diff changeset
2115 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
2116 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
2117 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
2118 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
2119 @end deftypefn")
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2120 {
2095
36903d507b0e [project @ 1996-04-28 09:00:07 by jwe]
jwe
parents: 1996
diff changeset
2121 octave_value_list retval;
1400
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 status = 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 if (args.length () == 1)
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2126 {
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2127 int mask = args(0).int_value (true);
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2128
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2129 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2130 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2131 if (mask < 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2132 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2133 status = -1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2134 ::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
2135 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2136 else
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 int oct_mask = convert (mask, 8, 10);
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2139
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2140 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2141 status = convert (octave_umask (oct_mask), 10, 8);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2142 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2143 }
3202
44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe]
jwe
parents: 3180
diff changeset
2144 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2145 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2146 status = -1;
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12228
diff changeset
2147 ::error ("umask: MASK must be an integer");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10259
diff changeset
2148 }
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2149 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2150 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2151 print_usage ();
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2152
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2153 if (status >= 0)
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4102
diff changeset
2154 retval(0) = status;
1400
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2155
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2156 return retval;
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2157 }
209ec8f4db00 [project @ 1995-09-15 04:08:08 by jwe]
jwe
parents: 1381
diff changeset
2158
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2159 static octave_value
6483
d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe]
jwe
parents: 6456
diff changeset
2160 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
2161 {
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2162 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2163
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2164 int nargin = args.length ();
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2165
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2166 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2167 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2168 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2169 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2170
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2171 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2172 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2173
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2174 DEFUNX ("P_tmpdir", FP_tmpdir, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2175 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2176 @deftypefn {Built-in Function} {} P_tmpdir ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2177 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
2178 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
2179 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2180 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2181 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2182
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2183 int nargin = args.length ();
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4257
diff changeset
2184
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2185 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
2186 retval = get_P_tmpdir ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2187 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2188 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2189
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2190 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2191 }
2341
6ee55c0f25a9 [project @ 1996-07-24 10:33:09 by jwe]
jwe
parents: 2324
diff changeset
2192
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2193 // 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
2194 // this way for Matlab compatibility.
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2195
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2196 DEFUNX ("SEEK_SET", FSEEK_SET, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2197 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10791
diff changeset
2198 @deftypefn {Built-in Function} {} SEEK_SET ()\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2199 @deftypefnx {Built-in Function} {} SEEK_CUR ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2200 @deftypefnx {Built-in Function} {} SEEK_END ()\n\
14171
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2201 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
2202 one of the following actions:\n\
14366
b76f0740940e doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
parents: 14365
diff changeset
2203 \n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2204 @table @code\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2205 @item SEEK_SET\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2206 Position file relative to the beginning.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2207 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2208 @item SEEK_CUR\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2209 Position file relative to the current position.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2210 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2211 @item SEEK_END\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2212 Position file relative to the end.\n\
3372
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe]
jwe
parents: 3342
diff changeset
2213 @end table\n\
14171
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2214 @seealso{fseek}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2215 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2216 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2217 return const_value ("SEEK_SET", args, -1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2218 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2219
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2220 DEFUNX ("SEEK_CUR", FSEEK_CUR, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2221 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2222 @deftypefn {Built-in Function} {} SEEK_CUR ()\n\
14171
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2223 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
2224 position the file pointer relative to the current position.\n\
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2225 @seealso{SEEK_SET, SEEK_END}.\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2226 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2227 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2228 return const_value ("SEEK_CUR", args, 0);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2229 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2230
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2231 DEFUNX ("SEEK_END", FSEEK_END, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2232 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2233 @deftypefn {Built-in Function} {} SEEK_END ()\n\
14171
2ced2f59f523 doc: miscellaneous documentation improvements
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
2234 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
2235 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
2236 @seealso{SEEK_SET, SEEK_CUR}.\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2237 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2238 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2239 return const_value ("SEEK_END", args, 1);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2240 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2241
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2242 static octave_value
6483
d00da2148c53 [project @ 2007-04-04 02:58:48 by jwe]
jwe
parents: 6456
diff changeset
2243 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
2244 const octave_value& val)
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2245 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2246 octave_value retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2247
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2248 int nargin = args.length ();
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2249
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2250 if (nargin == 0)
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2251 retval = val;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2252 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5775
diff changeset
2253 print_usage ();
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2254
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2255 return retval;
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2256 }
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2257
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2258 DEFUNX ("stdin", Fstdin, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2259 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2260 @deftypefn {Built-in Function} {} stdin ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2261 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
2262 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
2263 line editing functions.\n\
5333
ac8d64b9e76a [project @ 2005-05-02 18:15:20 by jwe]
jwe
parents: 5325
diff changeset
2264 @seealso{stdout, stderr}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2265 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2266 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2267 return const_value ("stdin", args, stdin_file);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2268 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2269
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2270 DEFUNX ("stdout", Fstdout, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2271 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2272 @deftypefn {Built-in Function} {} stdout ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2273 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
2274 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
2275 @seealso{stdin, stderr}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2276 @end deftypefn")
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 return const_value ("stdout", args, stdout_file);
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2279 }
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2280
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2281 DEFUNX ("stderr", Fstderr, args, ,
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2282 "-*- texinfo -*-\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2283 @deftypefn {Built-in Function} {} stderr ()\n\
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2284 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
2285 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
2286 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
2287 @seealso{stdin, stdout}\n\
5749
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2288 @end deftypefn")
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2289 {
26beffa9f66f [project @ 2006-04-07 20:35:07 by jwe]
jwe
parents: 5653
diff changeset
2290 return const_value ("stderr", args, stderr_file);
2189
d01936305d99 [project @ 1996-05-14 03:31:57 by jwe]
jwe
parents: 2148
diff changeset
2291 }