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maint: Update copyright notices for release.
author John W. Eaton <jwe@octave.org>
date Wed, 23 Oct 2013 22:09:27 -0400
parents 5b916efea542
children 30a9df3770aa
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17744
d63878346099 maint: Update copyright notices for release.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2005-2013 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} movefile (@var{f1})
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21 ## @deftypefnx {Function File} {} movefile (@var{f1}, @var{f2})
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22 ## @deftypefnx {Function File} {} movefile (@var{f1}, @var{f2}, 'f')
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23 ## @deftypefnx {Function File} {[@var{status}, @var{msg}, @var{msgid}] =} movefile (@dots{})
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24 ## Move the file @var{f1} to the destination @var{f2}.
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25 ##
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26 ## The name @var{f1} may contain globbing patterns. If @var{f1} expands to
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27 ## multiple file names, @var{f2} must be a directory. If no destination
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28 ## @var{f2} is specified then the destination is the present working directory.
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29 ## If @var{f2} is a file name then @var{f1} is renamed to @var{f2}.
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30 ## When the force flag @qcode{'f'} is given any existing files will be
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31 ## overwritten without prompting.
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32 ##
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33 ## If successful, @var{status} is 1, and @var{msg}, @var{msgid} are empty
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34 ## character strings (""). Otherwise, @var{status} is 0, @var{msg} contains a
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35 ## system-dependent error message, and @var{msgid} contains a unique message
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36 ## identifier. Note that the status code is exactly opposite that of the
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37 ## @code{system} command.
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38 ## @seealso{rename, copyfile, unlink, delete, glob}
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39 ## @end deftypefn
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40
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41 function [status, msg, msgid] = movefile (f1, f2, force)
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42
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43 if (nargin < 1 || nargin > 3)
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44 print_usage ();
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45 endif
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46
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47 max_cmd_line = 1024;
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48 status = true;
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49 msg = "";
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50 msgid = "";
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51
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52 ## FIXME: maybe use the same method as in ls to allow users control
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53 ## over the command that is executed.
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54
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55 if (ispc () && ! isunix ()
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56 && isempty (file_in_path (getenv ("PATH"), "mv.exe")))
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57 ## Windows.
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58 cmd = "cmd /C move";
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59 cmd_force_flag = "/Y";
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60 else
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61 cmd = "mv";
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62 cmd_force_flag = "-f";
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63 endif
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64
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65 ## Input type check.
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66 if (! (ischar (f1) || iscellstr (f1)))
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67 error ("movefile: F1 must be a character string or a cell array of character strings");
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68 endif
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69
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70 if (nargin == 1)
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71 f2 = pwd ();
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72 elseif (! ischar (f2))
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73 error ("movefile: F2 must be a character string");
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74 endif
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75
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76 if (nargin == 3 && strcmp (force, "f"))
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77 cmd = [cmd " " cmd_force_flag];
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78 endif
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79
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80 ## If f1 isn't a cellstr convert it to one.
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81 if (ischar (f1))
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82 f1 = cellstr (f1);
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83 endif
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84
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85 ## If f1 has more than 1 element f2 must be a directory
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86 isdir = (exist (f2, "dir") != 0);
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87 if (length (f1) > 1 && ! isdir)
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88 error ("movefile: when moving multiple files, F2 must be a directory");
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89 endif
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90
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91 ## Protect the file name(s).
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92 f1 = glob (f1);
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93 if (isempty (f1))
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94 error ("movefile: no files to move");
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95 endif
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96 p1 = sprintf ('"%s" ', f1{:});
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97 p2 = tilde_expand (f2);
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98
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99 if (isdir && length (p1) > max_cmd_line)
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100 l2 = length (p2) + length (cmd) + 6;
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101 while (! isempty (f1))
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102 p1 = sprintf ('"%s" ', f1{1});
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103 f1(1) = [];
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104 while (! isempty (f1)
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105 && (length (p1) + length (f1{1}) + l2 < max_cmd_line))
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106 p1 = sprintf ('%s"%s" ', p1, f1{1});
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107 f1(1) = [];
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108 endwhile
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109
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110 if (ispc () && ! isunix ()
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111 && ! isempty (file_in_path (getenv ("PATH"), "cp.exe")))
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112 p1 = strrep (p1, '\', '/');
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113 p2 = strrep (p2, '\', '/');
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114 endif
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115
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116 ## Move the file(s).
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117 [err, msg] = system (sprintf ('%s %s "%s"', cmd, p1, p2));
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118 if (err != 0)
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119 status = false;
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120 msgid = "movefile";
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121 endif
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122 endwhile
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123 else
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124 if (ispc () && ! isunix ()
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125 && ! isempty (file_in_path (getenv ("PATH"), "cp.exe")))
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126 p1 = strrep (p1, '\', '/');
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127 p2 = strrep (p2, '\', '/');
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128 endif
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129
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130 ## Move the file(s).
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131 [err, msg] = system (sprintf ('%s %s "%s"', cmd, p1, p2));
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132 if (err != 0)
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133 status = false;
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134 msgid = "movefile";
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135 endif
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136 endif
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137
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138 endfunction
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139