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1 ## Copyright (C) 2005, 2006, 2007 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} {[@var{status}, @var{msg}, @var{msgid}] =} fileattrib (@var{file}) |
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21 ## Return information about @var{file}. |
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22 ## |
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23 ## If successful, @var{status} is 1, with @var{result} containing a |
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24 ## structure with the following fields: |
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25 ## |
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26 ## @table @code |
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27 ## @item Name |
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28 ## Full name of @var{file}. |
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29 ## @item archive |
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30 ## True if @var{file} is an archive (Windows). |
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31 ## @item system |
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32 ## True if @var{file} is a system file (Windows). |
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33 ## @item hidden |
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34 ## True if @var{file} is a hidden file (Windows). |
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35 ## @item directory |
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36 ## True if @var{file} is a directory. |
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37 ## @item UserRead |
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38 ## @itemx GroupRead |
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39 ## @itemx OtherRead |
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40 ## True if the user (group; other users) has read permission for |
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41 ## @var{file}. |
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42 ## @item UserWrite |
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43 ## @itemx GroupWrite |
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44 ## @itemx OtherWrite |
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45 ## True if the user (group; other users) has write permission for |
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46 ## @var{file}. |
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47 ## @item UserExecute |
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48 ## @itemx GroupExecute |
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49 ## @itemx OtherExecute |
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50 ## True if the user (group; other users) has execute permission for |
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51 ## @var{file}. |
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52 ## @end table |
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53 ## If an attribute does not apply (i.e., archive on a Unix system) then |
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54 ## the field is set to NaN. |
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55 ## |
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56 ## With no input arguments, return information about the current |
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57 ## directory. |
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58 ## |
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59 ## If @var{file} contains globbing characters, return information about |
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60 ## all the matching files. |
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61 ## @seealso{glob} |
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62 ## @end deftypefn |
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63 |
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64 function [status, msg, msgid] = fileattrib (file) |
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65 |
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66 status = true; |
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67 msg = ""; |
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68 msgid = ""; |
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69 |
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70 if (nargin == 0) |
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71 file = "."; |
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72 endif |
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73 |
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74 if (ischar (file)) |
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75 files = glob (file); |
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76 if (isempty (files)) |
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77 files = {file}; |
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78 nfiles = 1; |
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79 else |
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80 nfiles = length (files); |
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81 endif |
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82 else |
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83 error ("fileattrib: expecting first argument to be a character string"); |
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84 endif |
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85 |
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86 if (nargin == 0 || nargin == 1) |
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87 |
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88 r_n = r_a = r_s = r_h = r_d ... |
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89 = r_u_r = r_u_w = r_u_x ... |
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90 = r_g_r = r_g_w = r_g_x ... |
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91 = r_o_r = r_o_w = r_o_x = cell (nfiles, 1); |
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92 |
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93 curr_dir = pwd (); |
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94 |
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95 for i = 1:nfiles |
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96 [info, err, msg] = stat (files{i}); |
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97 if (! err) |
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98 r_n{i} = canonicalize_file_name (files{i}); |
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99 r_a{i} = NaN; |
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100 r_s{i} = NaN; |
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101 r_h{i} = NaN; |
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102 r_d{i} = S_ISDIR (info.mode); |
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103 ## FIXME -- maybe we should have S_IRUSR etc. masks? |
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104 modestr = info.modestr; |
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105 r_u_r{i} = modestr(2) == "r"; |
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106 r_u_w{i} = modestr(3) == "w"; |
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107 r_u_x{i} = modestr(4) == "x"; |
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108 r_g_r{i} = modestr(5) == "r"; |
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109 r_g_w{i} = modestr(6) == "w"; |
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110 r_g_x{i} = modestr(7) == "x"; |
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111 r_o_r{i} = modestr(8) == "r"; |
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112 r_o_w{i} = modestr(9) == "w"; |
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113 r_o_x{i} = modestr(10) == "x"; |
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114 else |
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115 status = false; |
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116 msgid = "fileattrib"; |
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117 break; |
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118 endif |
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119 endfor |
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120 if (status) |
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121 r = struct ("Name", r_n, "archive", r_a, "system", r_s, |
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122 "hidden", r_s, "directory", r_d, "UserRead", r_u_r, |
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123 "UserWrite", r_u_w, "UserExecute", r_u_x, |
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124 "GroupRead", r_g_r, "GroupWrite", r_g_w, |
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125 "GroupExecute", r_g_x, "OtherRead", r_o_r, |
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126 "OtherWrite", r_o_w, "OtherExecute", r_o_x); |
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127 if (nargout == 0) |
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128 status = r; |
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129 else |
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130 msg = r; |
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131 endif |
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132 endif |
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133 else |
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134 print_usage (); |
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135 endif |
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136 |
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137 endfunction |
