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comparison scripts/miscellaneous/fileattrib.m @ 5559:45304bb922f1

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[project @ 2005-12-05 16:06:28 by jwe]
author jwe
date Mon, 05 Dec 2005 16:06:28 +0000
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children ace8d8d26933
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5558:ec7b3ceb4bf2 5559:45304bb922f1
1 ## Copyright (C) 2005 John W. Eaton
2 ##
3 ## This file is part of Octave.
4 ##
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 2, or (at your option)
8 ## any later version.
9 ##
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, write to the Free
17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 ## 02110-1301, USA.
19
20 ## -*- texinfo -*-
21 ## @deftypefn {Function File} {[@var{status}, @var{msg}, @var{msgid}] =} fileattrib (@var{file})
22 ## Return information about @var{file}.
23 ##
24 ## If successful, @var{status} is 1, with @var{result} containing a
25 ## structure with the following fields:
26 ##
27 ## @table @code
28 ## @item Name
29 ## Full name of @var{file}.
30 ## @item archive
31 ## True if @var{file} is an archive (Windows).
32 ## @item system
33 ## True if @var{file} is a system file (Windows).
34 ## @item hidden
35 ## True if @var{file} is a hidden file (Windows).
36 ## @item directory
37 ## True if @var{file} is a directory.
38 ## @item UserRead
39 ## @itemx GroupRead
40 ## @itemx OtherRead
41 ## True if the user (group; other users) has read permission for
42 ## @var{file}.
43 ## @item UserWrite
44 ## @itemx GroupWrite
45 ## @itemx OtherWrite
46 ## True if the user (group; other users) has write permission for
47 ## @var{file}.
48 ## @item UserExecute
49 ## @itemx GroupExecute
50 ## @itemx OtherExecute
51 ## True if the user (group; other users) has execute permission for
52 ## @var{file}.
53 ## @end table
54 ## If an attribute does not apply (i.e., archive on a Unix system) then
55 ## the field is set to NaN.
56 ##
57 ## With no input arguments, return information about the current
58 ## directory.
59 ##
60 ## If @var{file} contains globbing characters, return information about
61 ## all the matching files.
62 ## @seealso{glob}
63 ## @end deftypefn
64
65 function [status, msg, msgid] = fileattrib (file)
66
67 status = true;
68 msg = "";
69 msgid = "";
70
71 if (nargin == 0)
72 file = ".";
73 endif
74
75 if (ischar (file))
76 files = glob (file);
77 if (isempty (files))
78 files = {file};
79 nfiles = 1;
80 else
81 nfiles = length (files);
82 endif
83 else
84 error ("fileattrib: expecting first argument to be a character string");
85 endif
86
87 if (nargin == 0 || nargin == 1)
88
89 r_n = r_a = r_s = r_h = r_d ...
90 = r_u_r = r_u_w = r_u_x ...
91 = r_g_r = r_g_w = r_g_x ...
92 = r_o_r = r_o_w = r_o_x = cell (nfiles, 1);
93
94 curr_dir = pwd ();
95
96 for i = 1:nfiles
97 [info, err, msg] = stat (files{i});
98 if (! err)
99 r_n{i} = canonicalize_file_name (files{i});
100 r_a{i} = NaN;
101 r_s{i} = NaN;
102 r_h{i} = NaN;
103 r_d{i} = S_ISDIR (info.mode);
104 ## XXX FIXME XXX -- maybe we should have S_IRUSR etc. masks?
105 modestr = info.modestr;
106 r_u_r{i} = modestr(2) == "r";
107 r_u_w{i} = modestr(3) == "w";
108 r_u_x{i} = modestr(4) == "x";
109 r_g_r{i} = modestr(5) == "r";
110 r_g_w{i} = modestr(6) == "w";
111 r_g_x{i} = modestr(7) == "x";
112 r_o_r{i} = modestr(8) == "r";
113 r_o_w{i} = modestr(9) == "w";
114 r_o_x{i} = modestr(10) == "x";
115 else
116 status = false;
117 msgid = "fileattrib";
118 break;
119 endif
120 endfor
121 if (status)
122 r = struct ("Name", r_n, "archive", r_a, "system", r_s,
123 "hidden", r_s, "directory", r_d, "UserRead", r_u_r,
124 "UserWrite", r_u_w, "UserExecute", r_u_x,
125 "GroupRead", r_g_r, "GroupWrite", r_g_w,
126 "GroupExecute", r_g_x, "OtherRead", r_o_r,
127 "OtherWrite", r_o_w, "OtherExecute", r_o_x);
128 if (nargout == 0)
129 status = r;
130 else
131 msg = r;
132 endif
133 endif
134 else
135 usage ("fileattrib (file)");
136 endif
137
138 endfunction