update packages

[CreaPhase.git] / octave_packages / m / miscellaneous / fileattrib.m

diff --git a/octave_packages/m/miscellaneous/fileattrib.m b/octave_packages/m/miscellaneous/fileattrib.m
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+## Copyright (C) 2005-2012 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {[@var{status}, @var{result}, @var{msgid}] =} fileattrib (@var{file})
+## Return information about @var{file}.
+##
+## If successful, @var{status} is 1, with @var{result} containing a
+## structure with the following fields:
+##
+## @table @code
+## @item Name
+## Full name of @var{file}.
+##
+## @item archive
+## True if @var{file} is an archive (Windows).
+##
+## @item system
+## True if @var{file} is a system file (Windows).
+##
+## @item hidden
+## True if @var{file} is a hidden file (Windows).
+##
+## @item directory
+## True if @var{file} is a directory.
+##
+## @item UserRead
+## @itemx GroupRead
+## @itemx OtherRead
+## True if the user (group; other users) has read permission for
+## @var{file}.
+##
+## @item UserWrite
+## @itemx GroupWrite
+## @itemx OtherWrite
+## True if the user (group; other users) has write permission for
+## @var{file}.
+##
+## @item UserExecute
+## @itemx GroupExecute
+## @itemx OtherExecute
+## True if the user (group; other users) has execute permission for
+## @var{file}.
+## @end table
+## If an attribute does not apply (i.e., archive on a Unix system) then
+## the field is set to NaN.
+##
+## With no input arguments, return information about the current
+## directory.
+##
+## If @var{file} contains globbing characters, return information about
+## all the matching files.
+## @seealso{glob}
+## @end deftypefn
+
+function [status, msg, msgid] = fileattrib (file)
+
+  status = true;
+  msg = "";
+  msgid = "";
+
+  if (nargin == 0)
+    file = ".";
+  endif
+
+  if (ischar (file))
+    files = glob (file);
+    if (isempty (files))
+      files = {file};
+      nfiles = 1;
+    else
+      nfiles = length (files);
+    endif
+  else
+    error ("fileattrib: expecting first argument to be a character string");
+  endif
+
+  if (nargin == 0 || nargin == 1)
+
+    r_n = r_a = r_s = r_h = r_d ...
+        = r_u_r = r_u_w = r_u_x ...
+        = r_g_r = r_g_w = r_g_x ...
+        = r_o_r = r_o_w = r_o_x = cell (nfiles, 1);
+
+    curr_dir = pwd ();
+
+    for i = 1:nfiles
+      [info, err, msg] = stat (files{i});
+      if (! err)
+        r_n{i} = canonicalize_file_name (files{i});
+        r_a{i} = NaN;
+        r_s{i} = NaN;
+        r_h{i} = NaN;
+        r_d{i} = S_ISDIR (info.mode);
+        ## FIXME -- maybe we should have S_IRUSR etc. masks?
+        modestr = info.modestr;
+        r_u_r{i} = modestr(2) == "r";
+        r_u_w{i} = modestr(3) == "w";
+        r_u_x{i} = modestr(4) == "x";
+        r_g_r{i} = modestr(5) == "r";
+        r_g_w{i} = modestr(6) == "w";
+        r_g_x{i} = modestr(7) == "x";
+        r_o_r{i} = modestr(8) == "r";
+        r_o_w{i} = modestr(9) == "w";
+        r_o_x{i} = modestr(10) == "x";
+      else
+        status = false;
+        msgid = "fileattrib";
+        break;
+      endif
+    endfor
+    if (status)
+      r = struct ("Name", r_n, "archive", r_a, "system", r_s,
+                  "hidden", r_s, "directory", r_d, "UserRead", r_u_r,
+                  "UserWrite", r_u_w, "UserExecute", r_u_x,
+                  "GroupRead", r_g_r, "GroupWrite", r_g_w,
+                  "GroupExecute", r_g_x, "OtherRead", r_o_r,
+                  "OtherWrite", r_o_w, "OtherExecute", r_o_x);
+      if (nargout == 0)
+        status = r;
+      else
+        msg = r;
+      endif
+    endif
+  else
+    print_usage ();
+  endif
+
+endfunction