1 ## Copyright (C) 2003-2012 John W. Eaton
3 ## This file is part of Octave.
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 3 of the License, or (at
8 ## your option) any later version.
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.
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
20 ## @deftypefn {Function File} {@var{filename} =} fullfile (@var{dir1}, @var{dir2}, @dots{}, @var{file})
21 ## Return a complete filename constructed from the given components.
22 ## @seealso{fileparts}
25 function filename = fullfile (varargin)
28 ## Discard all empty arguments
29 varargin(cellfun ("isempty", varargin)) = [];
30 nargs = numel (varargin);
32 filename = varargin{1};
33 if (strcmp (filename(end), filesep))
38 if (i < nargs && strcmp (tmp(end), filesep))
40 elseif (i == nargs && strcmp (tmp, filesep))
43 filename = cstrcat (filename, filesep, tmp);
46 filename = varargin{1};
56 %!shared fs, fsx, xfs, fsxfs, xfsy
58 %! fsx = cstrcat (fs, "x");
59 %! xfs = cstrcat ("x", fs);
60 %! fsxfs = cstrcat (fs, "x", fs);
61 %! xfsy = cstrcat ("x", fs, "y");
62 %!assert (fullfile (""), "")
63 %!assert (fullfile (fs), fs)
64 %!assert (fullfile ("", fs), fs)
65 %!assert (fullfile (fs, ""), fs)
66 %!assert (fullfile ("", fs), fs)
67 %!assert (fullfile ("x"), "x")
68 %!assert (fullfile ("", "x"), "x")
69 %!assert (fullfile ("x", ""), "x")
70 %!assert (fullfile ("", "x", ""), "x")
71 %!assert (fullfile ("x", "y"), xfsy)
72 %!assert (fullfile ("x", "", "y"), xfsy)
73 %!assert (fullfile ("x", "", "y", ""), xfsy)
74 %!assert (fullfile ("", "x", "", "y", ""), xfsy)
75 %!assert (fullfile (fs), fs)
76 %!assert (fullfile (fs, fs), fs)
77 %!assert (fullfile (fs, "x"), fsx)
78 %!assert (fullfile (fs, xfs), fsxfs)
79 %!assert (fullfile (fsx, fs), fsxfs)
80 %!assert (fullfile (fs, "x", fs), fsxfs)