X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=octave_packages%2Fm%2Fmiscellaneous%2Ffileparts.m;fp=octave_packages%2Fm%2Fmiscellaneous%2Ffileparts.m;h=cc33edb830581d0530fbcfdfd08144161f32c209;hb=1c0469ada9531828709108a4882a751d2816994a;hp=0000000000000000000000000000000000000000;hpb=63de9f36673d49121015e3695f2c336ea92bc278;p=CreaPhase.git diff --git a/octave_packages/m/miscellaneous/fileparts.m b/octave_packages/m/miscellaneous/fileparts.m new file mode 100644 index 0000000..cc33edb --- /dev/null +++ b/octave_packages/m/miscellaneous/fileparts.m @@ -0,0 +1,96 @@ +## Copyright (C) 2003-2012 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 +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {[@var{dir}, @var{name}, @var{ext}, @var{ver}] =} fileparts (@var{filename}) +## Return the directory, name, extension, and version components of +## @var{filename}. +## @seealso{fullfile} +## @end deftypefn + +function [directory, name, extension, version] = fileparts (filename) + + if (nargin == 1) + if (ischar (filename)) + ds = strchr (filename, filesep ("all"), 1, "last"); + if (isempty (ds)) + ds = 0; + endif + es = rindex (filename, "."); + ## These can be the same if they are both 0 (no dir or ext). + if (es <= ds) + es = length(filename)+1; + endif + if (ds == 0) + directory = ""; + elseif (ds == 1) + directory = filename(1); + else + directory = filename(1:ds-1); + endif + name = filename(ds+1:es-1); + if (es > 0 && es <= length (filename)) + extension = filename(es:end); + else + extension = ""; + endif + version = ""; + else + error ("fileparts: expecting FILENAME argument to be a string"); + endif + else + print_usage (); + endif + +endfunction + +%!test +%! [d, n, e] = fileparts ("file"); +%! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, "")); + +%!test +%! [d, n, e] = fileparts ("file.ext"); +%! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("/file.ext"); +%! assert (strcmp (d, "/") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("dir/file.ext"); +%! assert (strcmp (d, "dir") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("./file.ext"); +%! assert (strcmp (d, ".") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("d1/d2/file.ext"); +%! assert (strcmp (d, "d1/d2") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("/d1/d2/file.ext"); +%! assert (strcmp (d, "/d1/d2") && strcmp (n, "file") && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts ("/.ext"); +%! assert (strcmp (d, "/") && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext")); + +%!test +%! [d, n, e] = fileparts (".ext"); +%! assert (strcmp (d, "") && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext"));