Mercurial > octave
view scripts/miscellaneous/isfile.m @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 09:52:15 -0500 |
parents | bd51beb6205e |
children | 7854d5752dd2 |
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######################################################################## ## ## Copyright (C) 2018-2021 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## 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 ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {@var{tf} =} isfile (@var{f}) ## Return true if @var{f} is a regular file and false otherwise. ## ## If @var{f} is a cell array of strings, @var{tf} is a logical array of the ## same size. ## @seealso{isfolder, exist, stat, is_absolute_filename, is_rooted_relative_filename} ## @end deftypefn function retval = isfile (f) if (nargin != 1) print_usage (); endif if (! (ischar (f) || iscellstr (f))) error ("isfile: F must be a string or cell array of strings"); endif f = cellstr (f); retval = false (size (f)); for i = 1:numel (f) [info, err] = stat (f{i}); retval(i) = (! err && S_ISREG (info.mode)); endfor endfunction %!shared mfile %! mfile = which ("isfile"); %!assert (isfile (mfile)) %!assert (! isfile (tempdir ())) %!assert (isfile ({mfile, pwd()}), [true, false]) %!assert (isfile ({mfile; pwd()}), [true; false]) %!test %! unwind_protect %! tmp = tempname (); %! [d, n] = fileparts (tmp); %! assert (! isfile (tmp)); %! save ("-text", tmp, "tmp"); # cheap way to create a file %! assert (isfile (tmp)); %! addpath (d); %! assert (! isfile (n)); %! unwind_protect_cleanup %! try, unlink (tmp); end_try_catch %! try, rmpath (d); end_try_catch %! end_unwind_protect ## Test input validation %!error isfile () %!error isfile ("a", "b") %!error <F must be a string> isfile (1.0)