Mercurial > octave
view scripts/miscellaneous/delete.m @ 31237:e3016248ca5d
uifigure.m: Call set () only if varargin is not empty (bug #63088)
* uifigure.m: Call set () only if varargin is not empty.
author | John Donoghue <john.donoghue@ieee.org> |
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date | Wed, 21 Sep 2022 09:55:32 -0400 |
parents | 5d3faba0342e |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2004-2022 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 {} {} delete @var{file} ## @deftypefnx {} {} delete @var{file1} @var{file2} @dots{} ## @deftypefnx {} {} delete (@var{file}) ## @deftypefnx {} {} delete (@var{file1}, @var{file2}, @dots{}) ## @deftypefnx {} {} delete (@var{handle}) ## Delete the named file or graphics handle. ## ## @var{file} may contain globbing patterns such as @samp{*}. Multiple files ## to be deleted may be specified in the same function call. ## ## @var{handle} may be a scalar or vector of graphic handles to delete. ## ## Programming Note: Deleting graphics objects is the proper way to remove ## features from a plot without clearing the entire figure. ## @seealso{clf, cla, unlink, rmdir} ## @end deftypefn function delete (varargin) if (nargin == 0) print_usage (); endif if (iscellstr (varargin)) for arg = varargin if (ispc ()) files = __wglob__ (arg{1}); else files = glob (arg{1}); endif if (isempty (files)) warning ("Octave:delete:no-such-file", ... "delete: no such file: %s", arg{1}); endif for i = 1:length (files) file = files{i}; [err, msg] = unlink (file); if (err) warning ("Octave:delete:unlink-error", ... "delete: %s: %s", file, msg); endif endfor endfor elseif (isscalar (varargin) && all (ishghandle (varargin{1}(:)))) ## Delete a graphics object. __go_delete__ (varargin{1}); else error ("Octave:delete:unsupported-object", ... "delete: first argument must be a filename or graphics handle"); endif endfunction %!test %! unwind_protect %! file = tempname (); %! tmp_var = pi; %! save (file, "tmp_var"); %! assert (exist (file, "file")); %! delete (file); %! assert (! exist (file, "file")); %! unwind_protect_cleanup %! sts = unlink (file); %! end_unwind_protect %!test %! unwind_protect %! hf = figure ("visible", "off"); %! hl = plot (1:10); %! assert (get (gca, "children"), hl); %! delete (hl); %! assert (get (gca, "children"), zeros (0,1)); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect ## Test input validation %!error <Invalid call> delete () %!error <first argument must be a filename> delete (struct ())