Mercurial > octave
view scripts/miscellaneous/recycle.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 | 796f54d4ddbf |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2012-2022 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 {} {@var{val} =} recycle () ## @deftypefnx {} {@var{old_val} =} recycle (@var{new_val}) ## Query or set the preference for recycling deleted files. ## ## When recycling is enabled, commands which would permanently erase files ## instead move them to a temporary location (such as the directory labeled ## Trash). ## ## Programming Note: This function is provided for @sc{matlab} compatibility, ## but recycling is not implemented in Octave. To help avoid accidental data ## loss an error will be raised if an attempt is made to enable file recycling. ## @seealso{delete, rmdir} ## @end deftypefn function val = recycle (new_val) persistent current_state = "off"; if (nargin == 0 || nargout > 0) val = current_state; endif if (nargin == 1) if (! ischar (new_val)) error ("recycle: NEW_VAL must be a character string"); endif if (strcmpi (new_val, "on")) error ("recycle: recycling files is not implemented"); elseif (strcmpi (new_val, "off")) current_state = "off"; else error ("recycle: invalid value '%s'", new_val); endif endif endfunction %!test %! recycle ("off"); %! assert (recycle ("off"), "off"); %!error recycle ("on", "and I mean it") %!error <NEW_VAL must be a character string> recycle (1) %!error <recycling files is not implemented> recycle ("on") %!error <invalid value 'foobar'> recycle ("foobar")