X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=octave_packages%2Fm%2Fmiscellaneous%2Frecycle.m;fp=octave_packages%2Fm%2Fmiscellaneous%2Frecycle.m;h=75288563cba3d900810bbd85f1d12bc54e09fb72;hb=1c0469ada9531828709108a4882a751d2816994a;hp=0000000000000000000000000000000000000000;hpb=63de9f36673d49121015e3695f2c336ea92bc278;p=CreaPhase.git diff --git a/octave_packages/m/miscellaneous/recycle.m b/octave_packages/m/miscellaneous/recycle.m new file mode 100644 index 0000000..7528856 --- /dev/null +++ b/octave_packages/m/miscellaneous/recycle.m @@ -0,0 +1,66 @@ +## Copyright (C) 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{current_state}} recycle () +## @deftypefnx {Function File} {@var{old_state}} recycle (@var{new_state}) +## Query or set the preference for recycling deleted files. +## +## Recycling files instead of permanently deleting them is currently not +## implemented in Octave. To help avoid accidental data loss it +## is an error to attempt enable file recycling. +## @seealso{delete} +## @end deftypefn + +## Author: jwe + +function retval = recycle (state) + + persistent current_state = "off"; + + if (nargin > 1) + print_usage (); + endif + + if (nargin == 0 || nargout > 0) + retval = current_state; + endif + + if (nargin == 1) + if (ischar (state)) + if (strcmpi (state, "on")) + error ("recycle: recycling files is not implemented"); + elseif (strcmpi (state, "off")) + current_state = "off"; + else + error ("recycle: invalid value of STATE = `%s'", state); + endif + else + error ("recycle: expecting STATE to be a character string"); + endif + endif + +endfunction + +%!error recycle ("on"); +%!error recycle ("on", "and I mean it"); +%!error recycle (1); + +%!test +%! recycle ("off"); +%! assert (recycle ("off"), "off");