Mercurial > octave
view scripts/miscellaneous/dos.m @ 23219:3ac9f9ecfae5 stable
maint: Update copyright dates.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 22 Feb 2017 12:39:29 -0500 |
parents | e9a0469dedd9 |
children | 092078913d54 |
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## Copyright (C) 2004-2017 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 ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} dos ("@var{command}") ## @deftypefnx {} {@var{status} =} dos ("@var{command}") ## @deftypefnx {} {[@var{status}, @var{text}] =} dos ("@var{command"}) ## @deftypefnx {} {[@dots{}] =} dos ("@var{command}", "-echo") ## Execute a system command if running under a Windows-like operating system, ## otherwise do nothing. ## ## Octave waits for the external command to finish before returning the exit ## status of the program in @var{status} and any output in @var{text}. ## ## When called with no output argument, or the @qcode{"-echo"} argument is ## given, then @var{text} is also sent to standard output. ## @seealso{unix, system, isunix, ismac, ispc} ## @end deftypefn ## Author: octave-forge ??? ## Adapted by: jwe function [status, text] = dos (command, echo_arg) if (nargin < 1 || nargin > 2) print_usage (); elseif (! isunix ()) [status, text] = system (command); if (nargin > 1 || nargout == 0) printf ("%s\n", text); endif endif endfunction %!test %! cmd = ls_command (); %! warning ("off", "Octave:undefined-return-values", "local"); %! [status, output] = dos (cmd); %! %! if (ispc () && ! isunix ()) %! [status, output] = dos (cmd); %! assert (status, 0); %! assert (ischar (output)); %! assert (! isempty (output)); %! else %! assert (status, []); %! assert (output, []); %! endif %!error dos () %!error dos (1, 2, 3)