Mercurial > octave
view scripts/miscellaneous/dos.m @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
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## Copyright (C) 2004-2020 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this distribution ## or <https://octave.org/COPYRIGHT.html/>. ## ## ## 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 {} {} 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 (); endif status = 1; text = ""; ## FIXME: Should this be ispc ()? There may be an issue with MinGW if (! isunix ()) [status, text] = system (command); if (nargin > 1 || nargout == 0) printf ("%s\n", text); endif endif endfunction %!test %! cmd = ls_command (); %! [status, output] = dos (cmd); %! %! if (ispc () && ! isunix ()) %! [status, output] = dos (cmd); %! assert (status, 0); %! assert (ischar (output)); %! assert (! isempty (output)); %! else %! assert (status, 1); %! assert (output, ""); %! endif %!error dos () %!error dos (1, 2, 3)