1 ## Copyright (C) 2000 Etienne Grossmann <etienne@egdn.net>
2 ## Copyright (C) 2012 Olaf Till <i7tiol@t-online.de>
4 ## This program is free software; you can redistribute it and/or modify it under
5 ## the terms of the GNU General Public License as published by the Free Software
6 ## Foundation; either version 3 of the License, or (at your option) any later
9 ## This program is distributed in the hope that it will be useful, but WITHOUT
10 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14 ## You should have received a copy of the GNU General Public License along with
15 ## this program; if not, see <http://www.gnu.org/licenses/>.
18 ## @deftypefn {Built-in Function} {} [@var{v1},...] =
19 ## getfields (@var{s}, 'k1',...) = [@var{s}.k1,...]
20 ## Return selected values from a scalar struct. Provides some
21 ## compatibility and some flexibility.
23 ## @seealso{setfields,rmfield,isfield,isstruct,struct}
25 function [varargout] = getfields (s, varargin)
27 if (! all (isfield (s, varargin)))
28 error ("some fields not present");
31 if (all (size (s) <= 1))
32 varargout = fields2cell (s, varargin);
34 error ("structure must be scalar or empty");
39 %!assert (getfields (struct ('key', 'value'), 'key'), 'value');