|
7017
|
1 ## Copyright (C) 2006, 2007 Daniel Sebald |
|
6087
|
2 ## |
|
6440
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
6087
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
7016
|
7 ## the Free Software Foundation; either version 3 of the License, or (at |
|
|
8 ## your option) any later version. |
|
6087
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
7016
|
16 ## along with Octave; see the file COPYING. If not, see |
|
|
17 ## <http://www.gnu.org/licenses/>. |
|
6087
|
18 |
|
6895
|
19 ## Undocumented internal function. |
|
|
20 |
|
6087
|
21 ## Return the version of gnuplot we are using. Note that we do not |
|
|
22 ## attempt to handle the case of the user switching to different |
|
|
23 ## versions of gnuplot during the same session. |
|
|
24 |
|
|
25 function version = __gnuplot_version__ () |
|
|
26 |
|
|
27 persistent __version__ = ""; |
|
|
28 |
|
|
29 if (isempty (__version__)) |
|
|
30 [status, output] = system (sprintf ("%s --version", gnuplot_binary ())); |
|
|
31 pattern = "^[^\\s]*\\s*([0-9]+\\.[0-9]+)\\s*[^\\s]*\\s*([^\\s]*)"; |
|
|
32 [d1, d2, d3, d4, matches] = regexp (output, pattern); |
|
|
33 if (iscell (matches) && numel (matches) > 0 && iscellstr (matches{1})) |
|
|
34 __version__ = matches{1}{1}; |
|
|
35 endif |
|
|
36 endif |
|
|
37 |
|
|
38 version = __version__; |
|
|
39 |
|
|
40 endfunction |
|
|
41 |
