Mercurial > jwe > octave
annotate scripts/miscellaneous/perl.m @ 19215:c61deba773ab
Add BIST test to perl() and python().
* perl.m, python.m: Reformat docstring to have a single line description of
function first. Add BIST test.
author | Rik <rik@octave.org> |
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date | Sat, 04 Oct 2014 20:16:10 -0700 |
parents | d63878346099 |
children | cbce5d1bcaf9 |
rev | line source |
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maint: Update copyright notices for release.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2008-2013 Julian Schnidder |
7675 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
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 | |
7 ## the Free Software Foundation; either version 3 of the License, or (at | |
8 ## your option) any later version. | |
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 | |
16 ## along with Octave; see the file COPYING. If not, see | |
17 ## <http://www.gnu.org/licenses/>. | |
18 | |
19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {@var{output} =} perl (@var{scriptfile}) |
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21 ## @deftypefnx {Function File} {@var{output} =} perl (@var{scriptfile}, @var{argument1}, @var{argument2}, @dots{}) |
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22 ## @deftypefnx {Function File} {[@var{output}, @var{status}] =} perl (@dots{}) |
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23 ## Invoke Perl script @var{scriptfile}, possibly with a list of command line |
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24 ## arguments. |
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25 ## |
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26 ## Return output in @var{output} and optional status in @var{status}. If |
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27 ## @var{scriptfile} is not an absolute file name it is is searched for in the |
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28 ## current directory and then in the Octave loadpath. |
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29 ## @seealso{system, python} |
7675 | 30 ## @end deftypefn |
31 | |
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32 function [output, status] = perl (scriptfile = "-e ''", varargin) |
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33 |
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34 ## VARARGIN is intialized to {}(1x0) if no additional arguments are |
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35 ## supplied, so there is no need to check for it, or provide an |
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36 ## initial value in the argument list of the function definition. |
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38 if (ischar (scriptfile) |
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39 && ( (nargin == 1 && ! isempty (scriptfile)) |
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40 || (nargin != 1 && iscellstr (varargin)))) |
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41 if (! strcmp (scriptfile(1:2), "-e")) |
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42 ## Attempt to find file in loadpath. No effect for absolute filenames. |
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43 scriptfile = file_in_loadpath (scriptfile); |
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44 endif |
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45 |
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Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance.
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46 [status, output] = system (["perl " scriptfile ... |
333243133364
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47 sprintf(" %s", varargin{:})]); |
7675 | 48 else |
49 error ("perl: invalid arguments"); | |
50 endif | |
51 | |
52 endfunction | |
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53 |
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54 |
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55 %!error <invalid arguments> perl (123) |
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56 |