Mercurial > hg > octave-lyh
annotate scripts/miscellaneous/perl.m @ 17392:8c5878260636
doc: Fix typo in fieldnames docstring.
* scripts/general/fieldnames.m: Eliminate stray parenthesis in docstring.
author | Rik <rik@octave.org> |
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date | Fri, 06 Sep 2013 08:35:59 -0700 |
parents | 1c89599167a6 |
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maint: update copyright notices for 2012
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1 ## Copyright (C) 2008-2012 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. Return output in @var{output} and optional status in |
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25 ## @var{status}. If @var{scriptfile} is not an absolute file name it is |
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26 ## is searched for in the current directory and then in the Octave loadpath. |
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27 ## @seealso{system, python} |
7675 | 28 ## @end deftypefn |
29 | |
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30 function [output, status] = perl (scriptfile = "-e ''", varargin) |
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31 |
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32 ## VARARGIN is intialized to {}(1x0) if no additional arguments are |
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33 ## supplied, so there is no need to check for it, or provide an |
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34 ## initial value in the argument list of the function definition. |
7675 | 35 |
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36 if (ischar (scriptfile) |
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37 && ( (nargin == 1 && ! isempty (scriptfile)) |
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38 || (nargin != 1 && iscellstr (varargin)))) |
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39 if (! strcmp (scriptfile(1:2), "-e")) |
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40 ## Attempt to find file in loadpath. No effect for absolute filenames. |
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41 scriptfile = file_in_loadpath (scriptfile); |
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42 endif |
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43 |
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Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance.
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44 [status, output] = system (["perl " scriptfile ... |
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45 sprintf(" %s", varargin{:})]); |
7675 | 46 else |
47 error ("perl: invalid arguments"); | |
48 endif | |
49 | |
50 endfunction | |
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maint: End m-files with 1 blank line.
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51 |