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maint: Fix typos in comments where "intial" instead of "initial" used. * interpreter.h, octave-link.cc, lex.h, perl.m: Fix typos in comments where "intial" instead of "initial" used.
author Rik <rik@octave.org>
date Fri, 08 Feb 2019 16:40:56 -0800
parents 00f796120a6d
children b442ec6dda5c
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1 ## Copyright (C) 2008-2019 Julian Schnidder
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software: you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation, either version 3 of the License, or
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8 ## (at your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <https://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {} {@var{output} =} perl (@var{scriptfile})
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21 ## @deftypefnx {} {@var{output} =} perl (@var{scriptfile}, @var{argument1}, @var{argument2}, @dots{})
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22 ## @deftypefnx {} {[@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 filename it 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}
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30 ## @end deftypefn
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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 initialized 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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37
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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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46 [status, output] = system (["perl " scriptfile ...
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47 sprintf(" %s", varargin{:})]);
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48 else
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49 error ("perl: invalid arguments");
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50 endif
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51
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52 endfunction
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53
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55 %!error <invalid arguments> perl (123)