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update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.
author John W. Eaton <jwe@octave.org>
date Wed, 08 Jan 2020 11:59:41 -0500
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children 0a5b15007766
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2008-2020 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {@var{output} =} perl (@var{scriptfile})
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28 ## @deftypefnx {} {@var{output} =} perl (@var{scriptfile}, @var{argument1}, @var{argument2}, @dots{})
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29 ## @deftypefnx {} {[@var{output}, @var{status}] =} perl (@dots{})
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30 ## Invoke Perl script @var{scriptfile}, possibly with a list of command line
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31 ## arguments.
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32 ##
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33 ## Return output in @var{output} and optional status in @var{status}. If
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34 ## @var{scriptfile} is not an absolute filename it is searched for in the
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35 ## current directory and then in the Octave loadpath.
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36 ## @seealso{system, python}
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37 ## @end deftypefn
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38
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39 function [output, status] = perl (scriptfile = "-e ''", varargin)
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40
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41 ## VARARGIN is initialized to {}(1x0) if no additional arguments are
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42 ## supplied, so there is no need to check for it, or provide an
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43 ## initial value in the argument list of the function definition.
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44
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45 if (ischar (scriptfile)
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46 && ( (nargin == 1 && ! isempty (scriptfile))
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47 || (nargin != 1 && iscellstr (varargin))))
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48 if (! strcmp (scriptfile(1:2), "-e"))
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49 ## Attempt to find file in loadpath. No effect for absolute filenames.
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50 scriptfile = file_in_loadpath (scriptfile);
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51 endif
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52
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53 [status, output] = system (["perl " scriptfile ...
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54 sprintf(" %s", varargin{:})]);
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55 else
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56 error ("perl: invalid arguments");
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57 endif
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58
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59 endfunction
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60
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61
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62 %!error <invalid arguments> perl (123)