/usr/share/octave/site/m/PLplot/plplot_octave_path.m is in octave-plplot 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | ## Copyright (C) 1998-2002 Joao Cardoso. -*- octave -*-
## Copyright (C) 2003 Rafael Laboissiere
##
## This program is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by the
## Free Software Foundation; either version 2 of the License, or (at your
## option) any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## This file is part of plplot_octave.
## path = plplot_octave_path([path])
##
## set or return the current directory path of octave_plplot scripts
function path = plplot_octave_path(path)
global __pl_plplot_octave_path
if (!exist("__pl_plplot_octave_path") || isempty(__pl_plplot_octave_path))
__pl_plplot_octave_path = "/usr/share/plplot_octave";
endif
if (nargin == 0)
path = __pl_plplot_octave_path;
elseif (nargin == 1 && ischar(path))
if (path(length (path)) != '/')
path = [path "//"];
elseif (path(length (path)-1) != '/')
path = [path "/"];
endif
__pl_plplot_octave_path = path;
else
help plplot_octave_path
endif
endfunction
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