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## 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 = "@PLPLOT_OCTAVE_DIR@";
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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