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view toolboxes/graph_visualisation/graphViz4Matlab/util/addtosystempath.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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function addtosystempath(p)
% Add p to the system path. If p is already on the path, this does nothing.  
% Note, this change only persists for the duration of the Matlab session.
% Do not include path delimiters like ; or : .
% Example:
% addtosystempath('C:\Users\matt\bin');
    
    if isempty(getenv('PATH')) || all(cellfun(@(c)isempty(c),strfind(tokenize(getenv('PATH'),pathsep()),p)));
        setenv('PATH', [p, pathsep(), getenv('PATH'),]);
    end
    
end