if (~isdeployed)
    p = [pathsep,...
        DEFAULT_PATH_FILE,[ 'tsg_util' pathsep],...
        DEFAULT_PATH_FILE,[ 'tsg_data' pathsep],...
        DEFAULT_PATH_FILE,[ 'tsg_io'   pathsep]
        ];
    addpath( p, '-end' );
    rehash;
end