On Sun, Sep 27, 2015 at 11:25:40PM +0900, Osamu Aoki wrote: > Currently, 0~0~0~0~0~0dummy is use as the lowest value, so let me think > about using zzzzzz as the highest one. It works ... but there seem to be a bit elegant solution here with grep. Anyway, tested and works. Let me play a bit more ...