I've looked at the busybox source, and it appears to me that bash compatibility that is added to the Almquist shell is a very thin veneer, not much more than de

I've looked at the busybox source, and it appears to me that bash compatibility that is added to the Almquist shell is a very thin veneer, not much more than defining [[ as an alias for [ (test). If you're looking for arrays, you will be sorely disappointed AFAIK.