On Wed, Apr 11, 2012 at 02:34:01AM -0700, Linda Walsh wrote: > - for ((vl=$((v_level - 1)); $vl > 0; --vl))
The inside of the for ((...)) is already a math context. You don't need another $((...)) inside it. for ((vl = v_level - 1; vl > 0; --vl)) Or is that another "irrelevant detail"?