In the last episode (Jul 26), Peter Rosa said: > And what's wrong on [ 0 -gt 0 -a -lt 0]. -lt needs a number in front of it, since it does a less-than comparison. > > > Could you, please, explain the following line: [ $n -gt 0 -a $rc -lt 1 ] ... which means that $rc is probably empty. -- Dan Nelson dnelson at allantgroup.com