On Fri, Feb 15, 2002 at 03:22:39AM -0800, Giura Paul wrote: > Hi, > > In bash script this command work > x=15 > let x=$x-1 > But with SUN standard shell not work. The Bourne shell is a bit of hassle when it comes to arithmetic (and a lot of other things, for that matter). $ x=1 $ x=$((x-1)) $ echo $x 0 Regards, Nicholas Dronen