Eric Blake wrote: > Bob Proulx wrote: > > But even expr is now obsoleted by built in shell math. Use ((...)) to > > perform the math in the shell with no external program calls. > > In bash, yes, but not portable. $(()) is standardized by POSIX, but > (()) is not, and has some surprising corner cases because it is not > standardized.
Thanks for that correction. With that in mind then am I justified in sticking with my old traditional expr use? It works everywhere! :-) Bob
