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[ale] simple math in bash
- Subject: [ale] simple math in bash
- From: chrish at ifsintl.com (Chris Hamilton)
- Date: Mon, 17 Nov 1997 18:16:14 -0500 (EST)
> > I can't remember how to do simple math in bash. I used to know but I cant find
> Don't know whether there is an easier way, but, I have always
> used "dc" to do math in shell scripts. Ex, adding 1 + 1 would be:
> echo "1 1 + p q" | dc
I either use bc (interactively) or expr.
E.g. $ expr 1 + 1
Christopher Hamilton Internal System Administrator
chrish at ifsintl.com IFS International, Inc.