[ale] simple math in bash

[kachline at cc.gatech.edu (Mike Kachline)]

On Sat, 15 Nov 1997, David Hamm wrote:

> I can't remember how to do simple math in bash.  I used to know but I cant find
<snip>

	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

							- Mike
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Michael Kachline - CS, Georgia Tech
kachline at cc.gatech.edu
http://brightstar.gt.ed.net/kachline/
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