Doing a modulo in /bin/sh??

[Gary Kline]

	I can grab the results of "w=$date+%U)"; in C an use the modulo
	operator; is there a way to do this is /bin/sh?  ot zsh?

	tia, guys,

	gary

#/bin/sh
w=$(date +%U)
echo "w is $w";
(even=$(w % 2 ));       ## flubs.
echo "even is $even";       ## flubs.

if [ $even -eq 0 ]       ## flubs, obv'ly.
then
        echo "week is even";
else
        echo "week is odd";
fi





-- 
   Gary Kline     kline at thought.org   www.thought.org     Public service Unix