I think you want if (($a >> $b) & 1) { ... }. That checks to see if the $b'th bit (from the right) is on.
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re: Help comparing data in byte by shifting (>>) bits by japhy
in thread Help comparing data in byte by shifting (>>) bits by unixhome

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