Bob Showalter wrote: > > Well, it only works for integers. It's because of the way ^ > (bitwise xor) works. Given x=0 and y=1, for instance: > > x = x ^ y y = y ^ x x = x ^ y > x = 0 ^ 1 y = 1 ^ 1 x = 1 ^ 0 > x = 1 y = 0 x = 1
Actually in perl it works with strings as well. :-) $ perl -le' $x = "abcde"; $y = "fgh"; print "\$x = $x \$y = $y"; $x ^= $y; $y ^= $x; $x ^= $y; print "\$x = $x \$y = $y"; ' $x = abcde $y = fgh $x = fgh $y = abcde John -- use Perl; program fulfillment -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
