Sven Neuhaus <sn@neopoly.com> wrote: > 55. Duh. I shall quit for now. Promised. > perl -lne '$x=$_;($_&$x)=~/$_|$x/&&print"$x $_"for keys%a;$a{$x}=1' Why the hash? Using an array is 4 shorter: perl -lne '$x=$_;($_&$x)=~/$_|$x/&&print"$x $_"for@a;push@a,$x' -- Keith C. Ivey <kcivey@cpcug.org> Washington, DC ==== Want to unsubscribe from Fun With Perl? Well, if you insist... ==== Send email to <fwp-request@technofile.org> with message _body_ ==== unsubscribe