[Strangely this thread has completely disappeared from our server! However I read this response on Google, and just had to reply!] "Kroeger, Simon (ext)" <simon.kroeger.... / siemens.com> wrote: > maybe > listA=["line1","line2","line3"] > listB=["line5","line3","line4"] > puts(listA & listB) > #=> line3 Ooh, yes! Isn't ruby a cute language...! Thanks for jolting my preconceptions! -- Pete --