From: "Brian Schröder" Date: 2005-05-25T18:59:18+09:00 Subject: Re: options parsing: required and conflict > [snip example] Should have been - raise "Specify at least on out of o1 or o2" unless self.o1 or self.o2 + raise "Specify at least one out of o1 or o2" unless self.o1 or self.o2 sorry for this. best regards, Brian -- http://ruby.brian-schroeder.de/ Stringed instrument chords: http://chordlist.brian-schroeder.de/