From: Milo Thurston Date: 2009-12-18T01:54:03+09:00 Subject: Re: Unique combination of values from arrays Aldric Giacomoni wrote: > ar1 = [ 'one', 'two' ] > ar2 = [ 'three', 'four' ] > ar3 = [ 'five', 'six' ] > > output: > > one,three,five > one,three,six > one,four,five > one,four,six > two,three,five > two,three,six > two,four,five > two,four,six > > Is that right? Indeed it is. > Are your arrays organized in an array of arrays? Can they be? You're right - I could easily organise them that way. The purpose is so that I can find all the unique combinations of parameters for different fields in SQL queries for some data I have. -- Posted via http://www.ruby-forum.com/.