From: David Balmain Date: 2006-07-19T12:09:33+09:00 Subject: Re: Integer encoding challenge On 7/19/06, Yohanes Santoso wrote: > "David Balmain" writes: > > > Hey all, > > > > I need to come up with a way to encode an integer as a string so that > > it will sort correctly lexicographically. This is pretty easy when you > > have a fixed integer range but how do you do it with Ruby's BigNums? > > Any ideas? > > > > Cheers, > > Dave > > def encode_integer(num) > "x"*num > end > > Do I win something? > > YS. Nice idea :P But how about negative numbers.