From: Todd Benson Date: 2008-02-03T15:02:14+09:00 Subject: Re: Learn to Program, by Chris Pine On Feb 2, 2008 8:49 PM, Todd Benson wrote: > Actually, better production code that keeps in line with OO concepts would be... > > class Integer > ROMAN = { > 1 => "I", > 5 => "V", > 10 => "X", > 50 => "L", > 100 => "C", > 500 => "D", > 1000 => "M" > } > > def roman > number, roman_string = self, "" > ROMAN.keys.sort.reverse.each do |key| > roman_string << (ROMAN[n] * (number/key) > n %= key > end > roman_string > end > end > > #usage > puts 2137.roman > # => "MMCCCXVII" > > I'm pretty sure there were better and more thorough examples at > http://www.rubyquiz.com/quiz22.html. gsub('number', 'n') on that code...and there's a missing parenthesis ")" number/key line Yeah, yeah That's what I get for not using cut and paste :-) Todd