lineuniq.rb i=[] while li = gets i.push(li.chomp) end puts i.uniq http://golf.shinh.org/p.rb?delete+duplicate+lines Ruby_ Rank User Size Time Date Statistics 1 usa 12 0.1568 07/03/07 23:34:51 0B / 4B / 8B 2 eban 12 0.1288 07/03/07 23:41:34…