From: anon1m0us Date: 2007-02-07T04:30:10+09:00 Subject: Re: undefined method `empty?' for nil:NilClass (NoMethodError) I figured the answer: junk,CMachineShares[counter]=group.split(": ") CMachineShares[counter]=CMachineShares[counter].to_a #CMachineShares[counter].slice!("\n") CMachineShares[counter].delete_if {|x| x.empty?} puts CMachineShares[counter]