From: joey__ <cardologist@...>
Date: 2006-04-03T03:52:38+09:00
Subject: Re: %w{tomato cheese ham pineapple}.join(', ', ' and ')

class Array
def join_sentence
          case length
            when 1
              self[0]
            when 2
              "#{self[0]} and #{self[1]}"
            else
              "#{self[0...-1].join(', ')} and #{self[-1]}"
          end
end
end

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