From: Brian Buckley <briankbuckley@...>
Date: 2006-04-03T21:02:01+09:00
Subject: Re: %w{tomato cheese ham pineapple}.join(', ', ' and ')

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One more tweak for the empty array if "" makes sense.

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

On 4/2/06, joey__ <cardologist@gmail.com> wrote:
>
> 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
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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