From: sera@...
Date: 2005-02-05T07:30:17+09:00
Subject: Re: iteration the ruby way

I'd probably use Enumerable#each_with_index.

ary = [ 1, 2, 3, 4 ]
ary.each_with_index { |elt, i|
  if i < ary.size - 1
    puts elt
  else
    puts elt * 10
  end
}

which will output:

1
2
3
40