From: Jean-Julien Fleck <jeanjulien.fleck@...>
Date: 2010-03-26T05:50:33+09:00
Subject: Re: All contiguous subsets

Hello,

> Isn't there a cleaner way?

Perhaps you could use each_cons (from 1.8.7):

str = "1 2 3 4"
arr = str.split
arr.size.downto(1) do |i|
  arr.each_cons(i) {|a| puts a.join(' ')}
end

Cheers,

-- 
JJ Fleck
PCSI1 Lycée Kléber