From: Kim Pedersen <kimersen@...>
Date: 2006-08-06T03:11:40+09:00
Subject: Iterating over an array n element at a time

Is there an elegant way to iterate over an array n elements at a time?
e.g. something like...

a = [1,1,1,2,2,2,3,3,3]

a.each(3) do |x,y,z|
    print x,y,z,"\n"
end

prints...
111
222
333

//kim