I can't remember who asked this a while ago, but while I was  
stumbling through my Programming Ruby book,  I found a nice method in  
array that will instantly do the trick: Array#concat


a = [1, 2]
b = [3, 4]
a.concat(b) #=> [1, 2, 3, 4]

I can't remember if someone already posted this solution, but if not,  
here it is.

Ari
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Nietzsche is my copilot