From: Christoph Blank <cb@...>
Date: 2009-02-11T19:22:21+09:00
Subject: Method to get string combinations

Hi,

I have a text like this:

"This {is|was} a {good|nice} day" and want to generate possible
combinations like:

This is a good day
This was a good day
This is a nice day
This was a nice day

I tried using zsh functionality to output this, but it doesn't seem that
easy.
Does anyone know an easy way how to do this in ruby?

Thank you.
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