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	Check out the ENV global variable.  It's not really a hash, but 
acts like one in every way shape and form.  If you'd like, you can 
actually turn it into a real hash... but now I'm just quoting from a 
wonderful book that has some info on it:

http://www.rubycentral.com/book/rubyworld.html
http://www.rubycentral.com/book/language.html

	-sc

> how can I access environment variables? 

-- 
Sean Chittenden

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