From: Omar Campos <hypermeister@...>
Date: 2009-11-24T10:18:12+09:00
Subject: What is __FILE__ and $0? (newbie question)

Hello everyone,

  I am new to Ruby, learning the basics, and the basics of FXRuby (I
know this is not the FXRuby forum, but I think this question pertains
Ruby per se).  I've noticed the "recommended" way of creating the main
app loop goes like this:

if __FILE__ == $0
  #main loop code
end

I've already done some GUI apps, and had no need of these wierd
variables.  But I am still curious, what do they mean?

Thanks for any info!
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