Rails - Feb 2008 - Variable scope

Can any one please tell me, what is the exact scope of the following
variable types

 variable
 @variable
 @@variable

Thanks
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> Can any one please tell me, what is the exact scope of the following
> variable types
>
> variable
> @variable
> @@variable
You are not going to learn Ruby piecemeal, by asking mailing lists to do 
your homework for you. There are many fine Ruby language tutorials out 
there; get one and read it for a while. You will soak up all sorts of useful 
details!

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  Phlip
  http://www.oreillynet.com/ruby/blog/2008/02/assert2.html 




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