From: Damphyr <damphyr@...>
Date: 2006-02-22T04:25:26+09:00
Subject: Re: FILE test

Peter Hickman wrote:
> You will see this sort of thing in other scripting languages. __FILE__ 
> contains the name of the file source file and $0 is the name of the 
> currently executing script. So a file called hello.rb
> 
...
> when you run tom.rb the __FILE__ == $0 part of hello does not run as the 
> file hello.rb but the currently executing script is tom.rb. This allows 
> you to have a ruby file hold the class for inclusion by other scripts 
> and also be a utility script in it's own right.
> 
Not to mention the fact that it allows you to easily write unit tests 
for most of the code in a script.
V.-

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