From: Sam McCall <tunah.usenet@...>
Date: 2004-08-12T19:26:16+09:00
Subject: Re: getting object attributes

Joe Laughlin wrote:

> I want to do something similar to this:
> 
> class Foo
>   @goo = 2
>   @boo = 5
> end
> 
> foo = Foo.new
> 
> ["goo", "boo"].each do |attribute|
>   puts foo.attribute   # should print out 2 on the first loop, 5 on the
> second loop
> end
["@goo","@boo"].each do |attribute|
   puts foo.instance_variable_get attribute
end

Also:
foo.instance_variables.each do |attribute|
   puts foo.instance_variable_get attribute
   foo.instance_variable_set nil
end

Hope this helps.
Sam