From: Cristi BALAN <mental@...>
Date: 2005-07-29T19:18:11+09:00
Subject: Re: [newbie] make local var visible

On 7/29/05, "Pe�a, Botp" <botp@delmonte-phil.com> wrote:
> Hi All,
> 
> I may not be feeling well today, so pardon me pls.
> 
> I am modifying/cleaning many scripts here (most of them just a page long,
> two at most, and most of them coming fr perl/bash origin).
> 
> I encountered a wall though.
> 
> Consider,
> 
> >cat test.rb
> 
> #sample script---------------->8
> foo=["a","b","c"]
> 
> def mfoo
>    foo.each do |f|
>        p f
>    end
> end
> 
> # go-go-go!
> mfoo
> #end sample script------------>8
> 
> i just enclosed the some commands with def mfoo / end to make a new method
> mfoo and make my script cleaner, and besides, i may be calling mfoo again.
> 
> running the above, i get:
> 
> >test.rb
> 
> >test.rb:4:in `mfoo': undefined local variable or method `foo'
>        from test.rb:9
> 
> 
> So how can i force foo visible to mfoo()?
> 
> Thanks in advance.
> -botp
> 
> 
> 

I usually use globals...  *duck*

but, the following also works since, it think?, all ruby code is
inside class Object ... end

@foo = [1, 2, 3]
class Object
  attr_accessor :foo
end

def mfoo
  puts foo.inspect
end

mfoo

hope this helps

-- 
Cristi BALAN