From: "Erik Bågfors" <erik@...>
Date: 2002-06-03T07:57:43+09:00
Subject: Re: $a = 5; $b = 'a'; print $$b

On Mon, 2002-06-03 at 00:49, Philip Mak wrote:
> Hello,
> 
> I'm a seasoned Perl programmer trying to learn Ruby.
> 
> Is there a way a variable name can be variable? Like, how would I
> rewrite the following piece of Perl code in Ruby:
> 
> 	$a = 5;
> 	$b = 'a';
> 	print $$b; # should print 5
> 

a = 5
b = 'a'
puts eval b


> And can this be done with instance variables? I'm trying to do this:
> 
> class Series
>     attr_accessor :sid, :handle, :name
>     def initialize(vals) 
>         vals.each_key { |key|
>             @(key) = vals[key] # This doesn't work; syntax error

I don't understand what you are trying to do here.

/Erik

-- 
Erik B�gfors               | erik@bagfors.nu
Supporter of free software | GSM +46 733 279 273
fingerprint: 6666 A85B 95D3 D26B 296B 6C60 4F32 2C0B 693D 6E32