From: Douglas F Shearer <dougal.s@...>
Date: 2007-08-21T01:28:22+09:00
Subject: Re: Assignment as a reference?


On 20 Aug 2007, at 17:20, Morgan Grubb wrote:
> foo = 'bar' #=> bar
> foo2 = foo #=> bar
> foo.gsub! 'bar', 'wibble' #=> wibble
> foo2 #=> wibble

What you have experienced is reference assignment. If you wish to  
duplicate only the content, and not the reference, then you should to  
use .dup.

 > foo = "bar"
=> "bar"
 > foo2 = foo.dup
=> "bar"
 > foo = "wibble"
=> "wibble"
 > foo2
=> "bar"

Hope this helps you out.

Douglas F Shearer
dougal.s@gmail.com
http://douglasfshearer.com