Henrik wrote:

>I haven't been able to figure out how to write a destructive string 
>method of my own. How do I change the value of "self"?
>
ri String#replace

I don't know if that'll help, 'cause I don't know why this didn't work:

>	def upcase!
>	  self.old_upcase!
>	  self.tr!("", "")
>	end
>  
>
Devin