From: Dan Fitzpatrick <dan@...>
Date: 2005-06-02T01:29:37+09:00
Subject: Re: Method Chaining Issues

aartist wrote:
> try this:
> string = "I am sold"
> string.sub!('old','new').reverse!;
> puts string
> 
> It works.
> 
> If string didn't contain the word 'old' then it  will fail.
> Is that a nice behavior?
> Can it be changed to work on whatever input?
> 
> 
You can remove the nil case like this:

(string.sub!('x','new') || string).reverse!

Dan