From: dblack@...
Date: 2007-07-15T23:45:26+09:00
Subject: Re: gets

Hi --

On Sun, 15 Jul 2007, Robert Dober wrote:

> <snip>
>> 
>> That could get you into trouble:
>>
>>    $ echo -n "abc" | ruby -e 'puts gets.chomp!'
>>    nil
>> 
>> 
>> David
>
> Oh noooo
> of course David is right, let me be just a little be more explicit
> 507/7 > irb
> irb(main):001:0> 'ab'.chomp!
> => nil
> that really hurts

I specifically wanted to provide a gets-based example, but it's
certainly rooted in the fact that chomp! returns nil if nothing has
changed.


David

-- 
* Books:
   RAILS ROUTING (new! http://www.awprofessional.com/title/0321509242)
   RUBY FOR RAILS (http://www.manning.com/black)
* Ruby/Rails training
     & consulting:  Ruby Power and Light, LLC (http://www.rubypal.com)