Forwarded solution from Florian Gilcher:

> Date: February 29, 2008 8:20:11 PM EST
> Subject: Re: [QUIZ] Hello, world? (#158)
>
> Hi,
>
> I have a solution for Hello, world? This may not be the nicest one  
> (from a programming perspective), but i only hat 10 Minutes before  
> i'll head off on a vacation ;). But i somewhat liked the idea. It  
> uses a significant portion of the Ruby Core-Library, especially  
> some of the "Stars" ;).
>
> ['logger', 'webrick', 'drb'].map{|lib| require lib}
>
> puts [Hash, Enumerable, LocalJumpError, Logger, ObjectSpace, nil,  
> WEBrick, Object, Regexp, LoadError, DRb].inject("") {|string, klass|
>   unless klass.nil?
>     (string.empty? || string[-1..-1] == " ") ? string + klass.name 
> [0..0] : string + klass.name[0..0].downcase
>   else
>     string + " "
>   end
> }
>
> Greetings
> Florian Gilcher
>