From: Mitchell Koch <mitchell@...>
Date: 2006-07-26T14:11:24+09:00
Subject: Re: Learn to program (Chris Pine) array.sort

* Geoff <samekh@gmail.com> [060725 23:55]:
> "Let's write a program which asks us to type in as many words as we
> want (one word per line, continuing until we just press Enter on an
> empty line), and which then repeats the words back to us in
> alphabetical order."
> 
> Problem is I would actually like to know how to solve the problem as
> written! So when I use "while input != "something goes here and I'm
> not sure what to use to designate a blank line." Then I can eliminate
> the second to the last line.

I would think "\n" would designate a blank line, or you could chomp
first and check to see if its empty; here's my solution:

wordlist = []
while line = gets
  if line.chomp!.empty?
    puts wordlist.sort
    exit
  else
    wordlist << line
  end
end

Mitchell