From: Rick DeNatale <rick.denatale@...>
Date: 2009-06-07T10:25:38+09:00
Subject: Re: New to Programming: Value of gets for just "Enter"

On Sat, Jun 6, 2009 at 7:50 PM, Matt Garriott<matt.garriott@gmail.com> wrote:
> Hello,
> I am new to programming in general, and I was having a difficult time
> figuring out the solution to this problem as well as thinking of good
> key words that would help me find the solution online.
>
> My problem is simply that I do not know what the value of a 'gets' that
> doesn't contain anything is. I want this program to end if someone just
> hits enter for the gets response, and I don't know how to represent that
> in the program itself.
>
> puts 'Enter as many words as you please, one per line. Press enter to
> quit.'
> array = []
> input = gets.chomp.downcase
> if input !=  # Not sure what should go here
>  while input != # Not sure what should go here
>    array.push input.capitalize
>    input = gets.chomp.downcase
>  end
> else
> end
> puts array.sort
>
> If anyone could help me out with this I would be very grateful. I am
> sure there is a very simple solution, but I have been looking around
> quite a bit, and have been unable to find anything.

It will return an empty string

if input != ""



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Rick DeNatale

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