From: Rob Biedenharn <Rob@...>
Date: 2010-10-16T04:34:57+09:00
Subject: Re: Setting variable with either value

On Oct 15, 2010, at 3:07 PM, Paul Bergstrom wrote:
> Is there a better way to write this?
>
> @a = "abc"
>
> @a = @b if @b
>
> This will set value @a to @b if @b already have a value since  
> before. If
> not it will use the default @a which is "abc".

If I understand you, this will do that:

   @a = @b || "abc"

-Rob

Rob Biedenharn		
Rob@AgileConsultingLLC.com	http://AgileConsultingLLC.com/
rab@GaslightSoftware.com		http://GaslightSoftware.com/