From: Hassan Schroeder <hassan.schroeder@...>
Date: 2010-08-10T22:58:03+09:00
Subject: Re: Hel;p with Tip Calculator

On Tue, Aug 10, 2010 at 6:51 AM, Hd Pwnz0r
<human.dictionary@rocketmail.com> wrote:

>>   input_string.gsub(/\D/, '')

> tax.rb:6:in `<main>': undefined method `gsub' for 0:Fixnum
> (NoMethodError)
>
> When using that code.

Yes, it works on *strings* -- that was the problem you posed. If you
already have a *number*, it's not going to include any symbols like
"$" or "%" in the first place.

-- 
Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
twitter: @hassan