Begin forwarded message:

> From: Joe <qbproger / gmail.com>
> Date: December 2, 2007 5:33:25 PM CST
> To: submission / rubyquiz.com
> Subject: Please Forward A Ruby Quiz Submission
>
> Submission for Postfix to Infix.
>
> stack = Array.new
> ARGV.first.split.each do |n|
>         if n.match(/[\d\.]+/) then
>                 stack.push n
>         else
>                 a,b = stack.pop,stack.pop
>                 stack.push "(#{b} #{n} #{a})"
>         end
> end
>
> puts stack.first
>
> Joe