From: Jacob Fugal <lukfugl@...>
Date: 2005-12-23T07:53:13+09:00
Subject: Re: String > Integer Conversion Problem

def read_arguments
  arg0, arg1 = ARGV.map{ |n| Integer(n) }
  raise ArgumentError if arg0.nil? or arg0 < 0
  raise ArgumentError if arg1.nil? or arg1 < 0
  raise ArgumentError if arg0 > arg1
  return arg0, arg1
rescue ArgumentError
  print <<-USAGE
Usage
USAGE
  exit
end

a, b = read_arguments

# Jacob Fugal