class Selenium::WebDriver::Firefox::Binary

def version

def version
  @version = case Platform.os
             when :macosx
               `#{path} -v`.strip[/[^\s]*$/][/^\d+/].to_i
             when :windows
               `\"#{path}\" -v | more`.strip[/[^\s]*$/][/^\d+/].to_i
             when :linux
               `#{path} -v`.strip[/[^\s]*$/][/^\d+/].to_i
             else
               0
             end
end