class Cucumber::Cli::Configuration

def build_formatter_broadcaster(step_mother)
  return Formatter::Pretty.new(step_mother, nil, @options) if @options[:autoformat]
  formatters = @options[:formats].map do |format, out|
    if String === out # file name
      out = File.open(out, Cucumber.file_mode('w'))
      at_exit do
        out.flush
        out.close
      end
    end
  
    begin
      formatter_class = formatter_class(format)
      formatter_class.new(step_mother, out, @options)
    rescue Exception => e
      exit_with_error("Error creating formatter: #{format}", e)
    end
  end

  broadcaster = Broadcaster.new(formatters)
  broadcaster.options = @options
  return broadcaster
end