interactive

# File lib/rdoc/ri/driver.rb, line 1071
  def interactive
    puts "\nEnter the method name you want to look up."

    if defined? Readline then
      Readline.completion_proc = method :complete
      puts "You can use tab to autocomplete."
    end

    puts "Enter a blank line to exit.\n\n"

    loop do
      name = if defined? Readline then
               Readline.readline ">> "
             else
               print ">> "
               $stdin.gets
             end

      return if name.nil? or name.empty?

      name = expand_name name.strip

      begin
        display_name name
      rescue NotFoundError => e
        puts e.message
      end
    end

  rescue Interrupt
    exit
  end