run

# File lib/rdoc/ri/driver.rb, line 1422
  def run
    if @list_doc_dirs then
      puts @doc_dirs
    elsif @list then
      list_known_classes @names
    elsif @server then
      start_server
    elsif @interactive or @names.empty? then
      interactive
    else
      display_names @names
    end
  rescue NotFoundError => e
    abort e.message
  end