    # File lib/chef/knife/node_show.rb, line 52
          def run
            ui.use_presenter Knife::Core::NodePresenter
            @node_name = @name_args[0]

            if @node_name.nil?
              show_usage
              ui.fatal("You must specify a node name")
              exit 1
            end

            node = Chef::Node.load(@node_name)
            output(format_for_display(node))
            self.class.attrs_to_show = []
          end