# File lib/chef/shef/ext.rb, line 84
      def explain_command(method_name)
        help = self.all_help_descriptions.find { |h| h.cmd.to_s == method_name.to_s }
        if help
          puts ""
          puts "Command: #{method_name}"
          puts "".ljust(80, "=")
          puts help.explanation || help.desc
          puts "".ljust(80, "=")
          puts ""
        else
          puts ""
          puts "command #{method_name} not found or no help available"
          puts ""
        end
      end