commands.rb

      
      OptionParser.new do |opts|
        opts.banner = %{Usage: show-doc [OPTIONS] [METH]
Show the comments above method METH. Tries instance methods first and then methods by default.
e.g show-doc hello_method
--
}
        opts.on("-M", "--instance-methods", "Operate on instance methods.") do 
          options[:M] = true
        end

        opts.on("-m", "--methods", "Operate on methods.") do 
          options[:m] = true
        end

        opts.on("-c", "--context CONTEXT", "Select object context to run under.") do |context|
          target = Pry.binding_for(target.eval(context))
        end

        opts.on_tail("-h", "--help", "This message.") do 
          output.puts opts
          options[:h] = true
        end
      end.order(args) do |v|
        meth_name = v
      end