hello thor cli

hello.rb

require 'rubygems'
require 'thor'

class HelloCli < Thor
  desc "hi", "Say hi"
  def hi
    puts "hi !"
  end

  desc "bye", "Say goodbye"
  def bye
    puts "bye !"
  end

  desc "hello NAME", "Say hello to <NAME>"
  method_options loudly: false
  def hello(name)
    puts "hello #{options[:loudly] ? name.upcase : name}!"
  end
end

HelloCli.start