OptionParser for Rake task

gistfile1.txt

  task :add_args do
    args = ARGV[2..-1]
    options = {}
    OptionParser.new do |opts|
      opts.banner = "Usage: rake test:check_args [options]"
      opts.on("-o", "--one ARG", Integer) { |num1| options[:num1] = num1 }
      opts.on("-t", "--two ARG", Integer) { |num2| options[:num2] = num2 }
    end.parse!(args)
    puts options[:num1].to_i + options[:num2].to_i
    exit
  end