.pryrc

Pry::Commands.create_command 'echo' do
  description 'Echo the input'
  banner <<-BANNER
    Usage: echo [ -j <joiner> ] <words>

  BANNER

  def setup
    @joiner = ' '
  end

  def options(opt)
    opt.on :j, :joiner=, "Joins using", true do |c|
      @joiner = c
    end
  end

  def process
    output.puts args.join(@joiner)
  end
end