pry--pry/lib/pry/commands/show_input.rb

class Pry
  class Command::ShowInput < Pry::ClassCommand
    match 'show-input'
    group 'Editing'
    description 'Show the contents of the input buffer for the current multi-line expression.'

    def process
      output.puts Code.new(eval_string).with_line_numbers
    end
  end

  Pry::Commands.add_command(Pry::Command::ShowInput)
end