# File lib/gist.rb, line 513
  def clipboard_command(action)
    command = CLIPBOARD_COMMANDS.keys.detect do |cmd|
      which cmd
    end
    raise ClipboardError, "Could not find copy command, tried:\n\#{CLIPBOARD_COMMANDS.values.join(' || ')}\n" unless command
    action == :copy ? command : CLIPBOARD_COMMANDS[command]
  end