///|
fn wants_json_output(args : Array[String]) -> Bool {
  for index in 0.. println(output)
    Err(message) => {
      if wants_json_output(args) && message.has_prefix("{") {
        println(message)
      } else {
        println("error: " + message)
      }
      @sys.exit(1)
    }
  }
}