原文:https://***.com/a/6488335/2724079

这也可以通过 IO.expect 来实现

This can also be accomplished with IO.expect

require 'pty'
require 'expect'

PTY.spawn("play new calimero") do |reader, writer|
  reader.expect(/What is the application name/)
  writer.puts("\n")
end

这会等待生成的进程显示应用程序名称是什么"，并且当它看到打印定义的字符串(新行)时.

This waits for the spawned process to display "What is the application name" and when it sees that prints a defined string (new line).