Readline Interface
Readline allows reading of a stream (such as process.stdin) on a line-by-line basis.
Readline allows reading of a stream (such as process.stdin) on a line-by-line basis. To use this module, do require('readline'). Note that once you've invoked this module, your Node.js program will not terminate until you've closed the interface.
https://nodejs.org/api/readline.html
Readline Options
Readline Options
Readline Interface
https://nodejs.org/api/readline.html#readline_class_interface