simple lines for read from/print to terminal

io-with-terminal.js

process.stdin.resume();
process.stdin.setEncoding('ascii'); // 'utf-8' also supported 

let _input = "";

process.stdin.on('data', function (data) {
  _input += data;
});

process.stdin.on('end', function () {
  process.stdout.write(_input);
});

/*
// usage example
// you need to create a readstream which has and 'end' signal
// in the terminal
$ cat <file> | node io-with-terminal.js
*/