stdin.js

function listenForInput (callback) {
  process.stdout.write('Listening for input:');

  function onReadable () {
    var chunk = process.stdin.read();
    if (!chunk) return;

    console.log('Received: ', chunk.toString());

    // Remove the readable listener
    process.stdin.removeListener('readable', onReadable);

    // // Random trial and error with no success:
    // process.stdin.end();
    // process.stdin.push(null);
    // process.stdin.unshift(null);
    // process.stdin.read(0);

    // process.stdin._readableState.calledRead = false
    // process.stdin._readableState.needReadable = false
    // process.stdin._readableState.readableListening = false
    // process.stdin._readableState.reading = false

    console.log('Let\'s move on to the next one!');
    callback();
  }

  process.stdin.on('readable', onReadable);
}

function firstInputListener () {
  listenForInput(secondInputListener)
}

function secondInputListener () {
  listenForInput(finish);
}

function finish () {
  // We're done! I shouldn't have to call process.exit() OR wait for inputs!
  console.log('For some reason you have to enter another line! ( or just press enter) :(');
  console.log('Look! No "readable" events:');
  console.log(process.stdin._events);
  console.log('Press enter now... for whatever the reason... or process.exit()...')
}

firstInputListener();