A TCP server that listens on the port given in command line arguments and writes the timestamp of connection to the connection

TimeServer.js

var net = require('net');
var port = process.argv[2];
var strftime = require('strftime');

var server = net.createServer(function (socket) {
    var timestamp = strftime('%F %H:%M', new Date());
    console.log(timestamp);
    socket.write(timestamp);
    socket.end();
});

server.listen(port);