IRC bot in Node.js

irc.js

var net = require('net')
  , util = require('util')
  , exec = require('child_process').exec;

var options = {
    PORT: 6667
  , HOST: 'irc.freenode.net'
  , NICK: 'Miska'
  , CHANNELS: [ '#node.js', '#javascript', '#randomChan' ]
  , USER: {
        ALLOWED: [ 'risto_' ]
  }
};

var command = [
    { match: /^PING/, emit: 'pong' }
  , { match: '@uptime', emit: 'uptime' }
];

var socket = net.connect(options.PORT, options.HOST, function() {
    console.log('Connection up to irc server');
});

socket.setEncoding('ascii');
socket.setNoDelay();

socket.on('connect', function() {

    setTimeout(function() {
        socket.write(util.format('NICK %s\n', options.NICK));
        socket.write(util.format('USER %s 8 *: %s\n', options.NICK, 'Full Name'));
        socket.write(util.format('JOIN %s\n', options.CHANNELS.join(','))); 
    }, 10000);
});

socket.on('timeout', function() {
    console.log('TIMEOUT for connection');
    console.log('Total of bytes written: ' + socket.bytesWritten);
});

/**
 * Custom command for bot send the uptime
 */
socket.on('uptime', function() {
    var child = exec('uptime', function(err, stdout, stderr) {
        if (err) throw err;
        else {
            options.CHANNELS.forEach(function(elem) {
                var response = util.format('PRIVMSG %s :%s\n', elem, stdout);
                console.log(response);
                socket.write(response);
            });
        }
    });
});

socket.on('pong', function() {
    console.log('PONG message back');
    socket.write('PONG\n');
});

socket.on('data', function(data) {
    var cleanedData = data.toString().trim();
    console.log(cleanedData);

    command.forEach(function(command) {
        if (cleanedData.match(command.match)) {
            socket.emit(command.emit);
        }
    });
});