Node Daemon to watch file change and send to email

stdmail.js

/*
Node filewatch to email module by Guilherme Martinez Sampaio
require npm, daemon and mail

Make sure to change the configuration object

To install:
npm: curl http://npmjs.org/install.sh | sh
daemon: npm install daemon
mail: npm install mail

*/

var configuration = {
    file:'/tmp/test',
    smtp_config: {
        host: 'smtp.gmail.com',
        username: '[email protected]',
        password: '**password**'
    },
    mail_properties: {
        from: '[email protected]',
        to: ['[email protected]'],
        subject: 'Email Subject'
    },
    daemon: {
        log_file: '/tmp/stdmail.log',
        pid_file: '/tmp/stdmail.pid'
    },
    timeout: 1000,
};

var daemon = require('daemon');
var fs = require('fs');
var email = require('mail').Mail({
    host: configuration.smtp_config.host,
    username: configuration.smtp_config.username,
    password: configuration.smtp_config.password
});

var currentDate = new Date();

var file = configuration.file;

function execute() {
    setTimeout(checkFile, configuration.timeout);
}

function checkFile() {
    fs.stat(file, function(err, stats){
        if (stats.mtime.getTime() > currentDate.getTime()) {
            currentDate = stats.mtime;
            sendEmail();
        }
    });
    execute();
}

function sendEmail () {
    var data = fs.readFileSync(file, 'ascii');
    email.message({
        from: configuration.mail_properties.from,
        to: configuration.mail_properties.to,
        subject: configuration.mail_properties.subject
    }).body(data).send(function(err) {});
    console.log(data);
}

console.log("Starting File Watcher Daemon");
execute();

fs.open(configuration.daemon.log_file, 'w+', function (err, fd) {
    daemon.start(fd);
    daemon.lock(configuration.daemon.pid_file);
});