gistfile1.txt

var fs = require('fs');
var filePath = 'js/data/data.json';
var outputPath = 'sitemap.xml';
var date = new Date().toISOString();
var header = '<?xml version="1.0" encoding="UTF-8"?>\n<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">\n';
var baseUrl = 'http://getfreestuff.co/';

fs.readFile(filePath, 'utf8', function(err, data){
	var json = JSON.parse(data);
	var urls = [];
	for(var entry in json){
		urls.push(baseUrl+'#'+entry);
	}
	generateSiteMap(header, baseUrl, urls, outputPath);
});

function generateSiteMap(header, baseUrl, urls, outputPath){
	var outputFile = ""	;
	outputFile += header;
	outputFile += tag('url',tag('loc',baseUrl)+tag('lastmod',date))+'\n';
	for(var url in urls){
		outputFile += tag('url',tag('loc',urls[url])+tag('changefreq','weekly'))+'\n';
	}
	outputFile += '</urlset>';
	console.log(outputFile);
	fs.writeFile(outputPath, outputFile);
}

function tag(tag, data){
	return '<'+tag+'>'+data+'</'+tag+'>';
}