demo.js

// usage: node demo.js OR node demo.js <number>
var graph    = require('fbgraph')

graph.setAccessToken('<get one here https://developers.facebook.com/tools/explorer>');
graph.setGraphVersion('2.0');

function explode (err) {
	console.error(err);
	process.exit(1);
};

function processPosts (url, callback, total) {
	console.log(url);
	total = total || 0;
	graph.get(url, function (err, res) {
		if (err) explode(err);
		if (res.data.length === 0) return callback(total);
		processPosts(res.paging.next, callback, total + res.data.length);
	});
}

var limit = process.argv[2] || 25; 
processPosts('163844093817909/feed?fields=created_time&limit=' + limit, function (total) {
	console.log("Total was " + total);
	process.exit(0);
});