$.tablesorter.addParser({
	id: 'filesize',
	is: function(s) {
		return s.match(new RegExp(/[0-9]+(\.[0-9]+)?\ (KiB|B|GiB|MiB|TiB)/));
	},
	format: function(s) {
		var suf = s.match(new RegExp(/(KiB|B|GiB|MiB|TiB)/))[1];
		var num = parseFloat(s.match(new RegExp(/^[0-9]+(\.[0-9]+)?/))[0]);
		switch (suf) {
		case 'B':
			return num;
		case 'KiB':
			return num * 1024;
		case 'MiB':
			return num * 1024 * 1024;
		case 'GiB':
			return num * 1024 * 1024 * 1024;
		case 'TiB':
			return num * 1024 * 1024 * 1024 * 1024;
		}
	},
	type: 'numeric'
});