node.js script to convert XML to JSON. Saves a file called converted.json to the input file's directory. Usage: node convert_js_to_json.js filename.xml [pretty]

convert_xml_to_json.js

var xml2js = require("xml2js");
var fs = require("fs");
var path = require("path");

if (process.argv.length < 2) 
	throw new Exception("Usage: node " + process.argv[1] + " filename [pretty]");

var filename = process.argv[2];
var pretty = (process.argv[3] && process.argv[3] == "pretty" ? true : false);
var outputDirectory = path.dirname(filename) || __dirname;

fs.readFile(filename, function(err, data) {
	if (err) throw err;
	var parser = new xml2js.Parser();
	parser.parseString(data, function (err, result) {
		var outputFilename = outputDirectory + "/converted.json";
		var jsonString = (pretty ? JSON.stringify(result, null, 2) : JSON.stringify(result));
		fs.writeFile(outputFilename, jsonString, function (err) {
			if (err) throw err;
			console.log("File has been saved as " + outputFilename);
		});
	});
});