Simple JSON parsing command line tool

json.js

#!/usr/local/bin/node

/**
*	Example usage:
*
* curl https://api.twitter.com/1/statuses/public_timeline.json | json 2.text
* curl https://api.twitter.com/1/statuses/public_timeline.json | json 0.user
* 
*/

var util = require('util');
var buffer = '';

process.stdin.resume();
process.stdin.setEncoding('utf8');

process.stdin.on('data', function (chunk) {
	buffer = buffer + chunk;
});

process.stdin.on('end', function () {
	var obj = JSON.parse(buffer),
		output = null;

	if (process.argv.length > 2) {
		var path = process.argv[2].split('.').reverse();
		while (name = path.pop()) {
			obj = obj[name];
		}
	}

	if ('-h' in process.argv)
		process.stdout.write(util.inspect(obj));
	else
		process.stdout.write(JSON.stringify(obj, null, '  '));
});