gistfile1

var msgpack = require('msgpack');
var fs = require('fs');
var crypto = require('crypto');

var hash = function(data) {
  var h = crypto.createHash('md5');
  h.update(data);
  return h.digest('hex');
}
var data = fs.readFileSync(process.argv[2]);
console.log("orig: " + hash(data));
console.log("orig size: " + data.length);
console.log("unpacked: " + hash(msgpack.unpack(msgpack.pack(data))));
console.log("unpacked size: " + msgpack.unpack(msgpack.pack(data)).length);