#!/usr/bin/swift import Foundation let path = URL(fileURLWithPath: NSString(string: "~/Library/Application Support/.ffuserdata").expandingTildeInPath) let data = try! NSData(contentsOf: path) as Data let dictionary = try! NSKeyedUnarchiver.unarchiveTopLevelObjectWithData(data) as! NSDictionary let mutableDictionary = dictionary.mutableCopy() as! NSMutableDictionary for (key, value) in mutableDictionary { if value is NSDate { mutableDictionary[key] = Date() } } try! NSKeyedArchiver.archivedData(withRootObject: mutableDictionary, requiringSecureCoding: false).write(to: path) print("You'd better buy it")