LondonBike.TripLog.PersistToDisk C# (CSharp) Method

        public static void PersistToDisk()
        {
            if (allTrips != null)
            {
                string datafilename = Path.Combine(Util.DocDir, "triplog.txt");
                if (File.Exists(datafilename))
                    File.Delete(datafilename);

                List<string> lines = new List<string>();

                foreach(var trip in allTrips)
                {
                    lines.Add(trip.AsLine);
                }

                File.WriteAllLines(datafilename, lines.ToArray());
            }
        }