BiasCorrectQ.Program.GetVicData C# (CSharp) Method

        private static List<Point> GetVicData(string filename)
        {
            var rval = new List<Point> { };

            string[] lines = File.ReadAllLines(filename);
            for (int i = 0; i < lines.Length; i++)
            {
            string[] line = lines[i].Split(new char[0],
                                           StringSplitOptions.RemoveEmptyEntries);

            DateTime dt = default(DateTime);
            string value = string.Empty;

            if (line.Length == 3)
            {
                dt = new DateTime(Convert.ToInt32(line[0]), Convert.ToInt32(line[1]), 1);
                value = line[2];
            }
            else if (line.Length == 4)
            {
                dt = new DateTime(Convert.ToInt32(line[0]), Convert.ToInt32(line[1]),
                                  Convert.ToInt32(line[2]));
                value = line[3];
            }
            else
            {
                Console.WriteLine("unsupported input file format - " + filename);
                return new List<Point> { };
            }

            double val;
            if (!double.TryParse(value, out val))
            {
                Console.WriteLine("error parsing value at row: " + (i + 1));
                return new List<Point> { };
            }

            if (val < 0)
            {
                Console.WriteLine("error: data contains negative values that" +
                                  " are incompatible with fitting of log normal distribution");
                return new List<Point> { };
            }

            Point pt = new Point(dt, val);
            rval.Add(pt);
            }

            return rval;
        }