private void GhostCheckDate(string inFilePath, string outFilePath)
        {
            var trimChars = new[] { '"' };
            var separator = new[] { "\",\"" };
            Func<string, string[]> parse = s =>
                s.Trim(trimChars).Split(separator, StringSplitOptions.RemoveEmptyEntries);
            var fileData = File.ReadAllLines(inFilePath);
            var outFileData = File.ReadAllLines(outFilePath).ToList();
            var result = new List<string>();
            string[] array;
            foreach (var userData in fileData)
            {
                if ( (array = parse(userData)).Length != 3 )
                    continue;
                var user = new {Login = array[0], Password = array[1], Date = DateTime.Parse(array[2])};
                if (fileData.Any( s => string.Equals(parse(s)[0], user.Login) )) continue;
                var items = fileData.Where(s => string.Equals(parse(s)[0], user.Login));
                if (items.Count() < 2) continue;
                var maxItem = items.Aggregate((i1, i2) => DateTime.Parse(parse(i1)[2]) > DateTime.Parse(parse(i2)[2])
                                                              ? i1 : i2);
                result.Add(maxItem);
            }
            if (result.Count > 0)
                File.AppendAllText(outFilePath, string.Join(Environment.NewLine, result));
        }