fis/fis.Loader/Logger.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace fis.Loader
{
    internal class Logger
    {
        static string dir = AppDomain.CurrentDomain.BaseDirectory;
        static string logFile = Path.Combine(dir, "update.log");
        internal static void WriteLine(string logText)
        {
            if (!File.Exists(logFile))
            {              
                File.WriteAllText(logFile,$"{DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss")} Fist time to create file");
            }
            File.AppendAllText(logFile, $"\r\n{DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss")} {logText}");
        }
    }
}