Mega Code Archive

 

Categories / C# / File Stream

 

Open and Append to a Log File

using System; using System.IO; class DirAppend {     public static void Main()     {         using (StreamWriter w = File.AppendText("log.txt"))         {             Log("Test1", w);             Log("Test2", w);             w.Close();         }         using (StreamReader r = File.OpenText("log.txt"))         {             DumpLog(r);         }     }     public static void Log(string logMessage, TextWriter w)     {         w.WriteLine("{0} {1}", DateTime.Now.ToLongTimeString(),DateTime.Now.ToLongDateString());         w.WriteLine("  :{0}", logMessage);         w.Flush();     }     public static void DumpLog(StreamReader r)     {         string line;         while ((line = r.ReadLine()) != null)         {             Console.WriteLine(line);         }         r.Close();     } }