Question

Since this can’t be solved so easily how can I implement 1 thread that writes strings to a file / buffer line by line using Console.WriteLine() and another thread that reads those strings from the same file / buffer also line by line ? I guess I need to:

• redirect Console to file / buffer
• read file / buffer thread save, when a line is written it must be read by the other thread
• make that asynchronous (no ReadToEnd(), it must be live)

Answer 1

I would like to do that with a buffer though.

Solution with file:

    class Program
    {
        private static bool terminated = false;

        private static void listen()
        {
            StreamReader file = new StreamReader(new FileStream("C:/test.txt", FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
            while (!terminated || !file.EndOfStream)
                if (!file.EndOfStream)
                {
                    string text = file.ReadLine();
                    MessageBox.Show(text); // display it
                }
        }

        static void Main(string[] args)
        {
            StreamWriter sw = new StreamWriter(new FileStream("C:/test.txt", FileMode.Create, FileAccess.Write, FileShare.Read));
            sw.AutoFlush = true;
            Console.SetOut(sw);
            new Thread(new ThreadStart(listen)).Start();
            for (int i = 0; i < 10; i++)
            {
                Thread.Sleep(250);
                Console.Out.WriteLine("hello world - " + i);
            }
            terminated = true;
        }
    }

Works line by line and doesn’t miss one.