How to read a file in C# which is being appended by another process and get latest content

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Is there a way to read a file in C# which is being appended by another process.

I have tried out this code

using (var sr = new StreamReader(fs, Encoding.UTF8))
        {
            string line;
            while ((line = sr.ReadLine()) != null)
            {
                yield return line;
            }
        }

But this only reads that part which was written at the time of opening the stream.

What I am trying to do is to synchronize two files and replicate anything written to a file to another file so I can make a mirror copy of it.

One of the way is to continuously poll the file size and if it is changed, open it and start reading from the last position however I think that there should be a better way for doing this. What I am looking is some sort of way where I don't have to close and open the file again and again.

asked 51 secs ago

Murtuza Kabul

4,331