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Writing from Stream to another Stream in C# .NET

The situation often arises where we want to copy a stream to another without reading the entire stream into memory, here is a simple code snippet to do the trick: /// <summary>
    /// Writes the stream to target.
    /// </summary>
    /// <param name="bufSize">Size of the buf.</param>
    /// <param name="inputStream">The input stream.</param>
    /// <param name="targetStream">The target stream.</param>
    public static void WriteStreamToStream(int bufSize, Stream inputStream, Stream targetStream)
    {
      byte[] buffer = new byte[bufSize];
      long count = 0;
    
      while(inputStream.Length >count)
      {
        int numBytesRead = inputStream.Read(buffer, 0, bufSize);
        targetStream.Write(buffer, 0, numBytesRead);
        count += numBytesRead;
      }
    }