C#

if (stream.CanSeek<)
{
  stream.Seek(0, SeekOrigin.Begin);
  using (FileStream file = new FileStream("file.dat", FileMode.Create,
    FileAccess.Write, FileShare.Read))
  {
    int read = 0;
    byte[] buffer = new byte[4096];
    while ((read = stream.Read(buffer, 0, 4096)) > 0)
    {
      file.Write(buffer, 0, read);
    }
    file.Flush();
  }
}

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"When the only tool you have is a hammer, a sore thumb you will have."