/**
* After this method is called, output will be sent to outputStream, provided it is non-null. If
* outputStream is null, then this method has the same effect as calling writeStandardOutput();
* that is, future output will be sent to the standard output stream.
*/
public static void writeStream(OutputStream outputStream) {
if (outputStream == null) writeStandardOutput();
else writeStream(new PrintWriter(outputStream));
}
