- use -name test before -type test to avoid calling stat(2) on every file.
- use -delete instead of -exec rm to avoid forking

- collects the log information only, without running any cases.
  This can be useful if the user has terminated the test prematurely
  but nonetheless wishes to summarize the log output.

Patch provided by Bruno Santos
Resolves patch application request http://www.openfoam.org/mantisbt/view.php?id=2015