Thanks, but I have gone for the external dependency on the GNU find.exe because the File::Find module (which is also included in the code that the find2perl application generates) has a memory leak. Refer to
File::Find memory leak
The other GNU application I'm still to write into my code but it will most likely be "rsync". I'm just investigating it now as an option, but doing so prompted this thread
Dean
Programming these days takes more than a lone avenger with a compiler. - sam