Multithreaded ksh cold backup script needed

I have the requirement for a ksh script which I suspect has been written and debugged by many of my fellow DBAs. If you have anything close which meets the specs, would you mind sharing me with it?

The requirements are:

1. Runs ksh
2. Performs cold backup (database already shut down normal)
3. Input parameters are
4. a regular expression which defines the location of the database files
5. target location
6. the maximum number of threads
7. Outputs are
8. files copied and/or gzipped from source destination to target destination
9. a log file containing the location/name of each file copied and/or gzipped
10. some visibility into how the backup is proceeding
11. The script picks up the source spec and target location of the backups. It spawns copy or gzip jobs up to maximum number of threads. When a copy and/or gzip completes, the file name/spec of the source file is appended to a log file that will be used for restore. The script sleeps then checks if the maximum number of threads/jobs specified in the third parameter passed to the script are still running. When needed, it kicks off more jobs/threads. It does this until all the source files are copied and or gzipped over to the target destination.

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