I don't see what's the problem with forking, maybe I'm just missing something. What I would do:

Create a private semaphore
Fork to create N processes
In every process
- convert its part
- lock the semaphore
- do the db import
- raise the semaphore

In reply to Re: Converting a parallel-serial shell script by pjotrik
in thread Converting a parallel-serial shell script by Corion

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