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Re: When does a background process complete?


From: V. Mark Lehky
Subject: Re: When does a background process complete?
Date: Fri, 21 Sep 2001 13:36:12 -0400

Paul Jarc wrote:
> "V. Mark Lehky" <address@hidden> wrote:
> > I have written a recursive function (one that calls itself).  In an attempt
> > to speed it up, I have made the call to itself in the background, using the
> > "&" symbol.
> 
> What makes you think this will speed it up?

One call to the function went from 2 minutes to 30 seconds...

> > How can I detect, from my script, when all the processes from this
> > function have completed?
> 
> You can't, unless you can determine it by looking at some external
> state, like some modification to the filesystem.  It would be easier
> to let the function run in the foreground.

damn!  I think I am going to have to do it through some lock file type of a
thing.

Thanx, Mark.



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