Hello David and *,
Am 2006-11-22 20:06:29, schrieb David Weinehall:
> On Wed, Nov 22, 2006 at 07:31:37PM +0100, Michelle Konzack wrote:
> [snip]
> > ${#NAME}
> > ${parameter:-word}
> > ${parameter:=word}
>
> These are supported in SuSv3 compliant shells too.
Ah, OK.
>
> > ${parameter:offset}
> > ${parameter:offset:length}
>
> These are not.
:-(
> > disown
>
> You actually use job-control in your shell-scripts? Interesting...
Some of my scripts/programs working on all $USER serial and since
only one $USER at once is not enough, I span subprocesses and disown
it. Each subprocess write a PID and if it terminates, it delete it.
Now, the mainprocess watch it and start only a given number of
subprocesses. I use this since several years without any problems
on a bunch of my fileservers where I have at least 500 users/server.
Thanks, Greetings and nice Day
Michelle Konzack
Systemadministrator
Tamay Dogan Network
Debian GNU/Linux Consultant
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