On Fri, 19 Nov 2004, Chuck Hast wrote:
> On Fri, 19 Nov 2004 11:30:25 -0500 (EST), Vijay V. Swami
> <vswami@cise.ufl.edu> wrote:
> > > This is exactly what I needed to know. As long as the called script returns
> > > control to the calling script as soon as it is done, things are VERY GOOD.
> > > Thanks Eban.
> >
> > Only time it wouldn't is if you exec*(3) the new script from the
> > caller. In that case the entire image of the caller gets replaced
> > with the callee.
> >
> > example:
> >
> > # ls
> >
> > versus
> >
> > # exec ls
> >
> > man 3 exec for more details.
> >
> I will check the present scrips and make sure that none of them are doing
> so, I would think that if there was such a command already in a script that
> command would stop any processing of the script from that point on.
>
> All I am going to do is take a GREAT BIG one and break it down into modules
> so it is more manageable.
If it's
configuration and comments
configuration and comments
configuration and comments
<something>
configuration and comments
configuration and comments
configuration and comments
<something>
configuration and comments
configuration and comments
configuration and comments
<something>
then the <somethings>s cannot be exec anything, because exec transfers
control, and the master script would no longer be running as soon as it
"exec"ed something.
If the sections are related, then what you might want to do is something
like
for subsystem in foo bar baz quux ; do
$subsystem &
usleep 100000 # optional
done
Nice and short, and you're assured that you call the subsystems in the
same way. Easy to add/delete subsystems, too.
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