Pause a script

[Mark Haney]

Dave Ihnat wrote:
> On Tue, Feb 06, 2007 at 09:57:16AM -0500, Mark Haney wrote:
>> I'm not sure this will help.  Here's the situation:
>>
>> script1 - checks for the existence of test.pid
>> script2 - the job that actually will create the pid
> 
> I'm answering this, instead of the original request, since you actually
> described what you're trying to do more clearly here.
> 
> There are several ways to do this, but probably the simplest is to put the
> following code snippet into your script1 (modify as appropriate for your
> environment, of course):
> 
>   PIDFILE=/var/state/app/test.pid	# Or wherever, of course
>   RETRY_INTERVAL=10;
>   MAX_RETRIES=10;
> 
>   RETRY_COUNT=0;
> 
>   while [ $RETRY_COUNT -le $MAX_RETRIES ]
>   do
>   	if [ ! -f $PIDFILE ]
> 	then
> 		let RETRY_COUNT=$RETRY_COUNT+1;
> 		sleep $RETRY_INTERVAL;
> 	else
> 		break;
> 	fi;
>   done;
> 
> There are more elegant approaches, of course--using a named pipe would be
> the simplest of those--but this will work.
> 
> Cheers,
> --
> 	Dave Ihnat
> 	President, DMINET Consulting, Inc.
> 	dihnat at dminet.com
> 
This is ideal, thanks.



-- 
Ita erat quando hic adveni.

Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415