Kirt Thomas,

I think it should be like this. Correct me If I m wrong, Please.

#!/bin/sh

FN=/tmp/flag.tmp
if [ ! -f $FN ]; then
touch $FN
#Run your Script here
rm $FN
else
echo "Script $program is already active
fi

Thanks and Best Regards,

Avneesh Kumar Rathor




"Shaikh Ismail " <oracledba-ezmlmshield-x13317537.[Email address protected]

3 July 2006 08:45 EST

To
"LazyDBA Discussion" <[Email address protected]
cc

Subject
Re: Checking if a script is already running ...






What happens to the semaphore file if the script falls over before it
gets around to removing it?
--
shaikh i


Kirt Thomas wrote:
> Semaphore files are your friend. Here's a snippet to add to the
> beginning of your script...
>
> FN=/tmp/flag.tmp
> if [ -f $FN ]; then
> touch $FN
> #Run your Script here
> rm $FN
> else
> echo "Script $program is already active
> fi
>
> The program starts, if it's not running (no semaphore file) then it
> creates the semaphore file and runs your script, other wise it exits.
>
> At 13:42 7/2/2006, benbart wrote:
>> Hi all,
>>
>> Does anyone have a smarter script to check whether a certain script is
already
>> running and if so exit from the script instead of running another
instance of
>> the script?
>>
>> At the moment, am checking it using ps -ef | grep [scriptname], but
found out
>> that this is not a reliable test as someone could be more'ing or
cat'ting a
>> file and I am mistakenly taking it as the script running ...
>>
>> Any advise or tips will be very much appreciated ... thanks in advance
...
>>
>>
>>
>>
>>
>> --------
>> website: http://www.LazyDBA.com
>> Please don't reply to RTFM questions
>> Oracle documentation is here: http://tahiti.oracle.com
>> To unsubscribe: see http://www.lazydba.com/unsubscribe.html
>> To subscribe: see http://www.lazydba.com
>> By using this list you agree to these terms:
http://www.lazydba.com/legal.html
>
>
>
> --------
> website: http://www.LazyDBA.com
> Please don't reply to RTFM questions
> Oracle documentation is here: http://tahiti.oracle.com
> To unsubscribe: see http://www.lazydba.com/unsubscribe.html
> To subscribe: see http://www.lazydba.com
> By using this list you agree to these terms:
http://www.lazydba.com/legal.html
>


--------
website: http://www.LazyDBA.com
Please don't reply to RTFM questions
Oracle documentation is here: http://tahiti.oracle.com
To unsubscribe: see http://www.lazydba.com/unsubscribe.html
To subscribe: see http://www.lazydba.com
By using this list you agree to these terms:
http://www.lazydba.com/legal.html




Whilst this email has been checked for all known viruses, recipients should undertake their own virus checking as Xansa will not accept any liability whatsoever.

This email and any files transmitted with it are confidential and protected by client privilege. It is solely for the use of the intended recipient.
Please delete it and notify the sender if you have received it in
error. Unauthorised use is prohibited.

Any opinions expressed in this email are those of the individual and not
necessarily the organisation.
Xansa, Registered Office: 420 Thames Valley Park Drive,
Thames Valley Park, Reading, RG6 1PU, UK.
Registered in England No.1000954.
t +44 (0)8702 416181
w www.xansa.com

Oracle LazyDBA home page