Cron - Any advanced options?

[Rohit khaladkar]

Modify the script so that it would execute only if no other same process is
running.


On Thu, Apr 23, 2009 at 1:45 PM, Kurian Thayil <kurianmthayil at gmail.com>wrote:

> Hi All,
>
> I am using RHEL 5.2 Server and I have 3 cron jobs enabled and all are
> relating to RSYNC. Now, all of these scripts are run once in every 7
> minutes
> all day. The problem occurs when the scripts doesn't finish to execute in 7
> minutes. This will result in starting execution of the same script again
> and
> this will malfunction the setup.
>
> Is there an option in CRON, which always check if CRON has started the
> process and is already running? Cron should execute the script only if the
> the process isn't running already. Any hints on this?
>
> Regards,
>
> Kurian Thayil.
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