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11-28-2005
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Shell Script Run Interval to be dynamic
Hi All.
I have a script which has to be run periodically. The frequency of its run will be decided by a Database stored value PollRate. e.g. If PollRate value is 300secs, then the script should be executed every 5 minutes, if it's 1500secs, it should execute every 15 minutes. Is there anyway, by which the crontab entry for the script can be modified everytime the DB value changes. If not, then I think I will have to run the script in an infinite loop and at the end of the loop would have to specify a sleep for the value of the PollRate field. The Problem with the above approach is that everytime the script exits abruptly, it will have to be maunally restarted. Please suggest a simple and robust solution. Thanks, Rahul. |
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