Automatically Rerun a script based on previous execution output

forumthreads · #1 (**permalink**) 06-25-2009

Hi Experts,

I have a shell script called "updatevs" that is scheduled to run at 6.00 am everyday via cronjob. The cronjob will execute this script and output to a log file. The functionality of this script is to read the database and run a set of commands. This script is generally successful but some times due to network outage or Database being down it fails.

Only in case of a failure i would like to rerun the script every 20 mins for the next 2 hours, if still not successful after 2 hours i would like an email to be triggered to address "xxxxx@abc.com"

There may be several ways to solve this case however I was thinking of writing a small script called "checklog" which reads the log file and searching for the obevious words like "ERROR", when found "Checklog" script will rerun "updatevs" script. I don't think this is the solution as i can't see a way of making this recurring.

Please let me know your valuable feeback on how to acheive this.

Many Thanks

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