Dear all,

I wish to monitor the change of a file in the UNIX system to see if it has been updated consistently. What I had in mind is to return the last modification date of the file, and compare it with the current time in the system (output of command "date"). If the difference is bigger then three minutes, then the file has not been updated in the last three minutes and I wish the system to send me an alert email.

I am not sure if this is feasible with BASH command in the UNIX system. If yes, can anyone give me some hints on how to achieve this?

Many thanks in advance,
epomqo

If you use Inotify (inotifywatch or incron) instead you only have to watch for the event you are really interested in (say write) and use a countdown timer?

You could setup a small script that basically does a:
That will provide you with the last modification time/date. Anyway, set that up as a cron job to run every 3 minutes if you want and put some sort of if condition where if the time is more than 3 minutes out of sync, you could have it notify you however you want.

this is really good stuff - incrond / inotify

sending email notify on change in directory/file

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