Yes, it will run approximately every 2 hours, although if somesub() take some time to execute, you have to realize that the sleep 7200 will start only after the completion of the sub so that the start time of one start compared to the previous will be offset by 2 hours + the duration of the sub. So, in effect, il will run every 2 hours + sub execution duration. This might or might not matter for you.

A cron job would not suffer from this defect, may be you can ask your sysadmin. One workaround is to have the subroutine to launch the process as a background process, so that the subroutine would take only a couple of second to execute.

Update: fixed two typos in the word duration.

In reply to Re^2: How to make PERL Script run Automaticly? by Laurent_R
in thread How to make PERL Script run Automaticly? by David92

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