If you're on Linux with a kernel >=2.6.13 you could use Linux::Inotify2 to ... err... notify you of the various changes in the file that you'd like to monitor. That's likely to be a lot more efficient than waking up and doing stat calls.
In reply to Re: Most efficient File Modified check (w/o warnings)
by tirwhan
in thread Most efficient File Modified check (w/o warnings)
by Cefu
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