As I said, you compare two different values of the (computed) start-up time (based on the setting of the real-time clock at the time of your measurements). So you'll have to store (at least one of) your previous measurements somewhere for comparison.

        - tye (but my friends call me "Tye")

In reply to (tye)Re2: Perl reading clock changes by tye
in thread Perl reading clock changes by NEOGrafix

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