[time-nuts] Slightly off-topic: How to take measurements at fixed intervals in Perl

[Patrick]

Thanks John

Although I have been using GPIB for years, I am new at programming with 
it. I appreciate your post!
-Patrick

John Ackermann N8UR wrote:
> I've struggled for a while to figure out how to take readings at fixed
> intervals from my counters and other GPIB gear.  The problem is that the
> time it requires to trigger and receive a measurement is non-zero and
> can vary from measurement to measurement.  Trying to calibrate a proper
> delay is an exercise in frustration, and any errors mount over long
> experiments.
>
> I searched the web and found bits indicating that a fixed timer could be
> done using an "alarm" signal, but no single place provided a useful (to
> me, anyway) example, and all the info I found seemed aimed at different
> applications.
>
> I finally figured it out, and the details are at
> http://www.febo.com/pages/perl-alarm-code/index.html if this might be of
> interest to any of you.
>
> John
>
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