If you have a physical parallel port on your machine and are using Windows, you could do it using Inline::C/Win32::API/XS via Inpout32.dll. (There is also a 64-bit version linked there.)

See also Reading from Parallel Port using Inpout32-dll.

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In reply to Re: Need to detect continuity between 2 terminals by BrowserUk
in thread Need to detect continuity between 2 terminals by redss

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