> What is the device that's hooked up to the parallel port? If it is
> custom hardware then I guess the right way would be to write a kernel
> mode driver for it and access it from /dev.

        It's a parallel port web cam, I didn't write the program, therefore I can't
write a device driver.

> You mentioned something about image data. Is it a camera hooked up to
> the parallel port? Why not have the camera image saved some place on
> disk and have your script return the image file?

        Because it still has to run as root, which is what I'm asking about.


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