I'd like to make a program that will detect which /dev/sd* entry is linked to a known USB VID/PID pair.
Do you know how I can get the VID/PID of a USB stick that would appear as /dev/sd*?
you can use udevadm for this
in the output of udevadm info -q property -n /dev/sd* the VID is in the ID_VENDOR_ID field and the PID is in the ID_MODEL_ID field
you can extract this using grep / sed...
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