Is it possible to automatically take a photo from the webcam when logging in?

Question

macOS

Please tell me if it is possible to configure my macbook air so that when any user logs into the system, a photo from the webcam is automatically taken. So that I can then see who used the computer without my knowledge.

Answer 1

Recommend iharder.sourceforge.net/current/macosx/imagesnap which call script

while :; do
    imagesnap ~/Desktop/$(date +%y%m%d%H%M%S).png
    sleep ${1-1}
done

it is necessary to shove it into the scheduler (cron?) Called upon login. Mac saw only from the side, I can’t explain in more detail.