basic watchdog for python (or other) scripts

watchdog.sh

#!/bin/bash

watchdog () {
datum=$(date -u)
scna="$(basename $1)"
ps -ef | grep $1 | grep -v grep;
if [[ $? -eq 0 ]]; then
    echo "$datum - OK, $scna is running";
else
 echo "$datum - $1 died, resurrecting $scna now...";
 screen -d -m -S $scna /usr/bin/python $1 2>&1 /dev/null
fi
}

watchdog "/home/pi/locker-btn1.py"
watchdog "/home/pi/locker-btn2.py"


# add a cronjob to this script, one at reboot and one every minute */1