Interruptible process watcher

pwatch.sh

#!/bin/bash

declare -a JOBS
JOBS=("sleep 1" "sleep 2" "sleep 3")

cleanup() {
    trap "" SIGTERM
    kill 0
    wait

    echo "Exited"
    exit 0
}

trap cleanup SIGINT SIGTERM

for job in "${JOBS[@]}"; do
	(
        # Always restart the jobs
        while true; do
            echo "Running: $job"
            /bin/sh -c "$job"
	    # if a shell is not needed use `eval "$job"` instead
        done
	) &
done

wait

exit 1