Find obsolete libs used by processes

find-obsolete.sh

function find-obsolete() {
    local pid cmd file

    for pid in $(\grep '(deleted)' /proc/*/maps | \grep -v '/dev/zero' | cut -d/ -f 3 | sort -un); do
        cmd=$(ps -o comm -p $pid | tail -n 1)
        for file in $(\grep '(deleted)' /proc/$pid/maps | \grep -v '/dev/zero' | awk '{print $6}' | sort -u); do
            echo "$pid $cmd $file"
        done
    done | column -t
}