Kill zombie process of firefox during the time that you execute automation test through the selenium web driver and the firefox browser

kill_zombie_firefox

#!/usr/bin/env bash
# Author: Kenta Togashi

INTERVAL=5
COUNT=0

while :
do
    sleep $INTERVAL
    ZOMBIE_FIREFOX_PID=`ps aux | grep 'firefox' | grep '[-]silent' | awk '{print $2}'`
    if [ -n "$ZOMBIE_FIREFOX_PID" ];then
        COUNT=`expr $COUNT + 1`
        if [ $COUNT -eq 3 ];then
            kill -9 $ZOMBIE_FIREFOX_PID
            COUNT=0
        fi
    fi
done