is whatpulse running - crontab script to start whatpulse when it dies

whatpulse_running.sh

#!/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
export DISPLAY=:0.0
export DISPLAY=:0

RESULT=`ps -A | sed -n /whatpulse/p`

if [ "${RESULT:-null}" = null ]; then
    echo "whatpulse not running    "
    #xmessage "whatpulse not running"
    zenity --error --text 'whatpulse not running' --display=:0.0
    #/home/ben/.whatpulse-bin/whatpulse
    /home/ben/.whatpulse-bin/startwhatpulse	
else
    echo "whatpulse running"
fi