navcoind monitoring

#!/bin/bash

PROCESS="navcoind"
RESULT=`pgrep ${PROCESS}`

if [ "${RESULT:-null}" = null ] && [ ! -f /var/tmp/navdaemoncheck ]; then
    echo "navcoind not running..." | mail -s "navcoind dead" you@email.com
    touch /var/tmp/navdaemoncheck
elif [ "${RESULT:-null}" != null ]; then
    rm -f /var/tmp/navdaemoncheck
fi