Shell Script for Email Failed Ping

#!/bin/sh

#Script is intended for sending reports if a desired host is down using ping.
#Set your hosts in the HOSTS=" " section
#Set the count value to the desired number of pings
#BE SURE to change your email

#be sure to set the file permission so the cron job can run it

### Parameters ###
logfile="/tmp/ping_report.tmp"
email="[email protected]"
subject="Ping Status Report from FreeNAS"
HOSTS="google.com 192.168.1.5 freenasiscrunk.com" #enter your local IPs to monitor here
COUNT=4



### email headers ###
(
    echo "To: ${email}"
    echo "Subject: ${subject}"
    echo "Content-Type: text/html"
    echo "MIME-Version: 1.0"
    echo -e "\r\n"
) > "$logfile"




for myHost in $HOSTS
do
  count=$(ping -c $COUNT $myHost | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
  if [ $count -eq 0 ]; then
    # Failed, creating report

    echo "<pre style=\"font-size:14px\">" >> "$logfile"
(
   echo "Host : $myHost is down (ping failed) at $(date)"
) >> "$logfile"
    sendmail -t < "$logfile"
    rm "$logfile"
  fi
done