Continuously ping a set of hosts and log results to a file

pingmonitor.sh

#!/bin/bash
HOSTS="www.google.com www.bing.com"

# no of ping requests
COUNT=1

# timeout in seconds
TIMEOUT=1

LOG=/var/log/pingmonitor.log

while :
do
  for myHost in $HOSTS
    do
      echo "Pinging $myHost"
      ping -c $COUNT -W$TIMEOUT $myHost | grep received | while read pong; do printf "%s: %15s - %s\n" "$(date)" "$myHost" "$pong" >> $LOG; done
    done
  sleep 1
done