measure nordvpn server status

#! /bin/bash
today=$(date +%Y%m%d)
log="$HOME/nordvpn.log-${today}"
OIFS=$IFS
IFS=$'\n'
dead=0
live=0

while read -r ovpn ; do
    vpnip=$(awk '/^remote [0-9][0-9]*\..*/{print $2}' $ovpn)
    server=$(echo $ovpn | cut -d"/" -f4 | cut -d"." -f1)
    ping -w3 "$vpnip"
    RET=$?
    if [ $RET -gt 0 ] ; then
        echo "$server dead." | tee -a "$log"
        ((dead++))
    else
        echo "$server can be connected." | tee -a "$log"
        ((live++))
    fi

done < <(ls /etc/openvpn/*.udp*.ovpn | awk '{print $NF}')

printf '\n\n\n' >> "$log"
echo "Total: $((dead+live)) server" | tee -a "$log"
echo "Can be contected: $live" | tee -a "$log"
echo "Cannot be connect: $dead" | tee -a "$log"

unset IFS
IFS=$OIFS

exit 0