if ping -c 3 192.168.43.1 >/dev/null; then
 if ping -c 1 192.168.254.100 >/dev/null; then
  echo Status=OK
 else
  /etc/script/wol 192.168.254.255 10:78:D2:4B:D6:55
  echo WAKE-ON-LAN
 fi
else
 echo NoThanks
fi

全角空白は置換してくれ。