basskozz

#!/bin/sh
###
# 2/3/09
# adv-shutdown.sh
# Advanced Shutdown Script
# Ref - http://basskozz.wordpress.com/2009/02/03/advanced-shutdown-script-powersaving/
###

IP_LIST='192.168.1.101 192.168.1.102 192.168.1.103 192.168.1.104'

ALIVE=0
for IP  in $IP_LIST; do
   ping -q -c1 -w5 $IP
   if [ $? -eq 0 ]; then
      ALIVE=1
      echo "$IP is alive: $(date)" >> /home/user/scripts/adv-shutdown.log
      break
   fi
done

if [ $ALIVE -eq 0 ]; then
   echo "***ShutDown***  $(date)" >> /home/user/scripts/adv-shutdown.log
   echo "###########################" >> /home/user/scripts/adv-shutdown.log
   /sbin/shutdown -h now
fi