#!/bin/sh

trap "" 0 1 2 15

LOG=/tmp/w.log.$$
dialog --clear

w | egrep -v tty[1-8] | tail +2 > $LOG
count=`wc -l < $LOG`

dont_panic() {
 dialog --infobox "

               THE SYSTEM IS SHUTTING DOWN

                   !!!!!!!WAIT!!!!!!

            !!!!DON'T POWER DOWN YET!!!!!!!!

             wait for this message to clear.
             $*

 " 15 60 &
}

if [ $count -lt 2 ]; then
 dont_panic "
              The system is shutting down"
 /sbin/shutdown -r now "sistema esta en shutdown"
else
 dialog --yesno "

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
There are the following remote users in
the machine:

`cat $LOG`

Shutdown will be delayed by 2 minutes
inorder to warn the remote users.

Do you still want to start the shutdown?

" 22 60 


if [ $? = 0 ];then
  dont_panic "
               Shutting down in 2 minutes"
  /sbin/shutdown -r +2 "sistema esta en shutdown"
else 
  sleep 1
  dialog --infobox "

        The shutdown has been aborted

  " 7 50 &
 sleep 5
 dialog --clear
fi
fi