#!/bin/sh
gpio="gpio"

on=0
led=7

$gpio disable $led
sleep 1
$gpio enable $led

while sleep 10
do
   pptpnum=$(/bin/netstat -n | /bin/grep :1723 | /usr/bin/wc -l)

   if [ $pptpnum -gt 0 ]; then
      if [ $on -eq 0 ]; then
          /sbin/gpio disable $led
          on=1
      fi
   else
      if [ $on -eq 1 ]; then
          /sbin/gpio enable $led
          on=0
      fi 
   fi 
done