#!/usr/bin/bash

t0=`date +%s.%N`
sync
R=$?
t1=`date +%s.%N`

if [ "$R" = "0" ]; then
  t=`echo "$t1 $t0 - p" | dc`
  echo "sync OK - $t seconds|synctime=0${t};30;60;0"
  exit 0
else
  echo sync CRITICAL - sync problem
  exit 2
fi
