#!/bin/sh
#
#
# Author:      Bernhard Kuehl
#              Universitaet Osnabrueck
#              Mon Jun 23 12:34:36 MET DST 1997
# File:        xntpdiff
# Description:
#

PATH=/usr/local/gnu/bin:/usr/bin:/bin:.:/usr/local/bin
export PATH

usage () {
	echo `basename $0` '[applied|lehre|praxis]' 1>&2
	exit 1
}

fatal () {
	echo ${1+"$@"} >&2
	exit 1
}

{

[ $# != 1 ] && usage

#for i in isolde artemis tristan merlin bobby min artos portos
for i in `getHosts "$1"`
do
	echo processing $i >&2
	echo processing $i
	xntpdc -p $i 2>&1
	echo '======================================================================='
done
} | sed 's/[ 	][ 	]*/:/g' | gawk -F':' '
	BEGIN	{
				max=0
				maxHost=""
			}
	/^processing/	{
				host=$2
				next
			}
	$2=="remote"	{
				getline		# ============ weglesen
				while(getline>0) {
					if( $0 ~ /^========/)
						next
					offset=$7
					if(offset*offset > max*max) {
						max=offset
						maxHost=host
					}
				}
			}
	END		{
				if(maxHost != "")
					print maxHost,"hat einen Abstand von", max,"Sekunden"
			}
'

exit 0