#! /bin/sh 
#
# usage: netstat.sh <interface>
# ./netstat.sh xl0
# 
# wenn ich nicht weiss, welches interface, mit ifconfig nachgucken
#
#
#
##export LANG=C 
##temp=/tmp/x.$$ 
##trap 'rm -f $temp*; exit 1' 
##
##netstat -i -b -I "$1" | grep '<Link' > $temp.1 
##ibytes=`cat $temp.1 | awk '{print $7}'` 
##obytes=`cat $temp.1 | awk '{print $10}'` 

#ibytes
netstat -i -b -I "$1" | grep '<Link' | awk '{print $7}'
#obytes
netstat -i -b -I "$1" | grep '<Link' | awk '{print $10}'
# the uptime
uptime | sed 's:^.* up \(.*\), [0-9][0-9]* users.*$:\1:'
echo "Traffic Analysis for $1"