netsh for NetBSD

#!/bin/sh

# Get the Network Util using netstat

IN=`netstat -bin | grep "$2" | awk '{print $5}'`

OUT=`netstat -bin | grep "$2" | awk '{print $6}'`

IN_old=`cat /home/mrtg/dat/$1 | head -n 1 | cut -d':' -f1`

OUT_old=`cat /home/mrtg/dat/$1 | head -n 1 | cut -d':' -f2`

echo "$IN:$OUT" > /home/mrtg/dat/$1

echo "($IN - $IN_old)/300" | bc

echo "($OUT - $OUT_old)/300" | bc