#hosty
#!/bin/sh
x=0
#jakie IP .. ja mam od 2 do 50
for (( ip=2 ; ip<=50 ; ip++ ))
do
hosty=`arping -f -w 2 -I eth1 192.168.0.$ip | grep "Unicast" | awk '{print $1}'`
if [ $hosty ]
then
let x+=1
fi
done

echo $x
hosty=`cat /etc/hostsmrtg | grep -v "^#" | grep [0123456789] | wc -l `
let hosty-=2
echo $hosty
uptime | sed -e 's/^.*up *//g' -e 's/, *[0-9] *u.*$//g'
hostname