help with writing script

[Markus]

Found something on the net for you:

#!/bin/sh
NET=eth0

if ! ifconfig | grep $NET >/dev/null 2>&1 ||\
   ! ifconfig $NET | grep UP >/dev/null 2>&1; then
 echo "Get a net!"
 exit 1
fi
konsole -e telnet n7us.ne
exit 0