loginscript.sh

#!/bin/bash
AIRPORT="en1"
USER="$USER"
if [ "$USER" = Public ]; then	
networksetup -removeallpreferredwirelessnetworks	
ifconfig en0 down	
networksetup -setairportpower en1 on	
echo "Airport is now turned on."	
networksetup -addpreferredwirelessnetworkatindex en1 STE-Guest 0 OPEN	
echo "You are now connected to the STE-Guest Network."	
exit 0
else	
networksetup -setairportpower en1 off	
echo "Airport is turned off for your security."	
exit 1
fi