SpoofMACAddress.sh

echo "* Running MAC Address Spoofer! *"

# Check current MAC address
ifconfig en1 | grep ether

# Tell airport to disassociate from the current network
sudo /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -z

# Spoof the MAC address
openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' | xargs sudo ifconfig en1 ether

# Check current MAC address
ifconfig en1 | grep ether

# Output following steps.  
echo "The two addresses listed above should be unique.  If not, run this tool again."