Generate mac adress with randomized hex

change-mac-adress.sh

#! /bin/bash 
CURRENT=`ifconfig en1 | grep ether | cut -c8-24`
RANDOM=`openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//'`
echo "Current MAC Adress : $CURRENT"
echo "Random MAC Adress : $(openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//')"
printf "Continue Y/N? "; read res
if [[($res == "Y")]]; then 
sudo ifconfig en1 ether $(openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//')
else
echo "quitting..."
fi