host-name-changer.sh

#!/bin/sh

echo "wElCome ToO Zackn9neZ HostName ChanG3r"
read -p "Enter Your Hostname eg. NY-iMac-SomeBody: "  HWNAME
sudo scutil --set HostName "$HWNAME"
sudo scutil --set ComputerName "$HWNAME"
sudo scutil --set LocalHostName "$HWNAME"
dscacheutil -flushcache
echo "your new hostname is..."
hostname

while true; do
    read -p "Do you wish to delete this program off the disk?" yn
    case $yn in
        [Yy]* ) rm host-name-changer.sh; break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done