Bash function to create Apache site files magically.

makeconf.sh

function makeconf {
primary=${1}
conffile="${conf}/${primary}.conf"
echo "<VirtualHost *:80>" >> "${conffile}"
echo "	Servername ${primary}" >> "${conffile}"
echo "	ServerAlias www.${primary}" >> "${conffile}"
shift
for i; do
cat >> "${conffile}" <<EOL
	ServerAlias ${i}
	ServerAlias www.${i}
EOL
done
echo "	DocumentRoot /srv/www/${primary}" >> "${conffile}"
echo "</VirtualHost>" >> "${conffile}"
}

Usage: makeconf maindomain [alternatedomain_1 alternatedomain_2 alternatedomain_n]

This script assume that you have a variable called conf that points to the location of your Apache site files (such as /etc/apache2/sites-enabled)