/etc/hosts file refer to another configuration file

How can I get the /etc/hosts file to refer to another configuration file for it's list of hosts? Example /etc/hosts: ## My Hosts 127.0.0.1 localhost 255.255.255.255 broadcasthost #Other Configurations #Other Addresses 3.3.3.3 MyAwesomeDomain.com 4.4.4.4 SomeplaceIWantToGoTo.com ConfigFile.txt ##My additional Hosts 1.1.1.1 SomeLocation.com 2.2.2.2 AnotherLocation.com How do I add a link/Reference to /etc/hosts file such that ConfigFile.txt will be loaded?