How do I edit /etc/sudoers from a script?

Question

I need to edit /etc/sudoers from a script to add/remove stuff from white lists.

Assuming I have a command that would work on a normal file, how could I

Answer 1

Try to echo it. You have to run it in a subshell, though. Example:

sudo sh -c "echo \"group ALL=(user) NOPASSWD: ALL\" >> /etc/sudoers"