I will use the whiptail tool to design the minimal console UI you need. Here's a screenshot of what I am talking about: [login to view URL] Otherwise, if you don't need colorful menus, I can use simple terminal bash text inputs.
Either way, if you decide to award me this project, you'll have the script as soon as tomorrow morning. I might be able to deliver a first version tonight.
I own all variants of Raspberry PI and I could easily test the script myself.