How to create a menu in SQLPlus or PL/SQL

Question

I have several scripts that I would like to start from a menu presented to the SQLPlus user. Something like:

Please make a selection:
1: Do script a

Answer 1

I'd got with a real language for this (as per Pablo's comment).

You could have some stuff in a login.sql that displayed a list suggestions when you connect (PRINT or PROMPT SQL*Plus statements).

And you could have a bunch of scripts called 1.sql, 2.sql etc which would get run if the user entered @1, @2 etc. (as long as they are in the correct directory).

But really SQL*Plus isn't suited for this.