It's an ALGOL-derivative, not a BASIC-derivative. It's trying to be ALGOL. Bourne was one of the few people to write an ALGOL-68 compiler. I might just hide in

It's an ALGOL-derivative, not a BASIC-derivative. It's trying to be ALGOL. Bourne was one of the few people to write an ALGOL-68 compiler. I might just hide instead of touching it. This code (the Bourne Shell source) is actually the reason why the IOCCC was created.