nononono, Eli is not forgetting the filth commandment, brainfuck is a compiler,
Hell it's in the Wikipedia
The brainfuck programming language is an esoteric programming language noted for its extreme minimalism. It is a Turing tarpit, designed to challenge and amuse programmers, and was not made to be suitable for practical use. It was created in 1993 by Urban Müller.The entire syntax is composed of eight commands >< +-., brainfuck ignores anything else. Eli was splendidly unaware of this until sucked in by the kind of marvelous indirection that blogs can deliver, first a reference in passing to "a comma based operating system" at Popehat which produced a pointer to the wikipedia in the comments.
There are dialects