Brainf ck
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- The title of this article is not correct because of technical limitations. The correct title is actually Brainf*ck.
Brainf*ck is an esolang invented by User:None1. Its goal is to be an esolang that is named brainf*ck but different from brainfuck. Its programs look like brainfuck programs, but they're not.
Memory
It uses a stack, containing wrapping bytes.
Commands
| Command | Meaning |
|---|---|
| + | Return 1 |
| - | Return top of stack and pop |
| , | Read input as ASCII and return |
| . | Print top of stack as ASCII |
| >[xyz...]< | Push and return the sum of x,y,z... |
| [CODE] | While top of stack is nonempty and nonzero, do CODE, return 0 |
Examples
Hello, World!
>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++]<.>[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<.>[+++++++++++++++++++++++++++++++++]<.
Cat program
>[+]<[>[,]<.]
Truth machine
>[,]<.>[-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<[>[-++++++++++++++++++++++++++++++++++++++++++++++++]<.>[-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<]
A+B Problem
>[,,,++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]<>[.]<
Only supports adding one-digit numbers, numbers have to be separated by exactly one space:
Input: 1 2 Output: 3