Brainfuck

DESCRIPTION

This program is an interpretor for the Brainfuck language which was originally designed by Urban Müller in 1993. Brainfuck is an esoteric programming language, i.e. a joke. It was designed to challenege and amuse programmers. For a more complete description of the language see the Wikipedia article at http://en.wikipedia.org/wiki/Brainfuck

COMPILING & INSTALLING THE INTERPRETOR

$ make
$ sudo make install

BASIC COMMANDS

>    increment the data pointer (to the right)
<    decrement the data pointer (to the left)
+    increase (by one) the byte at the current pointer
-    decrease (by one) the byte at the current pointer
.    send the byte at the current pointer to stdout
,    accept one byte of input from the standard input
[    if the byte at the pointer is zero, then jump to command after next ]
]    if the byte at the pointer is nonzero, then jump to matching [

RUNNING A BRAINFUCK PROGRAM

Save your program as filename.bf and run it with

$ ./brainfuck filename.bf

You can also add a shebang to your script

#!/usr/bin/env brainfuck
[->+<]