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bf: yet another Brainfuck interpreter

NAME
bf - yet another Brainfuck interpreter
SYNTAX
bf [-h] [options] <filename>

DESCRIPTION

bf ('Yet another Brainfuck interpreter') is a simple interpreter for the esoteric Brainfuck language.

OPTIONS

-c<num> Specify the number num of the last cell you are allowed to use in your Brainfuck program. So if you use -c0 (or just -c), you'll have one cell (one byte in memory) to use on your tape. Brainfuck interpreter by Urban Mueller used an array of 30000 bytes (-c29999). Our default value is 9999. Usually you need less. -i Output Brainfuck code input to stderr. This feature is useful if you can't find out why some Brainfuck code doesn't work the way it should e.g. ignored loops, or a Brainfuck character within a comment. Note: Up to 32 +, -, < and > are summarized and displayed as only one. This feature was introduced in version 20040423. -n Some Brainfuck contests specify a 0 byte as End Of Input. So -n translates a \n byte input into a 0 byte input. Disadvantage: the input can only consist of one line. -w Disallow byte wrap-around. This causes errors if you try to decrement ('-') a 0x00 byte or to increment ('+') a 0xFF byte. This feature is useful if you want to take part in Brainfuck contests where such wrapping-around is disallowed. By default (without -w), incrementing 0xFF results in 0x00 and decrementing 0x00 results in 0xFF. -,<mode> Specify input mode. <mode> can be: 0 (zero) Normal input using getchar(3). 1 Single-char input. You won't see what you type. 2 Single-char input. You will see what you type. 3 The same as 1, but doesn't allow escape characters if compiled with slang. 4 The same as 2, but doesn't allow escape characters, if compiled with slang. (recommended) Default is 0. (In some versions the default was 4.)

LIMITATIONS

It's not allowed to '<' below the first cell. It's not allowed to '>' beyond the last cell.

AUTHORS

Stephan Beyer <s-beyer@gmx.net> BF(1)
 
 
 

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