# Brainfuck interpreter
## Install
```
$ cargo install bfk
```
## Usage
```
$ cat > hello.bf
++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.
$ bfk hello.bf
Hello World!
```
## Create your own fuck
For example, Replace `+-><,.[]` with `abcdefgh`.
This is replaced Hello World program in Brainfuck.
```
aaaaaaaagcaaaagcaacaaacaaacaddddbhcacacbccagdhdbhccfcbbbfaaaaaaaffaaafccfdbfdfaaafbbbbbbfbbbbbbbbfccafcaaf
```
By providing replacing character to `language` option,
This interpreter runs it as a transformed Brainfuck program.
```
$ cat > hello.abc.bf
aaaaaaaagcaaaagcaacaaacaaacaddddbhcacacbccagdhdbhccfcbbbfaaaaaaaffaaafccfdbfdfaaafbbbbbbfbbbbbbbbfccafcaaf
$ bfk --language=abcdefgh hello.abc.bf
Hello World!
```
Even emojis.
```
$ cat > hello.emoji.bf
😀😀😀😀😀😀😀😀😂😄😀😀😀😀😂😄😀😀😄😀😀😀😄😀😀😀😄😀😁😁😁😁😃🤣😄😀😄😀😄😃😄😄😀😂😁🤣😁😃🤣😄😄😅😄😃😃😃😅😀😀😀😀😀😀😀😅😅😀😀😀😅😄😄😅😁😃😅😁😅😀😀😀😅😃😃😃😃😃😃😅😃😃😃😃😃😃😃😃😅😄😄😀😅😄😀😀😅
$ bfk --language=😀😃😄😁😆😅😂🤣 hello.emoji.bf
Hello World!
```
## LICENSE
MIT.