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README.md

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 # rbfckr
 
-Rust version of my brainfuck interpreter
+A simple to use brainfuck interpreter with built in debugger written in Rust.
+This is a reimplementation of my brainfuck interpreter [bfckr](https://github.com/id101010/bfckr).
+
+# Usage
+```
+Usage: ./bfckr [OPTION]
+-h        Show this help.
+-d        Enable debugger.
+-f        Execute brainfuck code given as file.
+-e        Execute brainfuck expression given as argument.
+```