A very simple interpreter for brainf*ck written in pure lua.
takes in an input file as the first command line argument, outputs the results onto stdout.
input:
++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.
is output as: Hello World!