@marcan42 Way to keep P'' alive. P'' (1964) was the first GOTO-less Turing-complete language and BF's prototype https://en.wikipedia.org/wiki/P%E2%80%B2%E2%80%B2 …
Someone claimed pure POSIX sh (builtins only) wasn't Turing-complete, so I wrote a Brainfuck interpreter in it.https://gist.github.com/marcan/347faf7fa09802016d0c253699132539 …
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???:
@marcan42, it's impossible to write a BF interpreter in sh@marcan42: pretty sure I can 45 minutes later:https://twitter.com/marcan42/status/723324549677256704 …Thanks. Twitter will use this to make your timeline better. UndoUndo
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