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2 points by fallintothis 4879 days ago | link | parent I'm not aware of any option parsers written in Arc. There are plenty of good libraries to mimic (e.g., http://docs.python.org/library/argparse.html), but in the meantime, you could monkey-patch with Racket (http://docs.racket-lang.org/reference/Command-Line_Parsing.h...) or with getopt (http://man.cx/getopt) in arc.sh (not that that's portable).