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Expose/implement options_first #23

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crcox opened this issue Aug 19, 2016 · 0 comments

crcox commented Aug 19, 2016

doc <- "Usage: demo1 [options] <x> <y> <z>

Options:
  -h, --help
  -i, --invert
"
str(docopt::docopt(doc,args='1 -2 -3'))

Results in an error because it tries to treat -2 and -3 as options.

doc <- "Usage: demo2 [options] [--] <x> <y> <z>

Options:
  -h, --help
  -i, --invert
"
str(docopt::docopt(doc,args='-- 1 -2 -3'))

Works just fine, but requires that -- be used, even when there are no options provided, which is annoying.

In the python version of docopt, there is an options_first= parameter to docopt. Can this be exposed/implemented in R?

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