[Rd] Rscript Bug Report (improper parsing of [args])

Tomas Kalibera tomas.kalibera at gmail.com
Wed Nov 8 13:17:56 CET 2017

Thanks for the report, fixed in R-devel.

On 10/20/2017 08:09 PM, Trevor Davis wrote:
> Hi,
> A user of my `optparse` package discovered a bug in Rscript's parsing of
> [args]. (https://github.com/trevorld/optparse/issues/24)
> I've reproduced the bug on my machine including compiling and checking the
> development version of R.  I couldn't find a mention of it in the Bug
> Tracker or New Features.
> Can be minimally reproduced on the UNIX command line with following
> commands:
>      bash$ touch test.R
>      bash$ Rscript test.R -g 5
>      WARNING: unknown gui '5', using X11
> This is a bug because according to the documentation in ?Rscript besides
> `-e` the only [options] Rscript should attempt to parse should
> 1) Come before the file i.e. `Rscript -g X11 test.R` and not `Rscript
> test.R -g X11`
> 2) Begin with two dashes and not one i.e. `--` and not `-' i.e. `Rscript
> --gui=X11 test.R` and not `Rscript -g X11 test.R` (although I'm not sure if
> the command-line Rscript even needs to be supporting the gui option).
> Thanks,
> Trevor
> 	[[alternative HTML version deleted]]
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