Re: [Rd] Generate .Rout.save files for vignettes

From: Duncan Murdoch <murdoch.duncan_at_gmail.com>
Date: Tue, 11 Dec 2012 08:52:53 -0500

On 12-12-10 11:45 AM, Benjamin Hofner wrote:
> I am looking for a way to generate .Rout.save files for vignettes.
> The manual "Writing R Extensions" states here [1] in item number 20:
>
> "If there is a target output file .Rout.save in the vignette source
> directory, the output from running the code in that vignette is compared
> with the target output file."
>
> Yet, there is no pointer on how to get the correct .Rout.save files for
> vignettes. (For the files in directory "test" there is a footnote on how
> to get the .Rout.save files. [2])

I agree, this should be documented. But it is rather easy:

Just create an empty file and call it vignette.Rout.save. Run the checks, and you'll get lots of errors because it won't compare to the real output.

When you get a compare failure, the file vignette.Rnw.log will be left in the *.Rcheck directory. You can just copy that into the vignette.Rout.save file.

Duncan Murdoch

>
> As a temporary solution, we currently use a script that calls
> tools:::.run_one_vignette() on each vignette and dumps the output:
>
> echo 'tools:::.run_one_vignette("vignette.Rnw", docDir = ".");' | R
> --vanilla > vignette.Rout.save
>
> However, this doesn't result in the same code as produced by R CMD
> check. E.g., we get the R startup header and furthermore get the output
> in German where localization is available (thus having differences when
> running R CMD check).
>
> Does anyone have any hints on how to automatically get the correct
> results (i.e., without the header)? And is it possible to include these
> hints in the "Writing R extensions" manual for other users?
>
> Any help is highly appreciated.
> Best,
> Benjamin
>
> --------------------
> [1] http://cran.r-project.org/doc/manuals/R-exts.html#Checking-packages
> [2] http://cran.r-project.org/doc/manuals/R-exts.html#fn-15
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-devel
>



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