[R-pkg-devel] Example files for functions reading binary files

Rafael,

I believe the issue is that packages cannot include binary *executables.* If
you have a binary file (such as a parquet file) in inst/extdata, I do not
think that would be a problem. It would be a good idea to ensure that that
file is small, though. I think downloading a file is a big no no to be ran
on CRAN machines. I would personally advise against downloading anything.

On Sun, Dec 3, 2023 at 9:54?AM Rafael Ayala Hernandez <
Rafael.AyalaHernandez at oist.jp> wrote:

ello,

I have added some functions to read binary files in my asteRisk package.
The binary files that are read contain just arrays of coefficients and
metadata about these.

I would like to provide a small file of these to be used in the examples
of the man page for the functions that read them. However, section 1.1 of
"Writing R Extensions? states that no binary files are accepted in
submissions to CRAN (https://cran.r-project.org/doc/manuals/R-exts.html)

I was wondering if it would be acceptable to download the example file to
a temporary file in the example themselves (and in fact, also in unit
tests), and then read it from there?

I could not find any statement against this in ?Writing R Extensions?, but
I would like to confirm that this is OK to do before submitting an updated
version of the package to CRAN.

Thanks a lot in advance

Best wishes,

Rafa

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