I think the idea is to do as below. You can also make temporary directories in
a similar way.
tempFile <- tempfile()
# write to tempFile, and use it anyway you like
unlink(tempFile)
> On Nov 11, 2024, at 9:22 AM, Alexander Pate <alexander.p...@manchester.ac.uk>
> wrote:
>
> CAUTION: The Sender of this email is not from within Dalhousie.
>
> Hello,
>
> The CRAN policies (https://cran.r-project.org/web/packages/policies.html) for
> R package development state:
>
> "Packages should not write in the user's home filespace (including
> clipboards), nor anywhere else on the file system apart from the R session's
> temporary directory (or during installation in the location pointed to by
> TMPDIR: and such usage should be cleaned up)."
>
> If a file is created in the R session's temporary directory, does it then
> need to be cleaned up? Or does it only apply "during installation in the
> location pointed to by TMPDIR". I am unsure, given the "and such usage should
> be cleaned up" is contained within the brackets, whether it applies to
> creating files in the temporary directory during function
> examples/vignettes/tests.
>
> For example, the following command will create an SQLite database in the R
> session's temporary directory:
>
> testdb <- RSQLite::dbConnect(RSQLite::SQLite(), tempfile("temp"))
>
> Suppose a package function (called: myfunc) runs this command. Should the
> file created in the temporary directory have to be removed after running an
> example of myfunc, or a test for myfunc, or when myfunc is used in a vignette?
>
> I think part of my confusion comes from not understanding what TMPDIR is
> during installation. Is this just the temporary directory used when vignettes
> are built during package installation? In which case they are effectively the
> same thing?
>
> Many thanks
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-package-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-package-devel
______________________________________________
R-package-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-package-devel
