[R-pkg-devel] Error in CHECK caused by dev.off()

Helmut Schütz he|mut@@chuetz @end|ng |rom beb@c@@t
Thu Jul 23 14:18:42 CEST 2020

Hi David,

David Cortes wrote on 2020-07-23 13:16:
> It is explained here:
> https://cran.r-project.org/web/packages/policies.html
> Section about source packages:
> "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)."

THX; I missed that! However, the policy continues:
"Limited exceptions may be allowed in interactive sessions if the 
package obtains confirmation from the user."
IMHO, this is applicable here (i.e., the user _should_ specify a 
directory (as recommended in the man-pages), and only if none is 
provided, a warning is issued and confirmation obtained).
If I would use tempdir() and the user forgets to copy the result files 
to another location and closes the console, everything would be lost and 
the user would have to start again from scratch. I think that this is 
not very user-friendly.


Ing. Helmut Schütz
BEBAC – Consultancy Services for
Bioequivalence and Bioavailability Studies
Neubaugasse 36/11
1070 Vienna, Austria
E helmut.schuetz using bebac.at
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