Did you test with R 4.0.2 or R-devel? A bug related to this issue was recently fixed:
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=17833 Best, Kevin On Mon, Jun 29, 2020 at 11:51 AM Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > > On 29/06/2020 10:39 a.m., Johannes Rauh wrote: > > Dear R Developers, > > > > I noticed that `basename` and `dirname` always return "UTF-8" on Windows > > (tested with R-4.0.0 and R-3.6.3): > > > >> p <- "Föö/Bär" > >> Encoding(p) > > [1] "latin1" > >> Encoding(dirname(p)) > > [1] "UTF-8" > >> Encoding(basename(p)) > > [1] "UTF-8" > > > > Is this on purpose? At least I did not find any relevant comment in the > > documentation of `dirname`/`basename`. > > > > Background: I'm currently struggeling with a directory name containing a > > latin1-character. (I know that this is a bad idea, but I did not create > > the directory and I cannot rename it.) I now want to pass a > > latin1-directory name to a function, which internally uses > > `tools::makeLazyLoadDB`. At that point, internally, `dirname` is called, > > which changes the encoding, and things break. If I use `debug` to halt the > > processing and "fix" the encoding, things work as expected. > > > > So, if possible, I would prefer that `dirname` and `basename` preserve the > > encoding. > > Actually, makeLazyLoadDB isn't exported from tools, so strictly speaking > you shouldn't be calling it. Or perhaps you have a good reason to call > it, and should be asking for it to be exported, or you are calling a > published function which calls it: in either case it should probably be > fixed to accept UTF-8. > > But it doesn't call dirname or basename, so maybe the function that > calls it is the one that needs fixing. > > In any case, while asking dirname() and basename() to preserve the > encoding sounds reasonable, it seems like it would just be covering up a > deeper problem. > > Duncan Murdoch > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel