Re: path.expand fails on some windows platform

Hi Iva,

As far as I understand in the cited bug path.expand return an string, maybe=
 not the correct one, but in the case I reported path.expand
fails giving an error message.

Best, Manuel.

El mi=C3=A9, 08-07-2026 a las 21:21 +0300, Ivan Krylov escribi=C3=B3:
> Dear Manuel Mu=C3=B1oz M=C3=A1rquez,
> =

> 8 july 2026 18:32:07 GMT+03:00, "Manuel Mu=C3=B1oz M=C3=A1rquez"
> <[email protected]> wrote:
> =

> > Dear all.
> > =

> > When using R version 4.6.1 on certain Windows platforms where the
> > username contains non-ASCII characters (such as "=C3=A1"), the command:
> > path.expand("~") fails with the following error:
> > Error: file name conversion problem -- name too long?
> > =

> > This occurs when the Windows OS does not define the R_USER environment
> > variable. In these cases, a call to Sys.getenv("R_USER") returns an
> > empty string ("").
> =

> Yes, this is a bug: https://bugs.r-project.org/show_bug.cgi?id=3D18949
> =

> The encoding conversion function that should be returning UTF-8 is
> called too early in the process startup, so it converts the home
> directory path to the wrong encoding (ANSI).
> =