Dear prof. Ripley, thank you for your answer. A few additional questions below.
On Fri, Jun 23, 2017 at 5:25 PM, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: > On 23/06/2017 15:35, Joris Meys wrote: > >> Related to the following question on Stackoverflow: >> https://stackoverflow.com/questions/44723690/unexpected-beha >> vior-of-sys-setlocale#44723690 >> >> It appears as if Sys.setlocale() does not update LC_TIME correctly for use >> in date formatting. Although R reports that LC_TIME is changed to the new >> setting after use of Sys.setlocale(), as.Date() still uses the old >> settings. The only way to update this is by specifically using LC_TIME. >> >> Is this a bug or am I overlooking something? >> > > Try setting the LC_TIME category explicitly. The mapping of day/month > names used by strptime (not really as.Date, and not taken from LC_TIME) is > then reset. > I have done so in the example, and I am aware that the underlying function is strptime. I just wondered why setting LC_ALL did not refresh the mapping, as LC_ALL -afaik- also updates LC_TIME to a new locale > > Since Windows does not have a usable strptime C function, a substitute is > used and its handing of non-English names is not done through the OS's > locale mechanism. This explains the behaviour. Is there a reason why this substitute is only updating the mapping of day/month names when LC_TIME is set explicitly and not when LC_ALL (and hence also LC_TIME) is set? Regards Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Mathematical Modelling, Statistics and Bio-Informatics tel : +32 (0)9 264 61 79 joris.m...@ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel