Aren't you just looking for this? > default.wd <- setwd(tmp.wd <- choose.dir())
---------------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Berend Hasselman > Sent: Friday, November 02, 2012 3:36 PM > To: Markus Holotta > Cc: r-help@r-project.org > Subject: Re: [R] Strange behaviour of setwd/getwd > > > On 02-11-2012, at 21:02, Markus Holotta wrote: > > > Maybe my question was not clear enough: > > default.wd is the working dir defined in the RStudio options. > > In my script I want to change it temporarily to another directory by > setwd(choose.dir()) and set it back to the default.wd before calling > another script. But after choosing the new directory tmp.wd shows the > same path in the workspace as default.wd. Calling getwd() shows the > correct path. > > Hope its clearer now. > > > > No. > Read the help for setwd(). > > setwd returns the current directory before the change, invisibly and > with the same conventions as getwd. It will give an error if it does > not succeed (including if it is not implemented). > > The essential bit is "before the change". > > Berend > > > > > > Am 02.11.2012, 19:14 Uhr, schrieb Duncan Murdoch > <murdoch.dun...@gmail.com>: > > > >> On 02/11/2012 12:57 PM, Markus Holotta wrote: > >>> I've found the following strange behaviour R (RStudio) which has > been > >>> confirmed by another user in RGui. > >>> > >>> > >>> Inside a script I want to set two variables: > >>> > >>> default.wd = getwd() > >>> tmp.wd = setwd(choose.dir()) > >>> > >>> After choosing tmp.wd the value of default.wd is shown in > Workspace, but > >>> getwd() is giving back the correct string of tmp.wd. > >>> Is there a workaround for the problem? > >>> > >> > >> > >> It's not clear what the problem is from your post. As the help page > says, both default.wd and tmp.wd should be the same after executing > those two lines. If you want to store both the old and new > directories, you should do it like this: > >> > >> old.wd <- setwd(choose.dir()) > >> new.wd <- getwd() > >> > >> Duncan Murdoch > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
