[Rd] upgrading an R installation to next versoin
Gabor Grothendieck
ggrothendieck at gmail.com
Fri Jul 1 00:19:24 CEST 2005
On 6/30/05, J. Hosking <jh910 at juno.com> wrote:
> Gabor Grothendieck wrote:
> > On 6/30/05, J. Hosking <jh910 at juno.com> wrote:
> >
> ...
>
> >> I keep a separate directory ...\R\library for nonstandard packages,
> >> with environment variable R_LIBS set to the directory name.
> >
> >
> > Do you mean your R_LIBS has two components: one to look in
> > ..\R\rcurrent\library and a second to look in ..\R\library? What does
> > it look like exactly?
> >
> > When you do install.packages(whatever) does it install to the
> > ..\R\library rather than ..\R\rcurrent\library ? Also, does
> > updates.packages() work as expected for you?
> >
> My R_LIBS environment variable is just
>
> R_LIBS=C:\progs\r\library
>
> and within R I see
>
> > .libPaths()
> [1] "C:/progs/r/library" "C:/progs/r/rcurrent/library"
>
> i.e., the default library is automatically appended. The help for
> .libPaths explains this. And yes, install.packages() installs to
> C:\progs\R\library and update.packages() works as expected.
>
> >
> >>My miktex.ini file specifies ...\R\rcurrent\share\texmf as a place
> >>to look for input files.
> >
> >
> > I think its necessary to rebuild the name data base in miktex too
> > initexmf -u
> > although ignoring that step may work as long as the filenames
> > have not changed.
>
> You are probably correct, though I have not yet encountered any problems
> that I could attribute to not running initexmf -- no doubt the filenames
> have not changed recently.
>
> > I was hoping to continue using a vanilla
> > miktex installation as I do now rather than having a custom miktex.ini
> > file. At any rate my batch file would continue to work even with your setup
> > so I think I should be ok here.
> >
> >
> >>That should take care of your points 3, 4, and 2, respectively.
> >>Duncan's suggestion of an R_ENVIRON environment variable (which
> >>I didn't know about; thanks, Duncan) should take care of point 1.
> >>
> >>Jon Hosking
> >
> >
> > It occurs to me in reading this that I could keep the *.site files in
> > ..\R and then have my miktex update batch file also copy them
> > to the appropriate etc folder. Thus keeping an R\library folder
> > and running the batch file after each new installation would
> > address 1, 2 and 4 even without using the same name for the
> > rw... folder. This still does not handle the shortcut key which
> > I would have to handle manually or determine if there is a way
> > I could also add that to my batch file.
> >
>
> Jon Hosking
>
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