Spencer Graves wrote:
> Hi, All:
>
> Is there a way to identify whether any users are using a
> particular package in a shared network R installation?
>
> I ask, because we have such a multiple-user installation and when
> I tried to install a package using Rgui that was in use by Rterm on a
> single-user installation, 'install.packages' deleted the existing
> package but failed to install the new version; see below.
>
> I'm concerned especially about the following multiple user
> scenario: User A on terminalServer1 tries "install.packages('mvtnorm')"
> when user B on terminalServer2 was using 'mvtnorm'; both are using the
> same network installation. If the results match my experience on a
> single-user installation, the existing version will be deleted but the
> new version will NOT be installed. Any subsequent new attempt to access
> 'mvtnorm' will fail until all current users of 'mvtnorm' quit those
> sessions and someone subsequently invokes
Spencer,
I am using a script that asks Windows if a file is opened in a
subdirectory of the R library I am going to install or update packages
in, which basically uses the Windows shell command
net file
Then simply grep for the package name you want to install...
> "install.packages('mvtnorm')". In fact, user B could have disconnected
> from that session a month ago, and may have long forgotten the R session
> that is still officially active, though perhaps consuming 0 CPU seconds
> in the past month!
That's worse and really hard to deal with, I fear.
Best wishes,
Uwe
> Thanks,
> Spencer
> #######################################
> ##
> ## Rgui
> ##
> #######################################
> R version 2.6.2 (2008-02-08)
> <snip>
> > utils:::menuInstallPkgs()
> trying URL
> 'http://cran.cnr.berkeley.edu/bin/windows/contrib/2.6/mvtnorm_0.8-3.zip'
> Content type 'application/zip' length 214769 bytes (209 Kb)
> opened URL
> downloaded 209 Kb
>
> package 'mvtnorm' successfully unpacked and MD5 sums checked
> Warning: cannot remove prior installation of package 'mvtnorm'
>
> The downloaded packages are in
> C:\Documents and Settings\spencerg\Local
> Settings\Temp\RtmpghgskA\downloaded_packages
> updating HTML package descriptions
> > library(mvtnorm)
> Error in library(mvtnorm) : there is no package called 'mvtnorm'
>
> > sessionInfo()
> R version 2.6.2 (2008-02-08)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
> States.1252;LC_MONETARY=English_United
> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> loaded via a namespace (and not attached):
> Error in x[["Version"]] : subscript out of bounds
> In addition: Warning message:
> In FUN(c("mvtnorm", "tools")[[2L]], ...) :
> DESCRIPTION file of package 'mvtnorm' is missing or broken
> >
> #######################################
> ##
> ## Concurrent Rterm session
> ##
> #######################################
> R version 2.6.2 (2008-02-08)
>
> <snip>
>
> > dmvnorm(1:2)
> [1] 0.01306423
> [1] ".GlobalEnv" "package:mvtnorm" "package:stats"
> [4] "package:graphics" "package:grDevices" "package:utils"
> [7] "package:datasets" "package:methods" "Autoloads"
> [10] "package:base"
> > detach()
> > dmvnorm(1:2)
> Error: could not find function "dmvnorm"
> > library(mvtnorm)
> Error in library(mvtnorm) : there is no package called 'mvtnorm'
> > sessionInfo()
> R version 2.6.2 (2008-02-08)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
> States.1252;LC_MONETARY=English_United
> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> loaded via a namespace (and not attached):
> Error in x[["Version"]] : subscript out of bounds
> In addition: Warning message:
> In FUN(c("mvtnorm", "stepAICc")[[2L]], ...) :
> DESCRIPTION file of package 'mvtnorm' is missing or broken
> >
>
> ______________________________________________
> 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
