Thanks Gabor, Are you or anyone aware if there is a text list of of package contents? The only way i have managed to get information like the number of dlls per package is by downloading the zip file to a tempporary file and listing its contents via unzip(..., list = TRUE). However, downloading every package on CRAN is a time consuming so if there was a more efficient way of finding the contents of each it would be useful to know. The code i am using on R2.10.1 on windows 7 contriburl <- "http://cran.uk.r-project.org/bin/windows/contrib/2.10 <http://cran.uk.r-project.org/bin/windows/contrib/2.10> " destdir <- "C:/colin/SCOTS-user-group/pkgs" lab.pkgs <- c("gamair","mgcv","survival","lme4","nlme","lattice","MASS","nnet","splines","stats4", "stats", "methods") available <- available.packages(contriburl = contriburl) fnames <- paste(available[,"Repository"], available[,"File"], sep = "/") tmpf <- paste(tempfile(), ".zip", sep = "") pkg.contents <- lapply(fnames, function(x) {download.file(x, tmpf); unzip(tmpf, list = TRUE)}) ndlls <- sapply(pkg.contents, function(x) sum( grepl( ".dll", x $ Name ))) pkg.summ <- data.frame(pkg = rownames(available), dll = ndlls)
Thanks again, Colin. ________________________________ From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com] Sent: Wed 13/01/2010 22:09 To: Colin Millar Cc: r-help@r-project.org Subject: Re: [R] R package dependencies See the dep function defined here: http://tolstoy.newcastle.edu.au/R/e6/help/09/03/7159.html On Wed, Jan 13, 2010 at 11:39 AM, Colin Millar <c.mil...@marlab.ac.uk> wrote: > Hi there, > > My question relates to getting information about R packages. In particular i > would like to be able to find from within R: > what are a packages dependencies > what are a packages reverse dependencies > does a package contain a dll > > The reason i ask is: > > The organisation that i work for is introducing a secure intranet operating > on windows PCs and laptops, and this requires that all software / executables > / dlls are validated before they are combined to produce a generic PC build. > > I would like to maximise the packages available to our staff and so for the > packages that we have listed as buisness needs, i would like to include all > reverse dependencies of this collection that do not have dlls. > > I hope this makes sense (the question not the reason). > > Kind regards, > Colin. > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ [[alternative HTML version deleted]] ______________________________________________ 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.
