You might be able to take advantage of the ObjectTable support in C, which is part of R, see R_ext/Callbacks.h.
Michael On Thu, Jul 19, 2012 at 10:30 AM, Jeroen Ooms <jeroen.o...@stat.ucla.edu>wrote: > I was wondering if anyone knows more about the state of RObjectTables. This > largely undocumented functionality was introduced by Duncan around 2002 > somewhere and enables you create an environment where the contents are > dynamically queried by R through a hook function. It is mentioned in R > Internals and ?attach. This functionality is quite powerful and allows you > to e.g. offload a big database of R objects to disk, yet use them as if > they were in your workspace. The recent RProtoBuf package also uses some of > this functionality to dynamically lookup proto definitions. > > I would like to do something similar, but I am not sure if support for this > functionality will be or has been discontinued. The RObjectTables package > is no longer available on OmegaHat and nothing has not been mentioned on > the mailing lists for about 5 years. I found an old version of the package > no github which seems to work, but as far as I understand, the package > still needs the hooks from within R to work. So if this functionality is > actually unsupported and might be removed at some point, I should probably > not invest in it. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
