@Konrad, you're right, that's exactly what I'm looking for. That's great stuff. Thanks! (And thanks also to Gabor Grothendieck, who suggested modules to me way back.)
On Tue, Oct 4, 2016 at 7:07 AM, Konrad Rudolph <konrad.rudolph+r-de...@gmail.com> wrote: > Check out ‹klmr/modules› on Github (distinct from CRAN’s ‹modules›!). It > looks pretty much exactly like what you want: > > https://github.com/klmr/modules > > It has an extensive README and vignette explaining the usage. > > Cheers, > Konrad > > -- > Konrad Rudolph > On Sun, 2 Oct 2016 at 18:31 Kynn Jones <kyn...@gmail.com> wrote: >> >> I'm looking for a way to approximate the "zero-overhead" model of code >> reuse available in languages like Python, Perl, etc. >> >> I've described this idea in more detail, and the motivation for this >> question in an earlier post to R-help >> (https://stat.ethz.ch/pipermail/r-help/2016-September/442174.html). >> >> (One of the responses I got advised that I post my question here instead.) >> >> The best I have so far is to configure my PROJ_R_LIB environment >> variable to point to the directory with my shared code, and put a >> function like the following in my .Rprofile file: >> >> import <- function(name){ >> ## usage: >> ## import("foo") >> ## foo$bar() >> path <- file.path(Sys.getenv("PROJ_R_LIB"),paste0(name,".R")) >> if(!file.exists(path)) stop('file "',path,'" does not exist') >> mod <- new.env() >> source(path,local=mod) >> list2env(setNames(list(mod),list(name)),envir=parent.frame()) >> invisible() >> } >> >> (NB: the idea above is an elaboration of the one I showed in my first >> post.) >> >> But this is very much of an R noob's solution. I figure there may >> already be more solid ways to achieve "zero-overhead" code reuse. >> >> I would appreciate any suggestions/critiques/pointers/comments. >> >> TIA! >> >> kj >> >> ______________________________________________ >> 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
