[Rd] Runnable R packages

[David Lindelof]

Sure, you can find it here:

https://github.com/dlindelof/run


On Fri, Feb 8, 2019 at 9:41 AM Rainer M Krug <Rainer using krugs.de> wrote:

> Sounds interesting. Do you have it on GitHub or similar?
>
> Rainer
>
> On 8 Feb 2019, at 09:09, David Lindelof <lindelof using ieee.org> wrote:
>
> Yesterday I wrote and submitted to CRAN a package `run`, which implements
> the ideas discussed in this thread. Given a package tarball
> foo_0.1.0.tar.gz, users will be able to run
>
> Rscript -e "run::run('foo_0.1.0.tar.gz')"
>
> which will pull all the dependencies of package `foo`, lookup a function
> `main` in that package's namespace, and call it.
>
> It's an early draft but I'd appreciate any feedback (once its submission is
> accepted, of course).
>
> Thanks all for your help and advice,
>
> David
>
> On Sat, Feb 2, 2019 at 3:37 PM Duncan Murdoch <murdoch.duncan using gmail.com>
> wrote:
>
> On 02/02/2019 8:27 a.m., Barry Rowlingson wrote:
>
> I don't think anyone denies that you *could* make an EXE to do all
> that. The discussion is on *how easy* it should be to create a single
> file that contains an initial "main" function plus a set of bundled
> code (potentially as a package) and which when run will install its
> package code (which is contained in itself, its not in a repo),
> install dependencies, and run the main() function.
>
> Now, I could build a self-executable shar file that bundled a package
> together with a script to do all the above. But if there was a "RUN"
> command in R, and a convention that a function called "foo::main"
> would be run by `R CMD RUN foo_1.1.1.tar.gz` then it would be so much
> easier to develop and test.
>
>
> I don't believe the "so much easier" argument that this requires a
> change to base R.  If you put that functionality into a package, then
> the only extra effort the user would require is to install that other
> package.  After that, they could run
>
> Rscript -e "yourpackage::run_main('foo_1.1.1.tar.gz')"
>
> as I suggested before.  This is no harder than running
>
> R CMD RUN foo_1.1.1.tar.gz
>
> The advantage of this from R Core's perspective is that you would be
> developing and maintaining "yourpackage", you wouldn't be passing the
> burden on to them.  The advantage from your perspective is that you
> could work with whatever packages you liked.  The "remotes" package has
> almost everything you need so that "yourpackage" could be nearly
> trivial.  You wouldn't need to duplicate it within base R.
>
> Duncan Murdoch
>
>
> If people think this adds value, then if they want to offer that value
> to me as $ or £, I'd consider writing it if their total value was more
> than my cost....
>
> Barry
>
>
> On Sat, Feb 2, 2019 at 12:54 AM Abs Spurdle <spurdle.a using gmail.com> wrote:
>
>
> Further to my previous post,
> it would be possible to create an .exe file, say:
>
> my_r_application.exe
>
> That starts R, loads your R package(s), calls the R function of your
>
> choice
>
> and does whatever else you want.
>
> However, I don't think that it would add much value.
> But feel free to correct me if you think that I'm wrong.
>
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> --
> Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc
> (Conservation Biology, UCT), Dipl. Phys. (Germany)
>
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