[R] Testing for R CMD INSTALL

[Bert Gunter]

Does ?installed.packages help?

Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Sat, Jul 24, 2021 at 8:30 AM Andrew Simmons <akwsimmo using gmail.com> wrote:

> Hello,
>
>
> I was wondering if anyone has a way to test if a package is currently being
> installed. My solution was to check if environment variable "R_INSTALL_PKG"
> was unset, something like:
>
> "R CMD INSTALL-ing" <- function ()
> !is.na(Sys.getenv("R_INSTALL_PKG", NA))
>
> Unfortunately, I couldn't find what I was looking for with ?"environment
> variables". So if anyone has any better methods, I'd be happy to hear them,
> thank you!
>
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>
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