On 09/12/2021 17:13, Ziv Wolkowicki wrote:
Team,
I have an unusual issue I am only observing on specific binaries of R. I used to have
ARM build of R-4.1.0 from https://cran.r-project.org/bin/macosx/
<https://cran.r-project.org/bin/macosx/>, and updated to R-4.1.2 running on my
M1 Mac. Hitting ‘Ctrl+R’ (reverse search of previously run commands) did nothing on
either version. It does not react in any way. Though it reacts to Ctrl+C for example,
so it is respond to some signals.
Hmm, what does extSoftversion() say? I see
readline
"4.2 (EditLine wrapper)"
So it is not using readline, and it is that which supports Ctrl-R (which
is not a signal). This is all in the R-admin manual for you to read ....
The unusual thing is, installing the ARM version for R-4.1.2 from homebrew, and also
the x86 Mac build of R-4.1.2 from https://cran.r-project.org/bin/macosx/
<https://cran.r-project.org/bin/macosx/>, Ctrl+R works just fine.
Whereas the Intel (x86_64, sic) build is built with readline. My guess
is that Homebrew's R was too, but extSoftversion() would tell you --
OTOH last time I looked it was built without cairo support. (But
Homebrew is not supported here.)
I still have both homebrew and pre-packaged versions installed on my system if
you need some additional information or experiments run.
Thanks,
Ziv
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--
Brian D. Ripley, rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
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