[R] FInd packages in need of Update (like RStudio)

[Dr Eberhard W Lisse]

Hi,

does anyone know how one would look which packages require an update
(like the Tools -> Update Packages) but can do it from R (ie Rscript) or
any other way from the command line (on the MAc)

I would like to build this into my update script which currently does
brew, cpan and pip3 :-)-O

greetings, el
-- 
Dr. Eberhard W. Lisse   \         /       Obstetrician & Gynaecologist
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