Um, this is actually a lot easier purely with R - if you want to keep track of
your favorite packages it is as simple as
pkgs = rownames(installed.packages())
writeLines(pkgs, "packages.txt")
and oyu have a list of all packages that you can edit if desired. if you ever
want to re-install then simply
pkgs = readLines("packages.txt")
install.packages(pkgs)
and if you only want to install missing it's simply
missing.pkgs = pkgs[!pkgs %in% rownames(installed.packages())]
install.packages(missing.pkgs)
All trivially done in R. It is always beyond me why people come up with
incredibly convoluted solutions to simple things ..
Cheers,
Simon
> On 9/06/2021, at 8:55 PM, Dr Eberhard Lisse <nos...@lisse.na> wrote:
>
> On 08/06/2021 22:46, moleps islon wrote:
> [...]
>> I have no idea why, but my R installation (Mac OS X - Big Sur)
>> automatically updates causing havoc with my libraries each time. My
>> Mac is under administration from the university and their software
>> center, but they claim it is not their fault - but I still suspect
>> them for causing all the trouble.
> [...]
>
> Sounds like Homebrew to me. If so, or anyway, create a file (before
> updating) which contains something like
>
> #!/usr/bin/env Rscript --vanilla
> #
> # set the Mirror
> #
> local({
> r <- getOption("repos")
> r["CRAN"] <- "https://cloud.r-project.org/";
> options(repos = r)
> })
> install.packages(c(
> "lubridate",
> "tidyverse"
> ), dependencies = TRUE)
>
>
> or similar and run it if the additional libraries disappear.
>
> You can fill this with something like
>
> grep -h library *R \
> |awk -F 'library' '{print $2}' \
> |sed 's/(//g;s/)//g' \
> |sort -u \
> |awk '{print "\"" $1 "\","}'
> |sed '$ s/,$//'
>
> or in a few lines of the language of your choice generate the whole
> script. And of course refine to your liking with something like
>
> find ~/R -name '*.R' -exec grep -h library {} ';' \
> ...
>
> greetings, el
>
> --
> To email me replace 'nospam' with 'el'
>
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