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MCMaurer/reinstall_old_packages.R

Last active January 25, 2019 06:05
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reinstall_old_packages.R
# run this BEFORE you reinstall R/RStudio
old_packages <- list.files(.libPaths())
saveRDS(old_packages, "test_old_packages.rds")
# now you close RStudio and reinstall the new R and RStudio
# now you run THIS after you've installed R and RStudio anew
old_pkg_import <- readRDS("test_old_packages.rds")
pkgs_to_install <- unique(old_pkg_import)
install.packages(pkgs_to_install)
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