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Given a list of packages, check if installed and generate message, otherwise load package.
ru_load_library(pkgs)
'NULL' because packages are loaded.
A list of packages to check if installed and then load.
Yongwei Wang, yongwei.x.wang@viivhealthcare.com Chris Rook, cr883296@gmail.com
library(repfun) repfun::ru_load_library(c("dplyr", "haven", "magrittr", "r2rtf"))
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