## Not run:
# is_in_.First_in_Rprofile.site("suppressMessages(library(installr))") # FALSE
# add_to_.First_in_Rprofile.site("suppressMessages(library(installr))")
# is_in_.First_in_Rprofile.site("suppressMessages(library(installr))") # TRUE
# remove_from_.First_in_Rprofile.site("suppressMessages(library(installr))")
# is_in_.First_in_Rprofile.site("suppressMessages(library(installr))") # FALSE
# # this would still leave .First
# ## End(Not run)
Run the code above in your browser using DataLab