installr (version 0.22.0)

is_in_.First_in_Rprofile.site: Remove a code line from Rprofile.site .First

Description

Goes through

Usage

is_in_.First_in_Rprofile.site(code, fixed = TRUE, ...)

Arguments

code

A character scalar with code to add at the beginning of the .First function in Rprofile.site

fixed

passed to grep

...

passed to grep

Value

logical, if code is in Rprofile.site or not.

References

http://stackoverflow.com/questions/1395301/how-to-get-r-to-recognize-your-working-directory-as-its-working-directory http://stackoverflow.com/questions/1189759/expert-r-users-whats-in-your-rprofile http://www.noamross.net/blog/2012/11/2/rprofile.html http://www.statmethods.net/interface/customizing.html

Examples

# 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
# }