installr (version 0.15.3)

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

is_in_.First_in_Rprofile.site("suppressMessages(require(installr))") # FALSE
add_to_.First_in_Rprofile.site("suppressMessages(require(installr))")
is_in_.First_in_Rprofile.site("suppressMessages(require(installr))") # TRUE
remove_from_.First_in_Rprofile.site("suppressMessages(require(installr))")
is_in_.First_in_Rprofile.site("suppressMessages(require(installr))") # FALSE
# this would still leave .First