safe wrapper of Sys.getenv()

So far the helper is needed to handle env vars containing : for which the backslash is automatically added in some contexts and R could not get the original value for these env vars.

Usage

get_env_var(x, ...)

Arguments

x

string with the name of the environemntal variable

...

additional params for Sys.getenev

Value

sanitized value of the env variable

Examples

get_env_var("HOME")
#> [1] "/root"