System Environment Variables
System Environment Variables
Sys.getenv_value(name, raw = FALSE)
name |
variable name as a character string. |
raw |
logical that indicates if one should return the raw value or
the convertion of any false value to |
the value of the environment variable as a character string or
NA is the variable is not defined at all.
# undefined returns FALSE
Sys.getenv_value('TOTO')
# raw undefined returns NA
Sys.getenv_value('TOTO', raw = TRUE)
Sys.setenv(TOTO='bla')
Sys.getenv_value('TOTO')
# anything false-like returns FALSE
Sys.setenv(TOTO='false'); Sys.getenv_value('TOTO')
Sys.setenv(TOTO='0'); Sys.getenv_value('TOTO')
# cleanup
Sys.unsetenv('TOTO')Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.