| Sys.getenv {base} | R Documentation |
Get Environment Variables
Description
Sys.getenv obtains the values of the environment variables named by
x.
Usage
Sys.getenv(x)
Arguments
x |
a character vector, or missing |
Value
A vector of the same length as x, with the variable names as
its names attribute. Each element holds the value of the
environment variable named by the corresponding component of x
(or "" if no environment variable with that name was found).
On most platforms Sys.getenv() will return a named vector giving
the values of all the environment variables.
See Also
Sys.putenv,
getwd for the working directory.
Examples
Sys.getenv(c("R_HOME", "R_PAPERSIZE", "R_PRINTCMD", "HOST"))