User name of the current user

Tries the LOGNAME, USER, LNAME, USERNAME environment variables first. Then it tries the id command on Unix-like platforms and whoami on Windows.

Usage

username(fallback = NULL)

Arguments

fallback

If not NULL then this value is returned if the username cannot be found, instead of triggering an error.

Value

The user name of the current user.

See also

Other user names: email_address, fullname, gh_username, whoami

Examples

if (FALSE) {
username()
}