Absolut or relative path to log file.
An attempt is made to convert the path into a canonical absolute form using normalizePath().
If NULL will set to <tmpdir>/loggit.log.
confirm
Print confirmation of log file setting?
create
Create the log file if it does not exist?
Details
No logs outside of a temporary directory will be written until this is set explicitly, as per CRAN policy.
Therefore, the default behavior is to create a file named loggit.log in your system's temporary directory.