USAGE

advcal [-aot] [long options...]
  -c --config       the ini file to read for configuration
  -a --article-dir  the root of articles
  --share-dir       the root of shared files
  -o --output-dir   output directory
  --today           the day we treat as "today"; default to today

  -t --tracker      include Google Analytics; -t TRACKER-ID

For more detailed information, see WWW::AdventCalendar.