Usage: python metrix++.py --help
       python metrix++.py export --help
       python metrix++.py export [options] -- [path 1] ... [path N]

Options:
  -h, --help            show this help message and exit
  --db-file=DB_FILE, --dbf=DB_FILE
                        Path to a database file to read and process [default:
                        ./metrixpp.db].
  --db-file-prev=DB_FILE_PREV, --dbfp=DB_FILE_PREV
                        Path to database file with data collected for the
                        past/previous code revision. It is used to identify
                        and evaluate/analyze change trends. [default: none].
  --log-level=LOG_LEVEL, --ll=LOG_LEVEL
                        Defines log level. Possible values are
                        'DEBUG','INFO','WARNING' or 'ERROR'. Default value is
                        inherited from environment variable
                        'METRIXPLUSPLUS_LOG_LEVEL' if set. [default: INFO]
