if --only filter is used, we will parse just normalization files for this database.
-rw-r--r-- 612 MANIFEST
-rw-r--r-- 2987 Makefile.PL
-rw-r--r-- 800 README
-rw-r--r-- 2952 TODO
drwxr-xr-x - conf
drwxr-xr-x - lib
-rw-r--r-- 1185 pod.css
-rwxr-xr-x 17630 run.pl
drwxr-xr-x - scripts
drwxr-xr-x - sql
drwxr-xr-x - t
drwxr-xr-x - web