eZ components PersistentObject definition generator

Error while processing your options: Argument with name 'def dir' is mandatory
but was not submitted.

Usage: $  -s <string> -f <string> [-o] [-p <string>] [-h] [--] <string:def dir>
[<string:class dir>]
Generates defition files for the eZ PersistentObject package from eZ
DatabaseSchema formats. The directory to save the definition files to is
provided as an argument.

-s / --source       DatabaseSchema source to use.
-f / --format       DatabaseSchema format of the input source.
-o / --overwrite    Overwrite existing files.
-p / --prefix       Class prefix.
-h / --help         Retrieve detailed help about this application.
Arguments:          
<string:def dir>    PersistentObject definition directory.
<string:class dir>  Class directory.