$ merb-gen
 ~ Merb::Orms::DataMapper::Connect block.
 ~ Connecting to database...
 ~ Checking if we need to use DataMapper sessions
 ~ Merb::Orms::DataMapper::Connect complete
 ~ Compiling routes...
Usage: merb-gen generator_name [options] [args]

Generate components for your application or entirely new applications.

Available Generators
    resource                         Generates a new resource.
    helper                           Generates a new helper.
    session_migration                Generates a new session migration.
    controller                       Generates a new controller.
    slice                            Generates a merb slice.
    part                             This is a part controller generator
    plugin                           Merb plugin generator: lets you kick start your Merb plugin.
    layout                           Generates a layout
    resource_controller              Generates a new resource controller.
    model                            Generates a new model. You can specify an ORM different from what the rest
    app                              Generates a merb application.
    migration                        This is a migration generator

General options:
    -p, --pretend                    Run, but do not make any changes.
    -f, --force                      Overwrite files that already exist.
    -s, --skip                       Skip files that already exist.
    -d, --delete                     Delete files that have previously been generated with this generator.
        --no-color                   Don't colorize the output
    -h, --help                       Show this message
        --version                    Show the version
        --debug                      Do not catch errors