$_> modware-export chado2dictynoncanonicalgff3 [-?chlopu] [long options...]
	-h -? --usage --help        Prints this usage information.
	--reference_id              reference feature name/ID/accession
	                            number. In this case,  only all of its
	                            associated features will be dumped
	-o --output                 Name of the output file,  if absent
	                            writes to STDOUT
	--attr --attribute          Additional database attribute
	--feature_name              Output feature name instead of sequence
	                            id in the seq_id field,  default is off.
	--pass -p --password        database password
	--write_sequence_region     write sequence region header in GFF3
	                            output,  default if off
	--source                    Name of database/piece of
	                            software/algorithm that generated the
	                            gene models. By default it is *Sequencing
	                            Center*.
	--dsn                       database DSN
	--schema_debug              Output SQL statements that are executed, 
	                            default to false
	-u --user                   database user
	--log_level                 Log level of the logger,  default is error
	-l --logfile                Name of logfile,  default goes to STDERR
	-c --configfile             yaml config file to specify all command
	                            line options