| _, "csv-block", b -> csv_block := bool_of_string b
| _, "csv-net", b -> csv_net := bool_of_string b
| _, "batch", b -> batch_mode := bool_of_string b
| _, "csv-block", b -> csv_block := bool_of_string b
| _, "csv-net", b -> csv_net := bool_of_string b
| _, "batch", b -> batch_mode := bool_of_string b