-f Force. Force the execution not to fail on error.
-o output_grib_file
Output grib is written to output_grib_file.
If an output grib file is required and -o is not used, the output grib is written to filtered.out
-M Multi-field support off. Turn off support for multiple fields in single grib message.
-V Version.
-g Copy GTS header.
-G GRIBEX compatibility mode.
-T T | B | A Message type. T->GTS, B->BUFR, A->Any (Experimental). The input file is interpreted according to the message type.
-7 Does not fail when the message has wrong length
-v Verbose.