use an ontology given in an OBO file to validate parent-child relationships. If no argument is given, the sofa.obo file from the gtdata/obo_files directory is used. If an argument is given, it is used as an OBO filename. In the case that such a file does not exist .obo is added to the argument and loading the resulting filename from the gtdata/obo_files directory is attempted. (default: undefined)

check Dbxref and Ontology_term attributes for correct syntax according to a abbreviation definition file. If no argument is given, the GO.xrf_abbs file from the gtdata/xrf_abbr directory is used. If an argument is given, it is used as an specific filename for an abbreviation file. In the case that such a file does not exist, .xrf_abbr is added to the argument and loading the resulting filename from the gtdata/xrf_abbr directory is attempted. (default: undefined)

display help and exit

display version information and exit