The second is the start position of the match found. The third is the actual sequence that was matched by the search pattern. If the option '-desc' is used then the description of the sequence is displayed before each line showing the match details. If the option '-acc' is also used then the accession number of the sequence is displayed before each line showing the match details. If the option '-usa' is used then the Uniform Sequence Address is output at the start of each line of match details.
Data files None.
Diagnostic Error Messages None. It always exits with a status of 0. Known bugs None. This program is intended to be used by everyone and everything, from naive users to embedded scripts.