Usage:
     cover -test

     cover -report html_basic

Options:
    The following command line options are supported:

     -h -help              - show help
     -i -info              - show documentation
     -v -version           - show version

     -silent               - don't print informational messages (default off)
     -summary              - give summary report                (default on)
     -report report_format - report format                      (default html)
     -outputdir dir        - directory for output               (default given db)
     -launch               - launch report in viewer (if avail) (default off)

     -select filename      - only report on the file            (default all)
     -ignore filename      - don't report on the file           (default none)
     -select_re RE         - append to REs of files to select   (default none)
     -ignore_re RE         - append to REs of files to ignore   (default none)
     -relative_only        - for XS, ignore absolute paths      (default off)
     -gcov_chdir           - for XS, run gcov in subdirs        (default off)
     -write [db]           - write the merged database          (default off)
     -delete               - drop database(s)                   (default off)
     -dump_db              - dump database(s) (for debugging)   (default off)

     -coverage criterion   - report on criterion  (default all available)

     -test                 - drop database(s) and run make test (default off)
     -gcov                 - run gcov to cover XS code     (default on if using gcc)
     -make make_prog       - use the given 'make' program for 'make test'
     -prefer_lib           - prefer files in lib                (default off)
     -ignore_covered_err   - allow covering uncoverable code    (default off)

     -add_uncoverable_point    string
     -delete_uncoverable_point string
     -clean_uncoverable_points
     -uncoverable_file         file

     other options specific to the report format

     coverage_database [coverage_database ...]

    The "-report", "-select", "-ignore", "-select_re", "-ignore_re", and
    "-coverage" options may be specified multiple times.