Usage: gdbm_dump [OPTION]... DB_FILE [FILE]
dump a GDBM database to a file

  -H, --format=binary|ascii|0|1
                             select dump format

  -h, --help                 give this help list
      --usage                give a short usage message
  -V, --version              print program version

Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.

Report bugs to <bug-gdbm@gnu.org>.
gdbm home page: <http://www.gnu.org/software/gdbm>