dpkg-ruby -V (return code: 1)
/usr/bin/dpkg-ruby: unrecognized option `--version'
/usr/bin/dpkg-ruby [opts] 'field:regexp' .. -- 'output_field' ..
opts: [-f file] [-d nn] [-s sf] [-n nf] [-rs rs]
dpkg-ruby --help (return code: 0)
/usr/bin/dpkg-ruby [opts] 'field:regexp' .. -- 'output_field' ..
opts: [-f file] [-d nn] [-s sf] [-n nf] [-rs rs]