field>...]   Show field(s) to stdout.
  -e|--control <deb> [<directory>] Extract control info.
  -x|--extract <deb> <directory>   Extract files.
  -X|--vextract <deb> <directory>  Extract & list files.
  -R|--raw-extract <deb> <directory>
                                   Extract control info and files.
  --ctrl-tarfile <deb>             Output control tarfile.
  --fsys-tarfile <deb>             Output filesystem tarfile.