++- Selene                                                 ** Veronica

files -rc = path mask @fp ->                               (@ files:rc path mask @fp +-
  - files-in target ( name ->                                  (# files-in target (@ name +-
                              if name IS_DIRECTORY ->                                 ([IS_DIRECTORY] name >
                                - files name mask fp                                      (# files name mask fp)
                              else                                                    >
                                - fp name                                                 (# fp name)
                    )                                                                 )
  ' target = path '/' mask                                                        )
;                                                              -
                                                                   (& path '/' mask .target)
                                                               )
                                                           )

