UV_FLAG /FILE

        [CLEAN\]UV_FLAG /FILE FileIn [FileOut] [/ANTENNA Iant] [/DATE ...]
      [/RESET]

    Flag data found in FileIn, and store the result in FileOut, or in  place  if
    FileOut  is  not specified.  Note that the UV_FLAG command has no memory: it
    caannot restore the flagging to a previous state, but only  flag  or  unflag
    from the current flag state.