Many of the processing programs which follow Kvis (ex. bFit, wbCalib) use a so-called sum file of processed block data as their input. Here is one way to produce that file for an entire night of data.
Make sure doPrintBlock is set to 1 in ini.params.
> setenv DATA_DIR /proj/keckdata/sdata900/2001311 > Kvis | grep SUM > outputData.sum