#!/usr/bin/clitosis  ## -*- shell-script -*-

$ dadd 2021-00-00 -0d
2021-00-00
$ dadd 2021-00-00 -1d
2020-12-31
$ dadd 2021-00-00 -0b
2021-00-00
$ dadd 2021-00-00 -1b
2020-12-31
$

## dadd.102.ctst ends here