Add function for just the date.

tasks/general/acct_mgmt/users.yml

@@ -777,6 +777,9 @@
       function now {
         date "+%Y%m%d_%H%M%S"
       }
+      function today {
+        date "+%Y%m%d"
+      }
     function_backup: |
       function backup {
         EXTRA="$1"