"/system package get system version" does not work anymore

RouterOS Scripting
6

No.

Use my scripts as example on how to parse date on both format on same script.
http://forum.mikrotik.com/t/rextended-fragments-of-snippets/151033/1

More specifically
http://forum.mikrotik.com/t/changing-the-mmm-dd-yyyy-date-format/5183/10