just want to know if there is a skill that could check the orientation of silkscreen (eg 0, 90, 180 or 270 degree). thanks in advance.
You can try to use the function: axlDBCreateText
Delete the old Text and add a new one which with your orientaition.
Not sure how axlDBCreateText would be applicible here. ITWM I'd round up all the text dbids and examine their ->rotation attribute.
local Cadence guru
Go to http://www.designtools.org/developer/cadence-skill/index.php
and download and install the utility this is the best