freeradius data counter

Hi, i was trying to setup sqlcounter and i did :slight_smile: but sql counter have limitation of 4GB. I found on the internet that rlm_perl i solution for this problem but i cant find any example of perl data counter. I was looking for days and days but i did not have lucky to find it. I dont know perl programming language. If can someone give me link to perl example or post here i will be grateful.
Thans.