Directory Report can find duplicate files based on any combination of:
size,
name, cyclic redundancy checksum (CRC)
or by comparing byte by byte
Screen shot
The find duplicate files search is multithreaded to be super fast
You can print the dupli
A huge number like 101 can give you the freedom to add any smaller or inconsequential goals to the list. Once you begin ticking all of those off, the larger projects dont seem as daunting.