Can be fed a file with list of comma-separated values, and will output unique items (ie. remove repetitive ones).

dbm 1f9d4c802a finish script %!s(int64=4) %!d(string=hai) anos
README.md 4404625ce3 first %!s(int64=4) %!d(string=hai) anos
get-unique-items.php 1f9d4c802a finish script %!s(int64=4) %!d(string=hai) anos

README.md