odd: You should have tried SITE UNDUPE.
Code:
SITE UNDUPE <filename(s)>
-> support multiple files selection: <01234> or <0-9> or <abcd> or <a-z>
-> "ex.: SITE UNDUPE file.r0<0123>" will undupe .r00 .r01 .r02 .r03 files @ once
-> "ex.: SITE UNDUPE file2<abc>.zip" will undupe file2a.zip file2b.zip file2c.zip files @ once
SITE UNDUPE -d <dirname>
-> "ex.: SITE UNDUPE -d SOMEDIR-RLS" will undupe dir named SOMEDIR-RLS
Note: those examples are extracted from the readme file.