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dupeGuru is a tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching algorithm that can find duplicate filenames even when they are not exactly the same.
http://www.hardcoded.net/dupeguru/
I have no idea how to build a PKGBUILD unfortunately.
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Looking at the README file, I see that DupeGuru will require new PKGBUILDs for at least three additional python support utilities (Send2Trash3k, hsaudiotag3k, jobprogress) located at hardcoded.net. None of these are in the AUR.
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It appears that it has already been packaged at http://aur.archlinux.org/packages.php?ID=48105
ArchLinux + ZFS
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