this post was submitted on 19 Nov 2023
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What is the best duplicate file finder, that preserves my source of truth? (alien.top)
submitted 11 months ago by parkercp@alien.top to c/main@selfhosted.forum
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Having been so meticulous about taking back ups, I’ve perhaps not as been as careful about where I stored them, so I now have a loads of duplicate files in various places. I;ve tried various tools fdupes, czawka etc. , but none seems to do what I want.. I need a tool that I can tell which folder (and subfolders) is the source of truth, and to look for anything else, anywhere else that’s a duplicate, and give me an option to move or delete. Seems simple enough, but I have found nothing that allows me to do that.. Does anyone know of anything ?

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[–] speculatrix@alien.top 2 points 11 months ago (4 children)

Write a simple script which iterates over the files and generates a hash list, with the hash in the first column.

find . -type f -exec md5sum {} ; >> /tmp/foo

Repeat for the backup files.

Then make a third file by concatenating the two, sort that file, and run "uniq -d". The output will tell you the duplicated files.

You can take the output of uniq and de-duplicate.

[–] jerwong@alien.top 1 points 11 months ago

I think you need a \ in front of the ;

i.e.: find . -type f -exec md5sum {} \; >> /tmp/foo

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