36.16 Duplicate Photos
20200411 As presented in Section @ref(duplicate_files), duplicate files (photos in our case) can readily be found. Duplicates are easy to create when we are copying photos around on our storage and attempting to manage large collections of photos with different file naming schemes.
$ fdupes . ./20180323_122434_02.jpg ./20180323_122434_01.jpg ./20180323_122434_00.jpg ./20030102_092312_03.jpg ./20031012_092312_00.jpg ./20200531_151245_01.jpg ./20200531_151245_00.jpg
-r option to recurse into
A summary of duplicates is obtained using the
$ fdupes --summarize . 13567 duplicate files (in 6407 sets), occupying 16996.0 megabytes
Deleting duplicates will retain the first listed file and so sometimes
it is useful to use
$ fdupes --order='name' --reverse . ./20180323_122434_00.jpg ./20180323_122434_01.jpg ./20180323_122434_02.jpg ./20031012_092312_00.jpg ./20030102_092312_03.jpg ./20200531_151245_00.jpg ./20200531_151245_01.jpg
The following command will then delete duplicates, keeping the first file in the list:
$ fdupes --delete --noprompt --order='name' --reverse .
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