Trouver des fichiers dupliqués pour les supprimer et libérer du stockage.
Modern Rust solution : fclones
$ fclones group --cache /tmp > /tmp/dupes.txt (1)
$ fclones link < /tmp/dupes.txt (2)| 1 | Creates the list of duplicated files |
| 2 | Replaces clones by links, other operations are : move, remove, dedupe (via native filesystem deduplication capabilities) |
A lot of include, exclude and filtering options exists to focus only on some files.
Traditional C solution : jdupes
$ jdupes --delete --immediate --recurse /mnt/backup (1)
$ jdupes /srv/content --recurse: /mnt/backup (2)| 1 | jdupes can show a lost-space summary or automatically delete dup files. Files are found by sizes, then MD5 signatures (of a heading file portion, or full file), followed by a byte-by-byte comparison (which is very slow but gives exact results) |
| 2 | will follow subdirectories under /mnt/backup, but not those under /srv/content. |
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