+1 for fclones
Btw. Always wondered if the name possibly comes from Fucking Clones
I'm using this in my unraid. Scheduled weekly, just in case.
#!/bin/bash
#noParity=true
fclones group --one-fs --follow-links --min 256MB --name '*.mkv' --name '*.mp4' --cache /mnt/user/data/torrents/ /mnt/user/data/media/ --max-prefix-size 128MiB --max-suffix-size 64MiB --skip-content-hash > /tmp/dupes.txt
fclones link < /tmp/dupes.txt
I only laugh in Linux cause it's just the same anology as driving Dodge Ram in Europe - good luck finding spare parts.
At the same time VW Golf parts are sold almost in every convenience store.