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I do this, alongside a tool for finding duplicate files: https://github.com/adrianlopezroche/fdupes https://github.com/adrianlopezroche/fdupes.

• lwerdna 5y ago
  Thank you. I'm also looking for a tool which will find when one file contains a scaled image in another file, or is a crop of another.
• reflexing 5y ago
  I use Czkawka recently for dupes (it has GUI and well-maintained): https://github.com/qarmin/czkawka https://github.com/qarmin/czkawka