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Say I have a big file in one directory and an older version of it in another. Is it somehow possible to update the older version with only the changes in the new one? So that I would copy only a small fraction from one place to another. Would have to work for both text and binary files.
Not sure if this is possible though, but curious to if it is.
I don’t see any gained from such thing because to see the difference between two files you must read the whole files and compare them. I don’t think this will be faster than just copying them.