1) Renaming a file will cause it to zip to a different size.
2) There are half a dozen zip programs in common use, each of which will generate different sizes from the same input. And that's before you start fiddling with the many settings.
3) Torrentzip will change the sizes again, which would make it impossible to use.
4) MAME already ignores filenames once it's inside the zip; it prefers to load by CRC+SHA1 and will only check filenames if no hashes match.
5) Searching a full-set directory by size is a much slower operation than checking the zip name on any modern operating system.
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Re: Program recognizing file size instead of file name
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