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Old 14-06-2021, 14:14
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Is there anyway to analyse a file to see which version of LZ4 it was compressed with?

I have a few unity asset bundles, 506MB worth. When decompressed using Asset Bundle Extractor, they decompress to 2.78GB.

If I try to throw these into XTool, it will make an archive of 693MB (~136% ratio). I get the same whether I use the 2017 lz4 dll, 2018 (v1.8.1.2 / v1.8.2) lz4 dll or the latest dll from Nov 2020.

https://1fichier.com/?hcsaopws7sfrktfka4z2

Here's the sample
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