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mcmilk / 7-Zip-zstd

7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
https://mcmilk.de/projects/7-Zip-zstd/
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Feature Request: Implement ZPAQ #331

Closed LulzRose closed 10 months ago

LulzRose commented 1 year ago

Would it be possible to implement ZPAQ as it has better compression than any currently implemented compression algorithm at the cost of speed. It also natively supports AES256 Encryption and journaling. It may be older but it absolutely holds up in 2023.

This would be extremely useful for compressing large files and using lzrip on linux I have been able to compress 20gb files to 110mb.

Sources: http://mattmahoney.net/dc/zpaq.html https://peazip.github.io/paq-file-format.html https://github.com/zpaq/zpaq

Sanesecurity commented 1 year ago

Zpaq also been tweaked here..

https://github.com/fcorbelli/zpaqfranz

mcmilk commented 1 year ago

zpaqfranz is special, it's not just a new method ... it's a dedup archiving app - this can not be integrated into 7zip

mcmilk commented 10 months ago

Can not be done - sorry