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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Getting close to 7zip GUI “Ultra” compression from a batch file

Posted by jpluimers on 2018/02/23

These are the command-line parameters I assembled to get close to “Ultra” compression from the 7-zip command-line:

"C:\Program Files\7-Zip\7z.exe" a -t7z -m0=lzma2:d1024m -mx=9 -aoa -mfb=64 -md=32m -ms=on -sdel filename archive.7z

This will move filename to archive.7z using maximum compression.

Sometimes this is slightly better than “Ultra” compression from the 7-zip UI, sometimes slightly worse, but never far apart.

via:[WayBack] batch file – 7zip Ultra LZMA2 compression – Stack Overflow

–jeroen

This entry was posted on 2018/02/23 at 06:00 and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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