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sevenzip

A reader for 7-zip archives inspired by archive/zip.

Current status:

  • Pure Go, no external libraries or binaries needed.
  • Handles uncompressed headers, (7za a -mhc=off test.7z ...).
  • Handles compressed headers, (7za a -mhc=on test.7z ...).
  • Handles password-protected versions of both of the above (7za a -mhc=on|off -mhe=on -ppassword test.7z ...).
  • Handles archives split into multiple volumes, (7za a -v100m test.7z ...).
  • Handles self-extracting archives, (7za a -sfx archive.exe ...).
  • Validates CRC values as it parses the file.
  • Supports ARM, BCJ, BCJ2, Brotli, Bzip2, Copy, Deflate, Delta, LZ4, LZMA, LZMA2, PPC, SPARC and Zstandard methods.
  • Implements the fs.FS interface so you can treat an opened 7-zip archive like a filesystem.

More examples of 7-zip archives are needed to test all of the different combinations/algorithms possible.