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[PR #661] Added multipart Zip support (z01...). Added IEntry.IsSolid #1149
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Original Pull Request: https://github.com/adamhathcock/sharpcompress/pull/661
State: closed
Merged: Yes
Multi Volume Zip support for zip and zipx
Unit tests added for multipart archives created with WinZip and InfoZip. They are uncompressed due to the minimum part size being 65k.
The implementation is a little bit clunky. It requires the parts to be passed in in the order zip,z01 / zipx,zx01 ..., the zip is actually the last part of the archive. Once the central directory has been located and the archive is being opened the zip is switched to the end of the volumes for processing. Is seems more logical the user would select the zip/zipx not the z01/zx01. Feel free to reimplement this as your knowledge of zip is better than mine ;-)
IEntry.IsSolid for rar and 7zip
It's useful to know which files in an archive can be seeked and extracted. The Rar format sets the first file to solid=false and subsequent files in a solid set to solid=true. This allows solid-false files to be opened with seek. The 7zip implementation follows this behaviour. IsSolid already existed for Rar Entries, but it was never populated when using Archive.Open.
Cheers ;-)