Identifies the compression method or "algorithm" used for a single file within a zip archive.
|BZip2||The file is compressed using the BZIP2 algorithm.|
|Deflate||The file is Deflated; the most common and widely-compatible form of zip compression.|
|Deflate64||The file is Deflated using the enhanced Deflate64 method.|
|Implode||The file is Imploded|
|Lzma||The file is compressed using the LZMA algorithm.|
|Ppmd||The file is compressed using the PPMd algorithm.|
|Reduce1||The file is Reduced with compression factor 1|
|Reduce2||The file is Reduced with compression factor 2|
|Reduce3||The file is Reduced with compression factor 3|
|Reduce4||The file is Reduced with compression factor 4|
|Shrink||The file is Shrunk|
|Store||The file is stored (no compression)|
Proprietary zip implementations may define additional compression methods outside of those included here.