7-Zip can't handle some ZIP compression methods
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#829 7-Zip can't handle some ZIP compression methods
open
nobody
None
5
2014-07-12
2008-04-29
Anonymous
No
When 7-Zip tries to extract .ZIP archive with files compressed with DCL implode or PPMd method, 7-Zip reported the files are not recognized, yet the compression methods are identified. 7-Zip should properly extract all files compressed/encoded/encrypted by all methods recognized by the program.
Attachment zips.7z include following files:
testdcla.zip - compressed with DCL Implode (ASCII).
testdclb.zip - compressed with DCL Implode (Binary).
testppmd.ZIP - compressed with PPMd.
zips.7z
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There is a DCL implode decompressor at:
http://www.datacompression.info/1511/Free-DCL-Decompressor.html
Sources can be found in Mark Adler's site:
http://www.alumni.caltech.edu/~madler/blast10.tar.gz