Info-ZIP is a group of programmers that have created and now maintain two free programs: Zip and UnZip. These two programs perform canonical archive functions on Zip format archives that are compatbile with those created by PKWARE’s commercial PKZip line of products.
Zip and Unzip Using VB5 or VB6
Some sample code and a tutorial explaining how to use the InfoZip DLLs with VB.
http://www.codeguru.com/vb/gen/vb_graphics/fileformats/article.php/c6743/
UnZip
Everything you wanted to know about UnZip, one of the two great Info-ZIP programs.
UnZIp 5.51 shipped in May, 2004/
http://www.ctan.org/tex-archive/tools/zip/info-zip/UnZip.html
Zip and Unzip Using VB5 or VB6
This code shows how to use the freeware InfoZip Zip32.DLL and Unzip32.DLL files from the http://www.cdrom.com/pub/infozip/ website. The InfoZip DLL’s are open-source DLL’s that are available for programmers to utilise free of charge. They are standard C DLLs and were very tricky/impossible to interface with VB until VB5/6 offered the ‘addressof’ operator.
http://codeguru.com/vb/gen/vb_graphics/fileformats/article.php/c6743/
Zippity Do Dah
Al Williams wrote an excellent article on using the Info-Zip DLLs to manipulate Zip files. There are lots of commercial libraries that let you access Zip files, but your choices in free software are few and far between. So if you need a free solution, Al’s article is a must-read. Many thanks to Al for getting this back on line after Visual Developer’s web site disappeared.
http://www.al-williams.com/new/zip.htm
Recent Info-ZIP News and Ancient Info-ZIP History
Info-ZIP News, History and Other Stuff
http://www.ctan.org/tex-archive/tools/zip/info-zip/Info-ZIP2.html
Zip 2.3
The InfoZip project’s page for Zip, their free archive program that creates PKZip compatible archives
http://www.ctan.org/tex-archive/tools/zip/info-zip/Zip.html
WiZ 5.02
A graphical front end for Zip and UnZip. Binaries available for multiple varieties of Windows.
http://www.ctan.org/tex-archive/tools/zip/info-zip/WiZ.html
Info-ZIP
Info-ZIP is a diverse, Internet-based workgroup of about 20 primary authors and over one hundred beta-testers, formed in 1990 as a mailing list hosted by Keith Petersen on the original SimTel site at the White Sands Missile Range in New Mexico.
Info-ZIP’s purpose is to provide free, portable, high-quality versions of the Zip and UnZip compressor-archiver utilities that are compatible with the DOS-based PKZIP by PKWARE, Inc.
http://www.ctan.org/tex-archive/tools/zip/info-zip/Info-ZIP.html
Info-ZIP Frequently Asked Questions (FAQ)
The FAQ for the Info-ZIP project.
http://www.ctan.org/tex-archive/tools/zip/info-zip/FAQ.html
