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Zip is the tentative name for my planned WinZip-like JOS program. Help from others is more than welcome!
The main problem with WinZip (IMHO) is that it doesn't intuitively support .tar/.gz compression. Since gzip gets better compression than zip most of the time, the app I want to work on would do a better job. Users would be able to decompress (and create!) both .zip and .tgz files in the same fashion. .tgz files would then be treated just like .zip files, instead of like separate .tar and .gz files. Hope that made sense.
Please add your comments/ideas to this page!
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The main component of a Zip program for JOS should of course be excellent support for packaging .jar files. The only graphical program that I know of that we have available now is MoaJar, which can be a pain to use at times. An intuitive program that handles .jar files, manifest and all, would be greatly appreciated by the Java community.
-- AveryRegier
Doink! I don't know why I didn't think of it! This of course makes perfect sense, and will definitely be included.
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..here's one thing that I don't like about WinZip,
http://www.compaction-tech.com/jzip.html
..the site was unavailable when i tried to go there, so I don't know much about it...except that it supports zip files (kinda obvious huh?)
I'm not an expert on compression, but I think it really depends on the contents of the message. However, I have not seen anything where regular zip does a better job than gzip. gzip might take a little longer, but it's usually equal to or better than zip compression.
Someone please speak up if I'm wrong on this!
I do like your idea about being able to split up the zip files into a specified size (for example, 1.44 MB to split into floppies).
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Try and separate things in:
I think that it would be better to have zip, jar, gzip, tar, and all other archive formats supported via JavaBeans. Perhaps these archives can be handled as Directories for purposes of interface integrability. As an example, I might create a new zip file, and move files into the archive with a drag and drop, or via a mv (move) command, and have the fact that it is an archive and not a directory be transparent.
-- MichaelFried
--WaynePierce 2/14/98
Wayne, I checked out that site and information on it, but I don't quite understand how it could modify a zip file over a network unless it: (a) downloaded the entire file, modified it, and uploaded it again or (b) interfaced with a "netzip server" to make the modifications.
I'm also unclear about what you mean by "network." For example, do you mean ANY network, i.e. I give Zip a URL to a zip file and it loads just the entry list of compressed files? Or did you have something else in mind.
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It would be nice to have support for these compression types as built in FS modules for JOS. What I mean is that instead of writing one program which deals with beans for zipping and unzipping archives, we make zipping and unzipping beans for various formats and then integrate them into the FileSystem API. Perhaps Zip would then be useful as a sort of compression manager- a utility to recompress and optimize the archives. --MichaelFried
I never noticed this until a day or to ago, but winZip doesn't allow you to rename files in archives or change directories of stored files, and some times I need that...
Another thing about zip is that there are no zip-progs with good built-in cryptogaphy, it should at least support java.security so it could be extended... hhmmm, maybe it should be able to be extended to allow new archive types, just a thought
--DigiGod 3/17/98
The FilesystemArchitecture is fairly flexible and extensible. Over the last days I wondered why I didn't design it a little bit simpler - now I know! I'll think about the details about how we can integrate compression modules.
--StefanReich, 18-MAR-98
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