http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=Zzip 2026-05-17T11:39:37Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=Zzip&diff=45625&oldid=prev 2023-10-03T17:09:07Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 17:09, 3 October 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 2:</td> <td colspan="2" class="diff-lineno">Line 2:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|subcat=Archiving</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|subcat=Archiving</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|zz}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|zz}}</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">|released=1999?</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''Zzip''' is a file compression/archiving utility (with Windows and Unix versions) and its file format. <del class="diffchange diffchange-inline">The program doesn't seem to have been updated since June 2001, at which time the &quot;unix version doesn't work any more&quot; according to the revision history. The revision history also gives version 0.33a as when the &quot;multiple-files-in-a-single-archive feature added&quot;, so it </del>was <del class="diffchange diffchange-inline">apparently a single-file archiver before that</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''Zzip''' is a file compression/archiving utility (with Windows and Unix versions) and its file format. <ins class="diffchange diffchange-inline">It </ins>was <ins class="diffchange diffchange-inline">developed by Damien Debin</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The source code is downloadable, so the file format could probably be figured out from that.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">The program doesn't seem to have been updated since June 2001, at which time the &quot;unix version doesn't work any more&quot; according to the revision history. The revision history also gives version 0.33a as when the &quot;multiple-files-in-a-single-archive feature added&quot;, so it was apparently a single-file archiver before that.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Its compression scheme involves the [[Burrows–Wheeler transform]]. </ins>The source code is downloadable, so the file format could probably be figured out from that.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Zzip was designed to be used either as a standalone program or a library to embed in other programs.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Zzip was designed to be used either as a standalone program or a library to embed in other programs.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">It includes a utility to build self-extracting Zzip archives for the Windows platform.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Disambiguation ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Disambiguation ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Not to be confused with '''zziplib''', a library for [[ZIP]] format.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Not to be confused with '''zziplib''', a library for [[ZIP]] format.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">== Identification ==</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Presumably, all ZZip files start with the ASCII signature &quot;{{magic|ZZ}}&quot;.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">For 0.36c at least, the next byte is a version number -- always &lt;code&gt;0x31&lt;/code&gt; (ASCII &quot;&lt;code&gt;1&lt;/code&gt;&quot;) in v0.36c.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[IDArc]] suggests that version &lt;code&gt;0x30&lt;/code&gt; was also used.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">IDArc also suggests that some files start with {{magic|'Z' 'Z' 0x20 0x00 0x00}}, which does not seem to fit the pattern of the later format versions.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>://damiendebin.net<del class="diffchange diffchange-inline">/archives</del>/zzip/ Official site]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https</ins>://<ins class="diffchange diffchange-inline">archives.</ins>damiendebin.net/zzip/ Official site<ins class="diffchange diffchange-inline">]</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [https://github.com/ddebin/zzip/ Source code at GitHub</ins>]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://compressionratings.com/i_zzip.html Compression ratings]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://compressionratings.com/i_zzip.html Compression ratings]</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [http://freecode.com/projects/zzip-zzlib ZZip-zzlib]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https://web.archive.org/web/20151028014748/</ins>http://freecode.com/projects/zzip-zzlib ZZip-zzlib <ins class="diffchange diffchange-inline">(archived)</ins>]</div></td></tr> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Zzip&diff=15253&oldid=prev 2013-12-21T15:23:25Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:23, 21 December 2013</td> </tr><tr><td colspan="2" class="diff-lineno">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|zz}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|zz}}</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Zzip''' is a file compression/archiving utility (with Windows and Unix versions) and its file format. The program doesn't seem to have been updated since June 2001, at which time the &quot;unix version doesn't work any more&quot; according to the revision history. The revision history also gives version 0.33a as when the &quot;multiple-files-in-a-single-archive feature added&quot;, so it was apparently a single-file archiver before that.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Zzip''' is a file compression/archiving utility (with Windows and Unix versions) and its file format. The program doesn't seem to have been updated since June 2001, at which time the &quot;unix version doesn't work any more&quot; according to the revision history. The revision history also gives version 0.33a as when the &quot;multiple-files-in-a-single-archive feature added&quot;, so it was apparently a single-file archiver before that.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2" class="diff-lineno">Line 10:</td> <td colspan="2" class="diff-lineno">Line 9:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Zzip was designed to be used either as a standalone program or a library to embed in other programs.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Zzip was designed to be used either as a standalone program or a library to embed in other programs.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">There are some other references </del>to <del class="diffchange diffchange-inline">a &quot;Zzip&quot; or &quot;Zziplib&quot; which might (or might not) </del>be <del class="diffchange diffchange-inline">unrelated; these seem to deal </del>with <del class="diffchange diffchange-inline">normal </del>[[ZIP]] <del class="diffchange diffchange-inline">files</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">== Disambiguation ==</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Not </ins>to be <ins class="diffchange diffchange-inline">confused </ins>with <ins class="diffchange diffchange-inline">'''zziplib''', a library for </ins>[[ZIP]] <ins class="diffchange diffchange-inline">format</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://damiendebin.net/archives/zzip/ Official site]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://damiendebin.net/archives/zzip/ Official site]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://compressionratings.com/i_zzip.html Compression ratings]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://compressionratings.com/i_zzip.html Compression ratings]</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">== Possibly unrelated ==</del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">* [http://zziplib.sourceforge.net/ Zziplib]</del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">* [http://search.cpan.org/~vspader/Archive-ZZip-0.13/ZZip/ZZip.pm Archive-ZZip (CPAN)]</del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://freecode.com/projects/zzip-zzlib ZZip-zzlib]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://freecode.com/projects/zzip-zzlib ZZip-zzlib]</div></td></tr> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Zzip&diff=10069&oldid=prev 2013-02-26T02:00:42Z

<p>Created page with &quot;{{FormatInfo |subcat=Archiving |extensions={{ext|zz}} }} &#039;&#039;&#039;Zzip&#039;&#039;&#039; is a file compression/archiving utility (with Windows and Unix versions) and its file format. The program ...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |subcat=Archiving<br /> |extensions={{ext|zz}}<br /> }}<br /> <br /> '''Zzip''' is a file compression/archiving utility (with Windows and Unix versions) and its file format. The program doesn't seem to have been updated since June 2001, at which time the &quot;unix version doesn't work any more&quot; according to the revision history. The revision history also gives version 0.33a as when the &quot;multiple-files-in-a-single-archive feature added&quot;, so it was apparently a single-file archiver before that.<br /> <br /> The source code is downloadable, so the file format could probably be figured out from that.<br /> <br /> Zzip was designed to be used either as a standalone program or a library to embed in other programs.<br /> <br /> There are some other references to a &quot;Zzip&quot; or &quot;Zziplib&quot; which might (or might not) be unrelated; these seem to deal with normal [[ZIP]] files.<br /> <br /> == Links ==<br /> * [http://damiendebin.net/archives/zzip/ Official site]<br /> * [http://compressionratings.com/i_zzip.html Compression ratings]<br /> <br /> == Possibly unrelated ==<br /> * [http://zziplib.sourceforge.net/ Zziplib]<br /> * [http://search.cpan.org/~vspader/Archive-ZZip-0.13/ZZip/ZZip.pm Archive-ZZip (CPAN)]<br /> * [http://freecode.com/projects/zzip-zzlib ZZip-zzlib]</div>

Dan Tobias