http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=Compact_%28Gene_Olson%29 2026-04-11T14:56:03Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=Compact_(Gene_Olson)&diff=46332&oldid=prev 2023-11-12T15:01:51Z

<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 15:01, 12 November 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 6:</td> <td colspan="2" class="diff-lineno">Line 6:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=~1991</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=~1991</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 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;">:''See [[Compact]] for other formats with that name.''</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 class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{DISPLAYTITLE:compact (Gene Olson)}}'''compact''' is an obscure file compression utility, and associated file format, developed by Gene H. Olson. It appears to have been abandoned early on, due to [[patents|patent]] concerns.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{DISPLAYTITLE:compact (Gene Olson)}}'''compact''' is an obscure file compression utility, and associated file format, developed by Gene H. Olson. It appears to have been abandoned early on, due to [[patents|patent]] concerns.</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> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Compact_(Gene_Olson)&diff=39093&oldid=prev 2021-01-10T17:21:15Z

<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 17:21, 10 January 2021</td> </tr><tr><td colspan="2" class="diff-lineno">Line 10:</td> <td colspan="2" class="diff-lineno">Line 10:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>It uses [[LZW]] compression. It is essentially an improved version of [[Compress (Unix)|compress]], with an incompatible format. The recommended filename suffix is a capitalized '''.W'''.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>It uses [[LZW]] compression. It is essentially an improved version of [[Compress (Unix)|compress]], with an incompatible format. The recommended filename suffix is a capitalized '''.W'''.</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>It is not related to the older [[Compact (Unix)|compact]] format that uses adaptive Huffman coding.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>It is not related to the older [[Compact (Unix)|compact]] format that uses <ins class="diffchange diffchange-inline">[[</ins>adaptive Huffman coding<ins class="diffchange diffchange-inline">]]</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>== <del class="diffchange diffchange-inline">Identifiers </del>==</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>== <ins class="diffchange diffchange-inline">Identification </ins>==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>There is a big-endian format, which starts with bytes {{magic|c5 a3}}, and a little-endian format, which starts with {{magic|a3 c5}}.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>There is a big-endian format, which starts with bytes {{magic|c5 a3}}, and a little-endian format, which starts with {{magic|a3 c5}}.</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> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Compact_(Gene_Olson)&diff=39086&oldid=prev 2021-01-10T17:14:16Z

<p>Created page with &quot;{{FormatInfo |name=compact (Gene Olson) |formattype=electronic |subcat=Compression |extensions={{ext|W}} |released=~1991 }} {{DISPLAYTITLE:compact (Gene Olson)}}&#039;&#039;&#039;compact&#039;&#039;&#039; ...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |name=compact (Gene Olson)<br /> |formattype=electronic<br /> |subcat=Compression<br /> |extensions={{ext|W}}<br /> |released=~1991<br /> }}<br /> {{DISPLAYTITLE:compact (Gene Olson)}}'''compact''' is an obscure file compression utility, and associated file format, developed by Gene H. Olson. It appears to have been abandoned early on, due to [[patents|patent]] concerns.<br /> <br /> It uses [[LZW]] compression. It is essentially an improved version of [[Compress (Unix)|compress]], with an incompatible format. The recommended filename suffix is a capitalized '''.W'''.<br /> <br /> It is not related to the older [[Compact (Unix)|compact]] format that uses adaptive Huffman coding.<br /> <br /> == Identifiers ==<br /> There is a big-endian format, which starts with bytes {{magic|c5 a3}}, and a little-endian format, which starts with {{magic|a3 c5}}.<br /> <br /> == Software ==<br /> * [http://ftp.lyx.org/pub/unix/archive/compact_sV.tar.Z compact_sV.tar.Z] - Source distribution<br /> <br /> [[Category:File formats with extension .w]]<br /> [[Category:File formats with case sensitive extensions]]</div>

Jsummers