http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=LDArc_and_LDIFF LDArc and LDIFF - Revision history 2026-04-19T13:17:03Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=45185&oldid=prev Jsummers: /* Software */ 2023-09-01T14:17:15Z <p>‎<span dir="auto"><span class="autocomment">Software</span></span></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 14:17, 1 September 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 33:</td> <td colspan="2" class="diff-lineno">Line 33:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>** {{CdTextfiles|psl/psl9312/PRGMMING/DOS/TOOLS/LDIFF1.EXE|LDIFF1.EXE}} - Same as above, packaged differently.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>** {{CdTextfiles|psl/psl9312/PRGMMING/DOS/TOOLS/LDIFF1.EXE|LDIFF1.EXE}} - Same as above, packaged differently.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* LDIFF v2.00 (Japanese): [https://archive.org/details/cdrom-fs-collection-2 FreeWare Collection 2] → FreeSoftwareCollection2pd199x-jp.img → ms_dos/ldiff/ <del class="diffchange diffchange-inline">(or {{DiscMasterLink|browse/21231/FreeSoftwareCollection2pd199x-jp.img/ms_dos/ldiff|at DiscMaster}})</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* LDIFF v2.00 (Japanese): [https://archive.org/details/cdrom-fs-collection-2 FreeWare Collection 2] → FreeSoftwareCollection2pd199x-jp.img → ms_dos/ldiff/</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>== Sample files ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Sample files ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|psl/pslv3nv08/PRGMMING/DOS/GEN_MISC/LDIFF1.ZIP|LDIFF1.ZIP}} → *.LZD (&quot;lz6&quot; format)</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|psl/pslv3nv08/PRGMMING/DOS/GEN_MISC/LDIFF1.ZIP|LDIFF1.ZIP}} → *.LZD (&quot;lz6&quot; format)</div></td></tr> </table> Jsummers http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=44533&oldid=prev Jsummers at 19:31, 25 May 2023 2023-05-25T19:31:32Z <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 19:31, 25 May 2023</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>|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|lzd}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|lzd}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|released=<del class="diffchange diffchange-inline">≤1989</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|released=<ins class="diffchange diffchange-inline">1989</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>'''LDIFF''' (<del class="diffchange diffchange-inline">or </del>'''LDiff''') <del class="diffchange diffchange-inline">is a </del>differential compression <del class="diffchange diffchange-inline">utility </del>for DOS, designed for binary files. <del class="diffchange diffchange-inline">It was </del>developed by Kazuhiko Miki (also known for [[LArc]]). <del class="diffchange diffchange-inline">Its </del>native <del class="diffchange diffchange-inline">file format is </del>'''.LZD'''.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">'''LDArc''' (also written '''LDarc'''), and its successor </ins>'''LDIFF''' (<ins class="diffchange diffchange-inline">also written </ins>'''LDiff''')<ins class="diffchange diffchange-inline">, are </ins>differential compression <ins class="diffchange diffchange-inline">utilities </ins>for DOS, designed for binary files. <ins class="diffchange diffchange-inline">They were </ins>developed by Kazuhiko Miki (also known for [[LArc]]).</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">There are at least three different versions of their </ins>native '''.LZD''' <ins class="diffchange diffchange-inline">file format:</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">* The &quot;lz6&quot; format created by LDArc v1.00-1.03.</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">* The &quot;LD6&quot; format created by LDIFF v1.10-1.20.</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">* The format created by LDIFF v2.00.</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">LDIFF v2.00 can also create self-running patches in [[DOS executable (.com)|COM]] format.</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">The &quot;lz6&quot; and &quot;LD6&quot; formats are similar to [[LHA]], but not really compatible with it</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>== Identification ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Identification ==</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">LZD files created by LDIFF </del>v1.<del class="diffchange diffchange-inline">20 </del>have &quot;{{magic|-<del class="diffchange diffchange-inline">LD6</del>-<del class="diffchange diffchange-inline">&quot;</del>}} at offset 2<del class="diffchange diffchange-inline">. The format has some similarity to [[LHA]], but is not compatible with it</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">LDArc </ins>v1.<ins class="diffchange diffchange-inline">00-1.03 files </ins>have <ins class="diffchange diffchange-inline">ASCII </ins>&quot;{{magic|-<ins class="diffchange diffchange-inline">lz6</ins>-}}<ins class="diffchange diffchange-inline">&quot; </ins>at offset 2.</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">Version </del>2.00 <del class="diffchange diffchange-inline">uses a different </del>LZD <del class="diffchange diffchange-inline">format, which has not been investigated</del>. <del class="diffchange diffchange-inline">It also seems to be able to create self-running patches </del>in <del class="diffchange diffchange-inline">[[DOS executable (</del>.<del class="diffchange diffchange-inline">com</del>)<del class="diffchange diffchange-inline">|COM]] format</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">LDIFF v1.10-1.20 files have ASCII &quot;{{magic|-LD6-}}&quot; at offset </ins>2<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>&#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">LDIFF v2</ins>.00 <ins class="diffchange diffchange-inline">files apparently have ASCII &quot;{{magic|LZ}}&quot; at offset 4. They end with bytes {{magic|00 00}}.</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">COM files made by LDIFF v2.00 apparently have ASCII &quot;{{magic|SFX by LDiff}}&quot; at offset 1021. The embedded </ins>LZD <ins class="diffchange diffchange-inline">file starts at offset 1177</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">== Specifications ==</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">* LDIFF v2.00 format is described </ins>in <ins class="diffchange diffchange-inline">the included ldiff</ins>.<ins class="diffchange diffchange-inline">man file (in Japanese</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>== Software ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Software ==</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;">* {{CdTextfiles|megarom/megarom1/ARC_LBR/LDARC.ZIP|LDARC.ZIP}} - Includes LDArc v1.00, and patches to create v1.01, v1.02, v1.03.</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;">* {{CdTextfiles|psl/pslv3nv08/PRGMMING/DOS/GEN_MISC/LDIFF1.ZIP|LDIFF1.ZIP}} - Includes LDArc v1.00, and patches to create v1.01, v1.02, v1.03, and LDIFF v1.10.</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;">** {{CdTextfiles|psl/psl9312/PRGMMING/DOS/TOOLS/LDIFF1.EXE|LDIFF1.EXE}} - Same as above, packaged differently.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* LDIFF v2.00 (Japanese): [https://archive.org/details/cdrom-fs-collection-2 FreeWare Collection 2 <del class="diffchange diffchange-inline">/ フリーウェアコレクション2</del>] → FreeSoftwareCollection2pd199x-jp.img → ms_dos/ldiff/ (or {{DiscMasterLink|browse/21231/FreeSoftwareCollection2pd199x-jp.img/ms_dos/ldiff|at DiscMaster}})</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* LDIFF v2.00 (Japanese): [https://archive.org/details/cdrom-fs-collection-2 FreeWare Collection 2] → FreeSoftwareCollection2pd199x-jp.img → ms_dos/ldiff/ (or {{DiscMasterLink|browse/21231/FreeSoftwareCollection2pd199x-jp.img/ms_dos/ldiff|at DiscMaster}}<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>&#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">== Sample files ==</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">* {{CdTextfiles|psl/pslv3nv08/PRGMMING/DOS/GEN_MISC/LDIFF1.ZIP|LDIFF1.ZIP}} → *.LZD (&quot;lz6&quot; format</ins>)</div></td></tr> </table> Jsummers http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=44531&oldid=prev Jsummers: Jsummers moved page LDIFF LZD to LDArc and LDIFF: Slightly expanding this article 2023-05-25T19:26:55Z <p>Jsummers moved page <a href="/wiki/LDIFF_LZD" class="mw-redirect" title="LDIFF LZD">LDIFF LZD</a> to <a href="/wiki/LDArc_and_LDIFF" title="LDArc and LDIFF">LDArc and LDIFF</a>: Slightly expanding this article</p> <table class='diff diff-contentalign-left'> <tr valign='top'> <td colspan='1' style="background-color: white; color:black;">← Older revision</td> <td colspan='1' style="background-color: white; color:black;">Revision as of 19:26, 25 May 2023</td> </tr></table> Jsummers http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=44255&oldid=prev Jsummers at 17:06, 5 March 2023 2023-03-05T17:06:12Z <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 17:06, 5 March 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 8:</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>== Identification ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Identification ==</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>LZD files created by LDIFF v1.20 have &quot;{{magic|-LD6-&quot;}} at offset 2.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>LZD files created by LDIFF v1.20 have &quot;{{magic|-LD6-&quot;}} at offset 2<ins class="diffchange diffchange-inline">. The format has some similarity to [[LHA]], but is not compatible with it</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">The </del>format has <del class="diffchange diffchange-inline">some similarity </del>to [[<del class="diffchange diffchange-inline">LHA</del>]]<del class="diffchange diffchange-inline">, but is not compatible with it</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Version 2.00 uses a different LZD </ins>format<ins class="diffchange diffchange-inline">, which </ins>has <ins class="diffchange diffchange-inline">not been investigated. It also seems </ins>to <ins class="diffchange diffchange-inline">be able to create self-running patches in </ins>[[<ins class="diffchange diffchange-inline">DOS executable (.com)|COM</ins>]] <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>== Software ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Software ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</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;">* LDIFF v2.00 (Japanese): [https://archive.org/details/cdrom-fs-collection-2 FreeWare Collection 2 / フリーウェアコレクション2] → FreeSoftwareCollection2pd199x-jp.img → ms_dos/ldiff/ (or {{DiscMasterLink|browse/21231/FreeSoftwareCollection2pd199x-jp.img/ms_dos/ldiff|at DiscMaster}})</ins></div></td></tr> </table> Jsummers http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=39730&oldid=prev Jsummers at 14:55, 25 April 2021 2021-04-25T14:55:57Z <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 14:55, 25 April 2021</td> </tr><tr><td colspan="2" class="diff-lineno">Line 5:</td> <td colspan="2" class="diff-lineno">Line 5:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=≤1989</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=≤1989</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>'''LDIFF''' (or '''LDiff''') is a differential compression utility for DOS, designed for binary files. It was developed by Kazuhiko Miki (also known for <del class="diffchange diffchange-inline">LArc -- refer to </del>[[<del class="diffchange diffchange-inline">LHA</del>]]). Its native file format is '''.LZD'''.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''LDIFF''' (or '''LDiff''') is a differential compression utility for DOS, designed for binary files. It was developed by Kazuhiko Miki (also known for [[<ins class="diffchange diffchange-inline">LArc</ins>]]). Its native file format is '''.LZD'''.</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>== Identification ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Identification ==</div></td></tr> </table> Jsummers http://fileformats.archiveteam.org/index.php?title=LDArc_and_LDIFF&diff=39713&oldid=prev Jsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Archiving |extensions={{ext|lzd}} |released=≤1989 }} '''LDIFF''' (or '''LDiff''') is a differential compression utility for DOS, ..." 2021-04-20T19:41:11Z <p>Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Archiving |extensions={{ext|lzd}} |released=≤1989 }} &#039;&#039;&#039;LDIFF&#039;&#039;&#039; (or &#039;&#039;&#039;LDiff&#039;&#039;&#039;) is a differential compression utility for DOS, ...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |formattype=electronic<br /> |subcat=Archiving<br /> |extensions={{ext|lzd}}<br /> |released=≤1989<br /> }}<br /> '''LDIFF''' (or '''LDiff''') is a differential compression utility for DOS, designed for binary files. It was developed by Kazuhiko Miki (also known for LArc -- refer to [[LHA]]). Its native file format is '''.LZD'''.<br /> <br /> == Identification ==<br /> LZD files created by LDIFF v1.20 have &quot;{{magic|-LD6-&quot;}} at offset 2.<br /> <br /> The format has some similarity to [[LHA]], but is not compatible with it.<br /> <br /> == Software ==<br /> * {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12.ZIP|LDIFF v1.20}} · {{CdTextfiles|swinnund/disk3/FILEUTIL/LDIFF12S.ZIP|source code}}</div> Jsummers