Zoo - Revision history

Anonymoususer852: /* FormatInfo template */ Correction on mandatory compression, as it offers no packing/uncompressed.

2025-09-04T14:11:57Z

‎FormatInfo template: Correction on mandatory compression, as it offers no packing/uncompressed.

Anonymoususer852: /* FormatInfo template */ Added compression information.

2025-09-04T14:10:09Z

‎FormatInfo template: Added compression information.

Anonymoususer852: Added magic to FormatInfo. Added a link to GitHub repository which, "acts as a focal point for patches and maintenance for the long haul", under Other source code and packages section.

2025-09-04T14:04:09Z

Added magic to FormatInfo. Added a link to GitHub repository which, "acts as a focal point for patches and maintenance for the long haul", under Other source code and packages section.

Anonymoususer852: /* Software */ Add openSUSE maintained variant of zoo-2.10.

2025-07-30T19:48:17Z

‎Software: Add openSUSE maintained variant of zoo-2.10.

Jsummers: /* Software */

2025-03-28T14:00:49Z

‎Software

Dexvertbot: /* Sample files */

2023-12-28T03:23:06Z

‎Sample files

Dexvertbot: Undo revision 46537 by Dexvertbot (talk)

2023-12-28T03:02:52Z

Undo revision 46537 by Dexvertbot (talk)

Dexvertbot: Change telparia.com samples link to template

2023-12-28T02:54:54Z

Change telparia.com samples link to template

Taritta at 12:53, 1 November 2023

2023-11-01T12:53:39Z

Jsummers: /* Software */

2023-08-26T12:40:21Z

‎Software

@@ Line 5: / Line 5: @@
 |pronom={{PRONOM|x-fmt/269}}
 |wikidata={{wikidata|Q219983}}
-|compression=lossless, mandatory
+|compression=lossless, optional
 |magic=DC A7 C4 FD (at offset 20)
 |released=1986

@@ Line 5: / Line 5: @@
 |pronom={{PRONOM|x-fmt/269}}
 |wikidata={{wikidata|Q219983}}
 |magic=DC A7 C4 FD (at offset 20)
 |released=1986

@@ Line 5: / Line 5: @@
 |pronom={{PRONOM|x-fmt/269}}
 |wikidata={{wikidata|Q219983}}
 |released=1986
 }}
@@ Line 89: / Line 90: @@
 * [http://www.ibiblio.org/pub/Linux/utils/compress/zoo-2.10-3.src.rpm zoo-2.10-3.src.rpm]
 * [https://build.opensuse.org/package/show/openSUSE:Factory/zoo openSUSE maintained variant of zoo-2.10]
 == Sample files ==

@@ Line 88: / Line 88: @@
 * [http://distcache.freebsd.org/ports-distfiles/zoo-2.10pl1.tar.gz zoo-2.10pl1.tar.gz]
 * [http://www.ibiblio.org/pub/Linux/utils/compress/zoo-2.10-3.src.rpm zoo-2.10-3.src.rpm]
 == Sample files ==

@@ Line 54: / Line 54: @@
 ** {{CdTextfiles|megarom/megarom1/ARC_LBR/ZOO120.ZIP|v1.20}} (1986-09-06)
 ** {{CdTextfiles|carousel344/013/ZOO121.ZIP|v1.21}} (1986-09-21)
 ** v1.40 (1987-01-24): [https://archive.org/details/shareware-grab-bag] → Shareware_Grab_Bag_1988.zip → 014/zoo140.arc
 ** v1.41: [https://archive.org/details/os2sharewarebbs OS/2 Shareware BBS Full Collection] → 08-Other.zip → S12215.ZIP → ZOO.EXE (bare executable)

@@ Line 92: / Line 92: @@
 * {{CdTextfilesURL|garbo/PC/}} → .../*.ZOO
 * {{CdTextfilesURL|geminiatari/ZIP/PROGRAM/}} → *.ZOO
-* https://telparia.com/fileFormatSamples/archive/zoo/
+* {{DexvertSamples|archive/zoo}}
 == Links ==

@@ Line 29: / Line 29: @@
 |1 || LZD || [[LZW]]. A fairly generic LZW implementation, with a dynamic code size from 9 to 13 bits, and two special codes: 256=Clear, 257=Stop.
 |-
-|2 || LZH || [[LZ77 with Huffman coding|LZ77 Huffman]]. Nearly identical to [[LHA]]'s "lh5" method. A small difference is that Zoo defines a way to mark the end of data. The format is pretty well documented in the comments in unzoo.c by Martin Schoenert (see below).
+|2 || LZH || [[LZ77 with Huffman coding|LZ77+Huffman]]. Nearly identical to [[LHA]]'s "lh5" method. A small difference is that Zoo defines a way to mark the end of data. The format is pretty well documented in the comments in unzoo.c by Martin Schoenert (see below).
 |}
@@ Line 35: / Line 35: @@
 Files have bytes {{magic|DC A7 C4 FD}} at offset 20.
-Zoo files typically start with "{{magic|ZOO
+Zoo files typically start with "{{magic|ZOO&nbsp;?.??&nbsp;Archive.}}", followed by the byte <code>0x1a</code>, where each "<code>?</code>" is a digit. Regarding this field, the source code says "The contents of the text message are however not used by Zoo and they may be anything."

@@ Line 29: / Line 29: @@
 |1 || LZD || [[LZW]]. A fairly generic LZW implementation, with a dynamic code size from 9 to 13 bits, and two special codes: 256=Clear, 257=Stop.
 |-
-|2 || LZH || [[LZ77 with Huffman coding|LZ77+Huffman]]. Nearly identical to [[LHA]]'s "lh5" method. A small difference is that Zoo defines a way to mark the end of data. The format is pretty well documented in the comments in unzoo.c by Martin Schoenert (see below).
+|2 || LZH || [[LZ77 with Huffman coding|LZ77 Huffman]]. Nearly identical to [[LHA]]'s "lh5" method. A small difference is that Zoo defines a way to mark the end of data. The format is pretty well documented in the comments in unzoo.c by Martin Schoenert (see below).
 |}
@@ Line 35: / Line 35: @@
 Files have bytes {{magic|DC A7 C4 FD}} at offset 20.
-Zoo files typically start with "{{magic|ZOO&nbsp;?.??&nbsp;Archive.}}", followed by the byte <code>0x1a</code>, where each "<code>?</code>" is a digit. Regarding this field, the source code says "The contents of the text message are however not used by Zoo and they may be anything."
+Zoo files typically start with "{{magic|ZOO
-−
-== Related formats ==
-* [[Zoo filter format]]
-* [[Zoo Z format‎]]
-* [[Brik]] - same author
-−
-== Specifications ==
-''[Ed. note: The Zoo format information in these documents is not of the highest quality. We haven't found a specification that is reasonably complete and correct.]''
-−
-* [https://www.fileformat.info/format/zoo/corion.htm The ZOO Archive File Format] from Corion.net, via FileFormat.info
-* [http://apple2.org.za/gswv/a2zine/GS.WorldView/Resources/The.MacShrinkIt.Project/ARCHIVES.TXT Archive format info, including ZOO]
-* [http://www.textfiles.com/programming/FORMATS/arc_fmts.txt ZOO file header format (among other archive types)]
-−
-== Software ==
-* [[Konvertor]]
-* Zoo - DOS binaries
-** {{CdTextfiles|megarom/megarom1/ARC_LBR/ZOO120.ZIP|v1.20}} (1986-09-06)
-** {{CdTextfiles|carousel344/013/ZOO121.ZIP|v1.21}} (1986-09-21)
-** v1.40 (1987-01-24): [https://archive.org/details/shareware-grab-bag] → Shareware_Grab_Bag_1988.zip → 014/zoo140.arc
-** v1.41: [https://archive.org/details/os2sharewarebbs OS/2 Shareware BBS Full Collection] → 08-Other.zip → S12215.ZIP → ZOO.EXE (bare executable)
-** {{CdTextfiles|rbbsv3n1/zzap/zoo200.exe|v2.00}} (~1988-02-06)
-** {{CdTextfiles|hof91/ARC/ZOO201.EXE|v2.01}} (1988-08-25) - Also includes Fiz 2.0 and Stuff 1.0
-** {{CdTextfiles|simtel/simtel20/MSDOS/ARCHIVRS/ZOO210.EXE|v2.10}} (1991-07-09)
-* Other official Zoo utilities:
-** {{CdTextfiles|simtelctc/disk1/ZOO/BOOZ20.ZIP;1|Booz 2.0}} - Extractor; includes source code and DOS binary
-** {{CdTextfiles|carousel344/013/LOOZ210.ZIP|Looz 2.1}}
-** {{CdTextfiles|carousel/013B/OOZ130.ZIP|Ooz 1.30}}
-** Sez {{CdTextfiles|carousel344/013/SEZ200.ZIP|2.0}}, {{CdTextfiles|microhaus/mhblackbox3/ARCHIVER/SEZ230.ZIP|2.3}} - Makes self-extracting archives
-** {{CdTextfiles|simtelctc/disk1/ZOO/ATOZ112.ZIP;1|Atoz 1.12}} - Conversion helper
-** {{CdTextfiles|simtel/simtel9211/msdos/zoo/stuff2.zip|Stuff 2.0}}
-* [https://www.amiga-stuff.com/archivers-download.html amiga-stuff.com: Archivers] - Lists several versions of Zoo for Amiga
-* [http://archives.math.utk.edu/software/multi-platform/gap/util/unzoo.c unzoo.c] by Martin Schoenert (Does not support LZD.)
-* [https://github.com/PascalVault/Lazarus_Unpacker Open-source library in Free Pascal]
-* {{Deark}}
-−
-Original(?) source code:
-* v1.41 (1987-02-07): {{CdTextfiles|hof91/PROGLC/ZOO141_C.LZH|ZOO141_C.LZH}}
-* v1.51 (1987-07-12)
-** [https://archive.org/details/ASMEsMechanicalEngineeringToolkit1997December ASME's Mechanical Engineering Toolkit Dec. 1997] → C_LANG/Z150_SRC.LZH
-** As posted to Usenet comp.sources.unix 1987-08: [{{CdTextfilesURL|sourcecode/usenet/compsrcs/unix/volume11/zoo/}}]
-* v2.01 (1988-08-25)
-** [http://www.nic.funet.fi/index/unix/tools/zoo/zoo-2.01.tar.gz zoo-2.01.tar.gz]
-** [https://archive.org/details/ASMEsMechanicalEngineeringToolkit1997December ASME's Mechanical Engineering Toolkit Dec. 1997] → C_LANG/{Z201SRC1.Z00 + Z201SRC2.Z00}
-** [https://archive.org/details/pegasus20 Pegasus 2.0] → pegasus/c_2/zoo_src.zip
-* v2.10, a.k.a. v2.1 (1991-07-07)
-** [http://www.nic.funet.fi/index/unix/tools/zoo/zoo-2.1.tar.gz zoo-2.1.tar.gz]
-** {{CdTextfiles|aminet0294/AMINET/MISC/UNIX/ZOO_2_10.TAR|ZOO_2_10.TAR}}
-−
-Other source code and packages:
-* [http://distcache.freebsd.org/ports-distfiles/zoo-2.10pl1.tar.gz zoo-2.10pl1.tar.gz]
-* [http://www.ibiblio.org/pub/Linux/utils/compress/zoo-2.10-3.src.rpm zoo-2.10-3.src.rpm]
-−
-== Sample files ==
-* {{CdTextfilesURL|aminet0294/AMINET/UTIL/ARC/}} → *.ZOO
-* {{CdTextfilesURL|garbo/PC/}} → .../*.ZOO
-* {{CdTextfilesURL|geminiatari/ZIP/PROGRAM/}} → *.ZOO
-* https://telparia.com/fileFormatSamples/archive/zoo/
-−
-== Links ==
-* [[Wikipedia: Zoo (file format)]]
-* {{CdTextfiles|rbbsv3n1/zzap/zooplan1.zip|zooplan1.zip}} → ZOOPLAN1.TXT - A Zoo Manifesto, by Rahul Dhesi (1986-11-01)
-* {{CdTextfiles|simtelctc/disk1/ZOO/UGUIDE.ZIP;1|The zoo Archiver User's Guide}}, by Bill Davidsen (for Zoo 2.01)
-* [https://manpages.ubuntu.com/manpages/bionic/man1/zoo.1.html Zoo man page] - Includes a change log going back to v1.71
-* {{CdTextfiles|carousel344/013/ZOO121.ZIP|Zoo 1.21}} → ZOOHSTRY.TXT - Has some historical information about older versions