LBR
From Just Solve the File Format Problem
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| − | {{FormatInfo|formattype=electronic|extensions={{ext|lbr}}}} | + | {{FormatInfo |
| − | + | |formattype=electronic | |
| + | |subcat=Archiving | ||
| + | |extensions={{ext|lbr}}, {{ext|lqr}}, {{ext|lzr}}, {{ext|lyr}} | ||
| + | }} | ||
| + | [[LBR]] was a container format popular for distributing [[CP/M]] software, designed by Gary P. Novosielski. Since it had no compression of its own, it was common for individual members of .LBR files to be compressed with [[Squeeze]] (.?Q?), [[Crunch]] (.?Z?), or [[CrLZH]] (.?Y?). Alternatively, the whole library could be compressed with one of these methods (leading to the extensions .LQR, .LZR, .LYR). | ||
| − | Under CP/M, the canonical tools for manipulating LBR files | + | Under CP/M, the canonical tools for manipulating LBR files were LU.COM and NULU.COM. Other tools, such as NSWP.COM, understood both LBR and some of the closely associated compression formats. |
| + | |||
| + | LBR has been implemented on other platforms including PC/MS-DOS, but the [[LBR (Commodore)|Commodore LBR]] format is unrelated and not compatible. (It was common in those days for different platforms to be Balkanized and not have file formats that are in any way compatible with those of other platforms, even when they served similar purposes and were inspired by other-platform formats even to the point of being named after them.) | ||
== Tools == | == Tools == | ||
* [[CFX]] (DOS/Unix) | * [[CFX]] (DOS/Unix) | ||
| − | * [http://www.seasip.info/Unix/Lar/index.html LAR] (Unix) | + | * [http://www.svgalib.org/rus/lbrate.html lbrate] by Russell Marks, c. 2001 (Unix, GPL2) |
| + | * [http://www.seasip.info/Unix/Lar/index.html LAR] (Unix, tar-like interface) by John Elliott, based on Stephen C. Hemminger's original | ||
== References == | == References == | ||
* .LBR format definition, Gary P. Novosielski, 1984-08-19 -- available as LUDEF5.DOC in many CP/M archives (e.g., [http://www.retroarchive.org/cpm/cdrom/CPM/UTILS/ARC-LBR/LUDEF5.DOC here]) | * .LBR format definition, Gary P. Novosielski, 1984-08-19 -- available as LUDEF5.DOC in many CP/M archives (e.g., [http://www.retroarchive.org/cpm/cdrom/CPM/UTILS/ARC-LBR/LUDEF5.DOC here]) | ||
| + | ** [http://www.textfiles.com/programming/FORMATS/ludef5.txt This version] renames the extension to .txt so the browser won't try to launch M$ Word to open it. | ||
** '''[http://www.seasip.info/Cpm/ludef5.html HTML version]''' of the above | ** '''[http://www.seasip.info/Cpm/ludef5.html HTML version]''' of the above | ||
| − | * [http:// | + | * [[Wikipedia:LBR (file format)|LBR (file format) at Wikipedia]] |
| + | * [http://www.textfiles.com/programming/FORMATS/arc-lbr.pro ARC vs LBR comparison (1985)] | ||
| + | |||
| + | [[Category:CP/M]] | ||
Revision as of 22:22, 25 June 2015
LBR was a container format popular for distributing CP/M software, designed by Gary P. Novosielski. Since it had no compression of its own, it was common for individual members of .LBR files to be compressed with Squeeze (.?Q?), Crunch (.?Z?), or CrLZH (.?Y?). Alternatively, the whole library could be compressed with one of these methods (leading to the extensions .LQR, .LZR, .LYR).Under CP/M, the canonical tools for manipulating LBR files were LU.COM and NULU.COM. Other tools, such as NSWP.COM, understood both LBR and some of the closely associated compression formats.
LBR has been implemented on other platforms including PC/MS-DOS, but the Commodore LBR format is unrelated and not compatible. (It was common in those days for different platforms to be Balkanized and not have file formats that are in any way compatible with those of other platforms, even when they served similar purposes and were inspired by other-platform formats even to the point of being named after them.)
Tools
- CFX (DOS/Unix)
- lbrate by Russell Marks, c. 2001 (Unix, GPL2)
- LAR (Unix, tar-like interface) by John Elliott, based on Stephen C. Hemminger's original
References
- .LBR format definition, Gary P. Novosielski, 1984-08-19 -- available as LUDEF5.DOC in many CP/M archives (e.g., here)
- This version renames the extension to .txt so the browser won't try to launch M$ Word to open it.
- HTML version of the above
- LBR (file format) at Wikipedia
- ARC vs LBR comparison (1985)
