NZB

NZB is an XML-based file format for retrieving posts from NNTP (Usenet) servers.[4] The format was conceived by the developers of the Newzbin.com Usenet Index.[5][6] NZB is effective when used with search-capable websites.[7] These websites create NZB files out of what is needed to be downloaded.[8] Using this concept, headers would not be downloaded hence the NZB method is quicker and more bandwidth-efficient than traditional methods.[9]

NZB file format
Filename extension
.nzb[1]
Internet media type
application/x-nzb
Developed byNewzBin[2]
Latest release
1.1
(November 10, 2009 (2009-11-10))
Type of formatUsenet extender
Extended fromXML
Open format?yes
WebsiteNZB file specification[3]

Each Usenet message has a unique identifier called the "Message-ID".[10] When a large file is posted to a Usenet newsgroup, it is usually divided into multiple messages (called segments or parts) each having its own Message-ID.[11] An NZB-capable Usenet client will read all needed Message-IDs from the NZB file, download them and decode the messages back into a binary file (usually using yEnc or Uuencode).[12]

File format example

The following is an example of an NZB 1.1 file.[13]

<?xml version="1.0" encoding="iso-8859-1" ?>
<!DOCTYPE nzb PUBLIC "-//newzBin//DTD NZB 1.1//EN" "http://www.newzbin.com/DTD/nzb/nzb-1.1.dtd">
<nzb xmlns="http://www.newzbin.com/DTD/2003/nzb">
 <head>
   <meta type="title">Your File!</meta>
   <meta type="tag">Example</meta>
 </head>
 <file poster="Joe Bloggs <bloggs@nowhere.example>;" date="1071674882" subject="Here's your file!  abc-mr2a.r01 (1/2)">
   <groups>
     <group>alt.binaries.newzbin</group>
     <group>alt.binaries.mojo</group>
   </groups>
   <segments>
     <segment bytes="102394" number="1">123456789abcdef@news.newzbin.com</segment>
     <segment bytes="4501" number="2">987654321fedbca@news.newzbin.com</segment>
   </segments>
 </file>
</nzb>

See also

References
  1. ".nzb file extension :: all about the .nzb file type". www.cryer.co.uk. Retrieved 2020-01-24.
  2. "NZB explained". 2013-02-09. Archived from the original on 2013-02-09. Retrieved 2020-01-24.
  3. "NBDocs - NZBSpecification". 2004-04-23. Archived from the original on 2004-04-23. Retrieved 2020-01-24.
  4. "NZB Files Explained in Plain English". Retrieved 2020-01-24.
  5. "nzb 0.1 Released « nzb". Retrieved 2020-01-24.
  6. "Power-Post-2000-A&A". powerpost.free.fr. 2004-03-21. Retrieved 2020-01-24.
  7. "Tutorial: What is NZB? What are NZB files?". Binaries4all Usenet Tutorials. Retrieved 2020-01-24.
  8. "What is an NZB File? (with picture)". wiseGEEK. Retrieved 2020-01-24.
  9. "Select download folder when using NZB?". NewsLeecher Forums. 2004-09-11. Retrieved 2020-01-24.
  10. "Handleiding: Wat zijn NZB-bestanden? Wat is NZB?". binaries4all.nl. Retrieved 2020-01-24.
  11. "NBDocs - What Is An NZB File". 2004-05-04. Archived from the original on 2004-05-04. Retrieved 2020-01-24.
  12. "nzb - Browse /nzb/0.1". SourceForge.net. Retrieved 2020-01-24.
  13. "WWW::Newzbin - Interface to Newzbin.com's Usenet index". metacpan.org. Retrieved 2020-01-24.
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