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what is NZB ?


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Guest sae1480

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


Each Usenet message has a unique identifier called the "Message-ID".
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. 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).

File format example

The following is an example of a NZB 1.1 file.




<?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.dtb">
<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 &lt;bloggs@nowhere.example&gt;" 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>

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