Extract text between two specified "constant" texts using awk
Hi All,
From the title you may know that this question has been asked several times and I have done lot of Googling on this.
I have a Wikipedia dump file in XML format. All the contents are in one XML file i.e. all different topics have been put in one XML file. Now I need to separate them and make separate files for each topic. After carefully going though the XML file, I found that the topics occur between <page> and </page> tags. I want to use awk to extract the topics and their descriptions in separate files like first topic goes into 1.dat and then second topic into 2.dat and so on till the end of file.
This is how Wikipedia XML file looks:
HTML Code:
<page><title>APRIL</title>
.........(text contents that I need to extract and store in 1.dat including the <title> tag)
</page><page><title>August</title>
....(text contents that I need to store in 2.dat including the <title> tag)
</page>
so on.......
I have done this but it created havoc.
Code:
awk '</page>/{s++}print > "s.dat" s}' wiki.xml
Last edited by shoaibjameel123; 03-10-2011 at 08:58 AM..
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Can any of you explain me about the below line of code?
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Im not able to understand, what exactly it is doing :confused:
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Discussion started by: jvoot
11 Replies
LEARN ABOUT DEBIAN
xml::libxml::nodelist::iterator
XML::LibXML::NodeList::Iterator(3pm) User Contributed Perl Documentation XML::LibXML::NodeList::Iterator(3pm)NAME
XML::LibXML::NodeList::Iterator - Iteration Class for XML::LibXML XPath results
SYNOPSIS
use XML::LibXML;
use XML::LibXML::NodeList::Iterator;
my $doc = XML::LibXML->new->parse_string( $somedata );
my $nodelist = $doc->findnodes( $somexpathquery );
my $iter= XML::LibXML::NodeList::Iterator->new( $nodelist );
# more control on the flow
while ( $iter->nextNode ) {
# do something
}
# operate on the entire tree
$iter->iterate( &operate );
DESCRIPTION
XML::LibXML::NodeList::Iterator is very similar to XML::LibXML::Iterator, but it does not iterate on the tree structure but on a
XML::LibXML::NodeList object. Because XML::LibXML::NodeList is basicly an array the functionality of XML::LibXML::NodeList::Iterator is
more restircted to stepwise foreward and backward than XML::LibXML::Iterator is.
SEE ALSO
XML::LibXML::NodeList, XML::NodeFilter, XML::LibXML::Iterator
AUTHOR
Christian Glahn, <phish@cpan.org>
COPYRIGHT
(c) 2002-2007, Christian Glahn. All rights reserved.
This package is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.10.0 2007-09-28 XML::LibXML::NodeList::Iterator(3pm)