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Top Forums Shell Programming and Scripting Extract URL from RSS Feed in AWK Post 302449060 by fahdmirza on Saturday 28th of August 2010 06:50:28 AM
Old 08-28-2010
Hi Scrutinizer, thanks for the reply. Pardon my ignorance, but I have little confusion.

For example take the following line from the data:

<outline title="Matt Cutts" type="rss" version="RSS" xmlUrl="http://www.mattcutts.com/blog/feed/" htmlUrl="http://www.mattcutts.com/blog"/>

Now first your code makes the above full line (or record) as one field by doing RS=FS.

Then it matches the start of xmlUrl in above line, and now the field separater is ".

My question is how $2 contains the required url. Please explain.

Thanks.
 

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Wiki::Toolkit::Plugin::RSS::Reader(3pm) 		User Contributed Perl Documentation		   Wiki::Toolkit::Plugin::RSS::Reader(3pm)

NAME
Wiki::Toolkit::Plugin::RSS::Reader - retrieve RSS feeds for inclusion in Wiki::Toolkit nodes DESCRIPTION
Use this Wiki::Toolkit plugin to retrieve an RSS feed from a given URL so that you can include it in a wiki node. SYNOPSIS
use Wiki::Toolkit::Plugin::RSS::Reader; my $rss = Wiki::Toolkit::Plugin::RSS::Reader->new( url => 'http://example.com/feed.rss' ); my @items = $rss->retrieve; USAGE
This is a plugin for Wiki::Toolkit, a toolkit for building wikis; therefore please consult the documentation for Wiki::Toolkit for relevant information. This module can, however, be used standalone if you wish. METHODS
"new" my $rss = Wiki::Toolkit::Plugin::RSS::Reader->new([options]); Create a new RSS reader. Valid options are "url" or "file" (a path to an RSS file); only one can be specified. "retrieve" my @items = $rss->retrieve; "retrieve" will return an array of hashes, one for each item in the RSS feed. The hashes contain three items, "title", "link", and "description". If the URL or file you specified cannot be retrieved/read, "retrieve" will return undef rather than blowing up and surprising the person reading your wiki. If you want, you can specify "debug" to be 1 in the options to "new", which will cause the module to croak instead of failing silently. AUTHOR
Earle Martin (EMARTIN@cpan.org) The Wiki::Toolkit team, (http://www.wiki-toolkit.org/) LEGAL
Copyright 2004 Earle Martin. Copyright 2006 the Wiki::Toolkit team. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2009-10-25 Wiki::Toolkit::Plugin::RSS::Reader(3pm)
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