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A simpler XML tool

 
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Old 10-18-2011
A simpler XML tool
We've been getting a lot of XML questions lately, and I suspect it's only going to get worse better ... Normal shell utilities just can't handle it and the "proper" solutions, do-everything perl modules or things like xmlstarlet, just make my head ache.

Started coding something tonight. What the mockup can do, right now:

Code:
$ wget -q -O - "http://rss.cnn.com/rss/cnn_topstories.rss" | ./mox item.title 2> /dev/null

<title>Israeli soldier freed after 5 years</title>
<title>Expert: Long road ahead for Shalit</title>
<title>Malaria vaccine tantalizingly close</title>
<title>Clinton makes unannounced Libya trip</title>
<title>Body may be missing Maryland boy</title>
<title>Disabled captives case may grow</title>

$

I'm hoping to eventually make it a language to match and rearrange xml, with a built-in event loop sort of like awk's.
 
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LEARN ABOUT MOJAVE

xml::xpath::nodeset5.18

XPath::NodeSet(3)					User Contributed Perl Documentation					 XPath::NodeSet(3)

NAME

       XML::XPath::NodeSet - a list of XML document nodes

DESCRIPTION

       An XML::XPath::NodeSet object contains an ordered list of nodes. The nodes each take the same format as described in XML::XPath::XMLParser.

SYNOPSIS

	       my $results = $xp->find('//someelement');
	       if (!$results->isa('XML::XPath::NodeSet')) {
		       print "Found $results
";
		       exit;
	       }
	       foreach my $context ($results->get_nodelist) {
		       my $newresults = $xp->find('./other/element', $context);
		       ...
	       }

API

   new()
       You will almost never have to create a new NodeSet object, as it is all done for you by XPath.

   get_nodelist()
       Returns a list of nodes. See XML::XPath::XMLParser for the format of the nodes.

   string_value()
       Returns the string-value of the first node in the list.	See the XPath specification for what "string-value" means.

   to_literal()
       Returns the concatenation of all the string-values of all the nodes in the list.

   get_node($pos)
       Returns the node at $pos. The node position in XPath is based at 1, not 0.

   size()
       Returns the number of nodes in the NodeSet.

   pop()
       Equivalent to perl's pop function.

   push(@nodes)
       Equivalent to perl's push function.

   append($nodeset)
       Given a nodeset, appends the list of nodes in $nodeset to the end of the current list.

   shift()
       Equivalent to perl's shift function.

   unshift(@nodes)
       Equivalent to perl's unshift function.

   prepend($nodeset)
       Given a nodeset, prepends the list of nodes in $nodeset to the front of the current list.

perl v5.18.2							    2002-09-02							 XPath::NodeSet(3)