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Shell Programming and Scripting
Parsing xml using awk - more help needed
Post 302236385 by matrixmadhan on Monday 15th of September 2008 11:35:13 AM
09-15-2008
Working with XML files -
using all these tools like awk, shell scripting, sed everything would work
But IMHO
they are not maintainable,
quite difficult if you had to do some modification (just extend XPath or append something to the root element for example ),
will take more time for modification and testing.
In short, its not supported.
Instead there are wonderful perl modules available from CPAN.
Though, the initial time spent on learning and figuring out is more, its worth spending the time.
But for quick win cases, 1 time runs - all these awk/sed/shell scripting should be fine.
When the scripts that work on XML files need to be productionized or need to address a big set of file base, then they are not scalable way of doing them.
using all these tools like awk, shell scripting, sed everything would work
But IMHO
they are not maintainable,
quite difficult if you had to do some modification (just extend XPath or append something to the root element for example ),
will take more time for modification and testing.
In short, its not supported.
Instead there are wonderful perl modules available from CPAN.
Though, the initial time spent on learning and figuring out is more, its worth spending the time.
But for quick win cases, 1 time runs - all these awk/sed/shell scripting should be fine.
When the scripts that work on XML files need to be productionized or need to address a big set of file base, then they are not scalable way of doing them.
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LEARN ABOUT SUSE
xml::xpath::node
XPath::Node(3) User Contributed Perl Documentation XPath::Node(3) NAME
XML::XPath::Node - internal representation of a node API
The Node API aims to emulate DOM to some extent, however the API isn't quite compatible with DOM. This is to ease transition from XML::DOM programming to XML::XPath. Compatibility with DOM may arise once XML::DOM gets namespace support. new Creates a new node. See the sub-classes for parameters to pass to new(). getNodeType Returns one of ELEMENT_NODE, TEXT_NODE, COMMENT_NODE, ATTRIBUTE_NODE, PROCESSING_INSTRUCTION_NODE or NAMESPACE_NODE. UNKNOWN_NODE is returned if the sub-class doesn't implement getNodeType - but that means something is broken! The constants are exported by default from XML::XPath::Node. The constants have the same numeric value as the XML::DOM versions. getParentNode Returns the parent of this node, or undef if this is the root node. Note that the root node is the root node in terms of XPath - not the root element node. to_sax ( $handler | %handlers ) Generates sax calls to the handler or handlers. See the PerlSAX docs for details (not yet implemented correctly). MORE INFO
See the sub-classes for the meaning of the rest of the API: o XML::XPath::Node::Element o XML::XPath::Node::Attribute o XML::XPath::Node::Namespace o XML::XPath::Node::Text o XML::XPath::Node::Comment o XML::XPath::Node::PI perl v5.12.1 2003-01-26 XPath::Node(3)