Perl XML::LibXML by Example

The XML::LibXML Perl module is a wrapper around the libxml2 parser library which is written in C. This tutorial uses example code to introduce the features of XML::LibXML and the ways in which you can use the module. The example scripts and XML documents are available as a ZIP file download.

Get started with a basic example or jump directly to a specific topic using the Table of Contents.

• A Basic Example
  • Other XML sources
  • A more complex example
  • Accessing attributes
  • Attributes via tied hash
  • Parsing Errors
• XPath Expressions
  • XPath Functions
• The Document Object Model
  • The ‘Document’ object
  • ‘Element’ objects
  • ‘Text’ objects
  • ‘Attr’ objects
  • ‘NodeList’ objects
  • Modifying the DOM
  • Creating a new Document
• Working with XML Namespaces
• Working With Large Documents
  • The Reader Loop
  • Bring Back the DOM
  • Error Handling
  • Working With Patterns
• Working with HTML
  • Querying HTML with XPath
  • Matching class names
  • Using CSS-style selectors
• Installing XML::LibXML
  • Installing on Windows
  • Installing on Linux
  • Installing on Mac OS X

Alternate Formats

The primary target for this project is the set of HTML pages. Alternate formats are available but may be missing some elements or features which are present in the HTML:

• .pdf version
• .epub version

Corrections and Updates

If you spot errors in the text of this document, please raise an issue on GitHub. You are also welcome to fork the project, commit a fix and raise a pull request.

If you find this document useful please link to it from your blogs, tweets, Stack Overflow answers etc. The canonical URL for linking is http://grantm.github.io/perl-libxml-by-example/.

Contributors

In alphabetical order:

• Brandon Youngdale
• Grant McLean