rexml « XML « Ruby

1.REXML is already part of Ruby, you get it free of charge.
2.A basic demonstration of parsing an XML file looking for certain elements:
3.Use rexml to read xml file
4.Checking XML Well-Formedness
5.Get the first element under root
6.Output xml with REXML
7.Extracting Data While Parsing a Document
8.get a Node from xml document
9.Extracting Data From a Document's Tree Structure

10.Entity Substituter
11.Assign new value to node
12.Creating and Modifying XML Documents
13.Add new element
14.Compressing Whitespace in an XML Document
15.Compress whitespace only in anchor
16.Leave whitespace for anchor
17.Compress new line character
18.require 'rexml/document'