From: 7stud -- <bbxx789_05ss@...>
Date: 2011-09-05T16:28:02+09:00
Subject: Re: Ruby and XML

<?xml version="1.0"?>
<note>

  <name>Tove</name>
  <value>Tove's value is: 10</value>
  <garbage>xxxx</garbage>

  <to>Tove</to>
  <from>Jani</from>
  <heading>Reminder</heading>
  <body>Don't forget me this weekend!</body>

  <parent>
    <name>Jani</name>
    <value>Jani's value is: 20</value>
    <garbage>xxxx</garbage>
  </parent>

  <parent>
    <name>No sibling</name>
  </parent>
  <value>No sibling's value is: 30</value>


</note>



require 'rexml/document'

f = File.new("xml.xml")
doc = REXML::Document.new(f)

REXML::XPath.each(doc, "//name") do |element|
  puts "name: #{element.text}"
  if sibling = element.next_element
    puts sibling.text
  else
    puts "No <value> tag that is a sibling"
  end

  puts "-" * 20
end


--output:--
name: Tove
Tove's value is: 10
--------------------
name: Jani
Jani's value is: 20
--------------------
name: No sibling
No <value> tag that is a sibling
--------------------

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