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Task/XML-XPath/Ruby/xml-xpath.rb

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+#Example taken from the REXML tutorial (http://www.germane-software.com/software/rexml/docs/tutorial.html)
+require "rexml/document"
+include REXML
+#create the REXML Document from the string (%q is Ruby's multiline string, everything between the two @-characters is the string)
+doc = Document.new(
+        %q@<inventory title="OmniCorp Store #45x10^3">
+             ...
+           </inventory>
+          @
+                          )
+# The invisibility cream is the first <item>
+invisibility = XPath.first( doc, "//item" )
+# Prints out all of the prices
+XPath.each( doc, "//price") { |element| puts element.text }
+# Gets an array of all of the "name" elements in the document.
+names = XPath.match( doc, "//name" )