Exercises

1. Modify the XML::Twig example shown in Listing 4.9 to also parse the <department_name> elements and include them as part of the output report. Is it easy to retrieve another element earlier in the path ?

2. Find or build a large XML document (at least several MB) and use the Perl Benchmark module to compare parsing times of the various DOM modules. If we needed to extract only a portion of an XML document, is the XML::Twig XPath like mode much faster? How much faster?

For suggested solutions to this exercise, be sure to check out the web site: http://www.xmlproj.com/book/chapter4.