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IBM developerWorks: Tutorial: XML and scripting languages

“Manipulating XML documents with Perl and other scripting
languages.”

“In this first tutorial of his series on using scripting
languages to manipulate and transform XML documents, Binary
Evolution’s Parand Tony Daruger takes you through the first steps
of using these techniques with Perl. You’ll see a method for
transforming XML to HTML, followed by a simple stock trading
application that uses Perl, XML, and a database to evaluate trading
rules. You can apply the techniques using other scripting languages
too, including Tcl and Python.”

“XML is designed to be human legible, and thus mainly text
based. Scripting languages have historically been extremely adept
at manipulating text. Scripting’s flexibility and power make it a
perfect complement to XML’s descriptive abilities.”

“XML is a medium for the expression, storage, and exchange of
information. The addition of scripting allows this information to
become active: to affect actions, undergo transformations, connect
with existing systems, and take action instead of simply expressing
information.”

“In this article we will use Perl to manipulate and transform
XML. You can apply the same techniques using other scripting
languages too, including Tcl and Python. First a technique for
transformation of XML to HTML will be shown, followed by a simple
stock trading application that uses Perl, XML, and a database to
evaluate trading rules.”

Complete
story
.