XML Unleashed

Generating DTDs

In the previous section, I covered the usage of the DDbE command-line application, but I didn't work through how to generate DTDs from actual XML documents. It's worth testing out DDbE on a few documents and analyzing the results to see how good it is at inferring a DTD from an XML document. The first document I want to tackle is the address book document from Chapter 1, "An XML Refresher," and Chapter 2, "Modeling Data: Document Type Definitions (DTD) and Schemas." If you'll recall, this document was used to store an address book containing contact information.

The following is the command required to generate a DTD from the address book document using the DDbE command-line application:

 java DDbECommandLine AddressBook.xml ...