Auto-Generating DTDs

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I’ve used this DTD generator tool a long time ago, but today I had to use it again, so I thought I should put an entry on my blog about it and keep it archived for future reference.
Download the file dtdgen.jar and copy it to your [java_installation]jrelibext (assuming it’s on your classpath)
Test to see if you can run java stuff by opening a command line and running: 

java

You should get some usage example text.
 

 
If you do, you’re ready to generate DTD’s.
Copy your XML file to the desired folder and run the following script:
java DTDGenerator "path_to_my_xml_file.xml">"path_to_my_generated_dtd_file.dtd"