Re: Why XML?
I'm not sure this thread deserves much more input, but here goes: On Fri, 2003-05-16 at 01:27, Matthew.Bennett@f... wrote: > I appreciate XML's strengths re: markup, but I don't think it has much of a > role in data exchange. Why would anyone use something as arcane as XML when > flat files have worked perfectly well since .... whenever. Between > 'trusted' parties, anyway. One reason to use XML is a well-defined validation mechansim in XML Schema. No such mechanism exists for flat file formats. For example, I have seen a complex application designed in two halves with a single message to exchange. In this case the two parties are part of the same product so there's no trust issue here at all. The XML Schema was agreed at an early stage and used as a contract for both halves of the product to develop to and more importantly *test* against. Compare this to a flat file format - sure, you can document the format but you've then got to test it by hand. Sounds like hard work to me. > W3C has violated a > first-order principle of language design; that there should only be one way > of doing something, such that everyone ought to devise the 'same' program > to solve the 'same' problem. I'd love to know where that's written down. The Perl motto is "There's more than one way to do it." Academics may have something to say about the design of Perl, but few will deny that Perl has proven to be an extremely useful tool in certain situations. Paul -- Paul Warren, Client Services DecisionSoft Limited +44-1865-203192 http://www.decisionsoft.com
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