On Fri, 26 Jan 2001, Dave MacRae wrote:

>  > On Thu, 25 Jan 2001, rene mendoza wrote:
>  >
>  > > Hi i wanted to know if there are any books or online tutorials that
>  > > deal with perl & xml i dont know any XML however, where should i
>  > > start?
>  > >
>  > > all the books ive found deal with java & xml
>  > >
>  > > im writing a desktop app in TCL that has to connect to a perl program
>  > > that is on the web to upload and download data XML seems like the
>  > > perfect solution to me, am i wrong?
>  > >
>  > > where should i start to learn to integrate perl with XML, there are so
>  > > many modules in the CPAN i dont know what i need
>  >
>  > Right now the only book that covers any XML with Perl whatsoever is Dave
>  > Cross' "Data Munging with Perl". Although I'm not sure if the book is out
>  > yet (its certainly finished though).
>  >
>  > Alternative to that is XML.com, who now have a regular column by Kip
>  > Hampton on Perl/XML. http://www.xml.com/
> 
>  My current problem is that all of the discussion on Perl and XML, and indeed
>  most of the modules, appear to only deal with DTDs and not schemas. I
>  understand that schems were only finalised as a recommendation last October
>  but they certainly apprar to be much easier to use than DTDs.

Schemas are not finalised as a recommendation yet (and certainly not since
October!), they are just a candidate rec at the moment. Plus they are
*complex*. The current schema implementations are from my recollection:
from the Apache team (actually developed by either Sun or IBM, IIRC), from
Microsoft, from Oracle, from the author of the Schema spec or from XML
Spy.

All of these have lots of money behind them (or in Henry Thompson's case,
a bit of a competitive advantage). If you have similar funding,
please feel free to offer to pay someone to develop a compliant validator
:-)

Sadly the only way to work this right now is some sort of interface to
another language (Win32::OLE, Java.pm, Inline::Python).

>  The contents listing of the new O'Reilly book doesn't seem to mention
>  schemas at all, no xsd mentioned in the index.

Rusty didn't cover schemas as it was deemed too new. We discussed this but
there just wasn't a) time, and b) space in the book to cover such a large
spec in the detail it deserves.

>  Can anyone point me at any online resourses to do with Schemas and Perl ?

Not Schemas, per-se, but Schematron validation is available with Kip
Hampton's XML::Schematron.

-- 
<Matt/> 

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