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Subject Author Date
XML file parser Bryan 04-04-2007
Posted by Bryan on April 4, 2007, 8:33 pm
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What is the best module to use for reading in an XML file, modifying a
field and then writing it back to file? There seem to be a lot of XML
parsers out there....

Thanks,
B

Posted by Sherm Pendley on April 4, 2007, 9:08 pm
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> What is the best module to use for reading in an XML file, modifying a
> field and then writing it back to file? There seem to be a lot of XML
> parsers out there....

That's far too vague to give a useful answer.

Best in what way? Memory use? Speed? Ease of coding? Portability? Do you
want an event-driven parser, a DOM parser, or one that gives you native
Perl data structures like hashes and arrays?

The reason there are so many parsers is that each has strengths and weak-
nesses. There isn't just one "best" module - you have to choose the one
whose strengths are a good fit for the job you're doing.

sherm--

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Posted by Ron Savage on April 6, 2007, 8:50 pm
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Bryan wrote:

Hi Bryan

> What is the best module to use for reading in an XML file, modifying a

http://perl-xml.sourceforge.net/faq/

Posted by Tom on April 20, 2007, 1:20 pm
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On Sat, 07 Apr 2007 00:50:24 +0000, Ron Savage wrote...
>
>Bryan wrote:
>
>Hi Bryan
>
>> What is the best module to use for reading in an XML file, modifying a
>
>http://perl-xml.sourceforge.net/faq/


Taking a bit of a crash course in XML/SOAP. I got as far as getting a response
back with XML code but having a tough time parsing it.

Not sure if it's unique to me, but I'm getting a lot of data back as one line.
Is that normal and would that mean I should probably take the "tree" style
approach with XML::Parser?


Tom
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Posted by Sherm Pendley on April 20, 2007, 3:05 pm
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> Taking a bit of a crash course in XML/SOAP. I got as far as getting a response
> back with XML code but having a tough time parsing it.
>
> Not sure if it's unique to me, but I'm getting a lot of data back as one line.
> Is that normal and would that mean I should probably take the "tree" style
> approach with XML::Parser?

The "normal" approach is to use Soap::Lite or some other module to send the
request and parse the response. You don't need to parse XML just to handle a
simple SOAP request. Why reinvent the wheel?

Anyway, to answer your question - callback-based XML parsers don't call your
handler functions for lines of text, they call them for tags. So it doesn't
matter if the XML is one line or a thousand.

sherm--

--
Web Hosting by West Virginians, for West Virginians: http://wv-www.net
Cocoa programming in Perl: http://camelbones.sourceforge.net

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