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Perl XML

by ramya2005 (Scribe)
on Aug 09, 2005 at 22:50 UTC ( #482459=perlquestion: print w/replies, xml ) Need Help??

ramya2005 has asked for the wisdom of the Perl Monks concerning the following question:

Dear Users:

I am new to Perl programming. Please help me in doing XML parsing and editing.

In my project, the user will provide me with a user friendly hash which not necessarily have the same structure as the example XML. I should be able to read that hash and modify the corresponding tags in the example XML file.

Replies are listed 'Best First'.
by Joost (Canon) on Aug 09, 2005 at 23:11 UTC
      I can't use XML::Simple because it is not preserving attributes and elements.
      Also for my application, I have to preserve the order and structure of the XML that I am creating.
      Regarding my requirement, I should be able to parse the XML file going step by step from top to bottom.
      While parsing I should be able to edit some of the tags and so on. When I finish I should be able to create an XML which is similar to the original one in structure.
        I tend to use XML::Twig for most of my perl/XML work, but most "full featured" XML parsers should be able to deal with your data provided it's presented as actual XML (your <img> tag is missing an ending slash, so your input is not valid).

        If you have valid XML input, XML::Parser is probably one of the most flexible solutions, but IMO most problems can be solved easier with either XML::Twig or even XML::Simple. (See also the ForceArray and ForceContent options of XML::Simple)

        update: ignore the parts I striked - I was replying to 2 different XML threads at the same time, and I got confused. Luckily, most of the advise is reasonably sound. :-)

by chanakya (Friar) on Aug 10, 2005 at 05:49 UTC
    I fully agree to Joost post. XML::Twig and XML::Parser will be sufficient for your parsing/checking needs. The following link contains some good tutorials and examples to start you on the job xmltwig. The tutorials in this link may be of help XML::Twig tutorials

    Good Luck
    May the force be with you !!

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