Re: Merging two xml files

>>I am trying to merge two xml files, using a xsl stylesheet...
>>Basically, the only thing I know about the files is that they have the same
>>root node.
>>
>>For example, with the 2 following files:
>>File1.xml:
>><root>
>>       <elt1 att1="a" att2="b">
>>               <subelt1 att1="b"/>
>>               <subelt1 att1="c"/>
>>       </elt1>
>>       <elt2 att1="d"/>
>></root>
>>
>>File2.xml:
>><root>
>>       <elt1 att1="a" att2="b">
>>               <subelt1 att1="c"/>
>>               <subelt1 att1="d"/>
>>       </elt1>
>>       <elt1 att1="a" att2="d">
>>               <subelt1 att1="x"/>
>>       </elt1>
>>       <elt3 att1="e"/>
>></root>
>>
>>Should give something like:
>><root>
>>       <elt1 att1="a" att2="b">
>>               <subelt1 att1="b"/>
>>               <subelt1 att1="c"/>
>>               <subelt1 att1="d"/>
>>       </elt1>
>>       <elt1 att1="a" att2="d">
>>               <subelt1 att1="x"/>
>>       </elt1>
>>       <elt2 att1="d"/>
>>       <elt3 att1="e"/>
>></root>
>>
>>So the following rules must be respected:
>>. Each element associated with its attribute is unique (we don't have two
>><elt1 att1="a" att2="b">).
>>. If one element exists only in one of the file, it should  appear in the
>>output.
>>

The online chapter of Sal Mangano's XSLT Cookbook may shed some light
on this. Check out:

http://www.oreilly.com/catalog/xsltckbk/chapter/ch07.pdf

(I recommend the whole book as well.) Sorry that I don't have time to
cook up a working sample myself. ;-)

--David Mitchell


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