HI,
I have the following XML file and want to sort
elements based on an attribute in the same level,
Also, output the non-duplicate elements.
<Member _pos="1" name="P1" >
<Data>123</Data>
<Member _pos="2" name="P12">
<Data>213</DataStorage>
<Member _pos="3" name="P121">
<Data>666</Data>
</Member>
</Member>
</Member>
<Member _pos="1" name="P1">
<DataS>123</Data>
<Member _pos="1" name="P11">
<Data>678</DataS>
</Member>
<Member _pos="2" name="P12">
<Data>213</Data>
</Member>
</Member>
<Member _pos="2" name="P2">
<DataS>4545</Data>
<Member _pos="1" name="P21">
<Data>678</DataS>
</Member>
<Member _pos="2" name="P22">
<Data>213</Data>
</Member>
</Member>
...
...
What I need in this case is:
<Member _pos="1" name="P1">
<DataS>123</Data>
<Member _pos="1" name="P11">
<Data>678</DataS>
</Member>
<Member _pos="2" name="P12">
<Data>213</Data>
<Member _pos="1" name="P121">
<Data>666</Data>
</Member>
</Member>
</Member>
<Member _pos="2" name="P2">
<DataS>4545</Data>
<Member _pos="1" name="P21">
<Data>678</DataS>
</Member>
<Member _pos="2" name="P22">
<Data>213</Data>
</Member>
</Member>
The requirement is somehow described as follows:
1. Sort based on "_pos" in each level of tree
structure.
2. For each level, output the elements without
duplicate element.
It is involved the recursive call, sorting and merge.
If anyone has a good idea for this, please lete me
know. Very appreciated!!
Thanks
Dongling
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