I've got an input file like this:
<items>
<item>
<a>abc</a>
<b>def</b>
<item>
<a>ghi</a>
<b>jkl</b>
</item>
<item>
<a>mno</a>
<b>pqr</b>
<item>
<a>stu</a>
<b>vwx</b>
</item>
</item>
</item
</items
The items can be nested to any depth.
I want to convert this to:
<items>
<item>
<level>0</level>
<a>abc</a>
<b>def</b>
</item
<item>
<level>1</level>
<a>ghi</a>
<b>jkl</b>
</item>
<item>
<level>1</level>
<a>mno</a>
<b>pqr</b>
</item
<item>
<level>2</level>
<a>stu</a>
<b>vwx</b>
</item>
</items
In other words I want to remove the hierarchy of items and replace it with
a 'level' element.
What's the best way of doing this?
Many thanks - Rowan
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