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How to remove duplicate records in XML based on a tag

GPRMar 3 2010 — edited Feb 27 2020
Hi,

I have an xml as follows:

<Root>
<MainHead>
<Head>
<Child1>11</Child1>
</Head>
<Head>
<Child1>22</Child1>
</Head>
<Head>
<Child1>33</Child1>
</Head>
</MainHead>
<MainHead>
<Head>
<Child1>11</Child1>
</Head>
<Head>
<Child1>33</Child1>
</Head>
<Head>
<Child1>55</Child1>
</Head>
</MainHead>
</Root>

I need to remove duplicate records from the above xml and the output xml should be as follows:

<Root>
<MainHead>
<Head>
<Child1>11</Child1>
</Head>
<Head>
<Child1>22</Child1>
</Head>
<Head>
<Child1>33</Child1>
</Head>
<Head>
<Child1>55</Child1>
</Head>
</MainHead>
</Root>


Any pointers would be of be great help.

Thanks in advance!!!
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Locked on Mar 31 2010
Added on Mar 3 2010
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