Re: [xsl] Add numbers

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Harsh,

At 11:04 AM 10/9/2007, you wrote:
> I have used the Meunichian method to group the nodes with same keys
> together. But I don't know how to proceed from there. I tried using the
> sum() function but it won't work for me on account that even if I run a
> for-each loop over the set of nodes with the same key, it just prints
> out the value of "val" for each a element.

Don't use a for-each; simply sum() the nodes you want to add together:

sum(key('items-by-key',@key)/@val)

using any of the items with the correct @key as the context.

I hope this helps,
Wendell

> I have an XML:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <first>
>     <second>
>         <a val="4" key="one">b</a>
>         <a val="2" key="two">b</a>
>     </second>
>     <second>
>         <a val="3" key="one">c</a>
>     </second>
> </first>
>
> I need to group together the nodes which have the same key and then I
> need to add the attribute "val" in all such cases.
>
> So, The output I need is:
>
> <op>
>         <one>
>                 <val>7</val>
>         </one>
>         <two>
>                 <val>2</val>
>         </two>
> </op>


> Thanks,
> Harsh.


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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
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