Hi Folks,
Given the following XML, what is the “best” way to test for the existence of
values in a node?
let $list :=
<list>
<item/>
</list>
How would I best check to see if the list has any element values?
If ($list/string()) then … ?
How would I count the number of items with values?
count($list/item)
What about for the following list?
let $list :=
<list>
<item/>
<item i=”2”/>
<item>
<key/>
<value/>
</item>
<item>
<key>autumn</key>
<value>Autumn</value>
</item>
</list>
How would I iterate through the list of items with element values in any
sub-node?
for $item in $list/item
where $item
return …
Were there changes between ML6 * ML7 that affected any of these evaluations?
What are some good resources for explaining this? Thanks for any help!
Tim M.
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