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RE: a node child

2003-10-15 03:18:15
Hi,

Suppose we are located on a node. How could we test the 
existence of a given
child node ?

example: how to test that "eric" has a telephone and "max"  has not.?
-------------------------------------------------------
<persons>
    <person name="eric">
        <tel>003366778899</tel>
    </person>
    <person name="max"/>
<persons>

"person[(_at_)name = 'eric']/telephone and not(person[(_at_)name = 
'max']/telephone)"

i.e. try to select it—XPath 1.0 casts a non-empty node-set to a boolean true.

Cheers,

Jarno - last week's Real Synthetic Audio show

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