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Re: defaulting empty node to zero


Chuck,

How about number(concat('0',$node))?

Summing is a bit harder; you may not be able to use a trick like this at 
all (until XPath 2).

Cheers,
Wendell

At 04:03 PM 5/24/2002, you wrote:
>I want to find the numeric value of a node. If the node is empty (e.g.: 
><taxAmount/>) I want zero. I also want zero when applying sum() to the 
>same or a set of similar nodes.
>Is there a solution to this problem other than setting a variable, check 
>the variable = NaN, return the variable or zero?


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Wendell Piez                            mailto:wapiez@mulberrytech.com
Mulberry Technologies, Inc.                http://www.mulberrytech.com
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