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RE: XPath query
- From: jivanyi@a... (Julius Ivanyi)
- To: 'Gao Jun' <jgao@p...>, xml-dev@l...
- Date: Fri, 07 Sep 2001 07:56:28 -0500
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Hi
we are
developing an XML tool that is using XPath syntax to locate, update, create and
delete XML data. It is written in Perl, we ae using it from DOS batch files. An
example call looks like:
perl
D:\scheduler\XMLProcessing.pl
"D:\scheduler\DSMapped\onlineRateReporting.xml#child::reportLine[{declare
Join(@Key) match href(runtimes.xml#attribute::Key(@Join)[{declare
RunTime(@Time)}]) replace Scheduled(@RunTime)}]"
where
Perl executes the application XMLProcessing.pl with the argument between
double-quotes. This is the XPath command, extended to use predicate-processing (
between {}). The meaning is: take onlineRateReporting.xml child nodes called
reportLine, declare a variable 'Join' with the value of those nodes 'Key'
element, match those values against runtimes.xml attributes called 'Key' values,
and if match declare a variable 'RunTime' with the value of 'Time' element and
use this to update element 'Scheduled' in the first xml file.
This may
not be exactly what you are looking for.
Best
Regards
Julius
Hi,
Can anybody give me an example
on using XPath to perform
some kind of full-text search against XML
documents? Thanks.
Gao Jun
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