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| Tutorials - How To Compare Members in an XPath Filter |
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In some situations, we want to compare two or more members using more sophisticated criteria than simple comparison. This often requires the inclusion of computation operators in a filter. Suppose we have a document used to record a set of test scores…
… and want to list the names of all students who got at least a “B” on their test.
The XPath filter in this example achieves this, comparing each test core to the total possible points using an arithmetic expression (note that Tectonic requires use of the “~/” symbol for division).
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