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util
http://exist-db.org/xquery/util
A module for various utility extension functions.
document-id
util:document-id($node-or-path as item()) xs:int?
Returns the internal integer id of a document. The argument can either be a node or a string path pointing to a resource in the database. If the resource does not exist or the node does not belong to a stored document, the empty sequence is returned.
$node-or-pathThe node or a string path pointing to a resource in the database.
Returns the ID of the document
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