Extract an entity descriptor from a SAML metadata aggregate

extract_entity.xsl

<?xml version="1.0" encoding="UTF-8"?>
<!--
	extract_entity.xsl
	
	An XSL transform that takes a SAML V2.0 metadata file and 
	extracts a single entity descriptor.
-->
<xsl:stylesheet version="1.0"
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata">
	
	<xsl:param name="entityID" required="yes"/>
	
    <xsl:template match="/">
    	<xsl:copy-of select="/md:EntitiesDescriptor/md:EntityDescriptor[@entityID=$entityID]"/>
    </xsl:template>
</xsl:stylesheet>

Thank you. This is very helpful.