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Comment #1 posted on 2013-10-25 16:40:37 by Ken Fallon

There is another way

While there usually is another way with perl, this time there is another way with the xslt. This is the xpath will select only the @type where the string is set to "audio/ogg" and then only display the first one.
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="https://www.w3.org/1999/XSL/Transform" xmlns:exslt="https://exslt.org/common" xmlns:content="https://purl.org/rss/1.0/modules/content/" xmlns:wfw="https://wellformedweb.org/CommentAPI/" xmlns:dc="https://purl.org/dc/elements/1.1/" xmlns:atom="https://www.w3.org/2005/Atom" xmlns:sy="https://purl.org/rss/1.0/modules/syndication/" xmlns:slash="https://purl.org/rss/1.0/modules/slash/" xmlns:georss="https://www.georss.org/georss" xmlns:geo="https://www.w3.org/2003/01/geo/wgs84_pos#" xmlns:media="https://search.yahoo.com/mrss/" version="1.0" extension-element-prefixes="exslt">
<xsl:output omit-xml-declaration="yes" indent="no" method="text"/>
<xsl:template match="/">
<xsl:for-each select="/rss/channel/item/enclosure[@type="audio/ogg"][1]">
<xsl:call-template name="value-of-template">
<xsl:with-param name="select" select="@url"/>
</xsl:call-template>
<xsl:value-of select="' '"/>
</xsl:for-each>
</xsl:template>
<xsl:template name="value-of-template">
<xsl:param name="select"/>
<xsl:value-of select="$select"/>
<xsl:for-each select="exslt:node-set($select)[position()>1]">
<xsl:value-of select="' '"/>
<xsl:value-of select="."/>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>

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