xsltproc: extrat xml attributes
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output omit-xml-declaration="no" indent="yes" method="text" />
<xsl:strip-space elements="*" />
<xsl:template match="user[@name][@email]">
<xsl:value-of select="parent::*/@id" />
<xsl:text> - </xsl:text>
<xsl:value-of select="@name" />
<xsl:text>
</xsl:text>
</xsl:template>
</xsl:stylesheet>