An XSLT template to extract comments from a Wordpress export XML file to a YAML-headed markdown file for Jekyll

extract-comments-to-md-yaml.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:wp="http://wordpress.org/export/1.2/" xmlns:fn="http://www.w3.org/2005/xpath-functions">

  <xsl:output method="text"/>

  <xsl:template match="/">
    <xsl:for-each select="rss/channel/item">
      <xsl:variable name="vName" select="wp:post_name"/>
      <xsl:variable name="vLink" select="link"/>
      <xsl:variable name="vDate" select="wp:post_date"/>
      <xsl:variable name="vPath" select="concat(fn:substring($vDate,1,10),'-',$vName)"/>
      <xsl:for-each select="wp:comment">
        <xsl:variable name="vWPID" select="wp:comment_id"/>
        <xsl:result-document href="../andrewwhitby.com/_comments/{$vWPID}.md" method="text">---
path: <xsl:value-of select="$vPath"/>
slug: <xsl:value-of select="$vName"/>
link: <xsl:value-of select="$vLink"/>
wpid: <xsl:value-of select="wp:comment_id"/>
wptype: <xsl:value-of select="wp:comment_type"/>
parent_wpid: <xsl:value-of select="wp:comment_parent"/>
author: "<xsl:value-of select="wp:comment_author"/>"
author_url: <xsl:value-of select="wp:comment_author_url"/>
email: <xsl:value-of select="wp:comment_author_email"/>
date: <xsl:value-of select="wp:comment_date_gmt"/>
---

<xsl:value-of select="wp:comment_content"/>
<xsl:text>&#xa;</xsl:text>
        </xsl:result-document>
      </xsl:for-each>
    </xsl:for-each>
  </xsl:template>
    
</xsl:stylesheet>