Saxon

<xsl:stylesheet xmlns:file="http://expath.org/ns/file"

xmlns:xsl="http://www.w3.org/1999/XSL/Transform"

expand-text="yes"

version="3.0">

<xsl:mode default-mode="#unnamed" on-no-match="shallow-copy"/>

<xsl:template match="/*/*[1]">

<xsl:next-match/>

<xsl:text>&#xa;</xsl:text>

<xsl:comment>fn:doc available? {function-available('doc', 1)}</xsl:comment>

<xsl:text>&#xa;</xsl:text>

<xsl:comment>file:last-modified available? {function-available('file:last-modified', 1)}</xsl:comment>

<xsl:text>&#xa;</xsl:text>

<xsl:comment>this file last modified {file:last-modified(static-base-uri())}</xsl:comment>

<xsl:text>&#xa;</xsl:text>

<xsl:comment>this file size {file:size(static-base-uri())}</xsl:comment>

<xsl:text>&#xa;</xsl:text>

<xsl:comment>uris sorted {sort((base-uri(/), static-base-uri()), (), file:last-modified#1)}</xsl:comment>

</xsl:template>

</xsl:stylesheet>