add parameter in order to direct output to a particular place

splitentries.xsl

@@ -5,6 +5,7 @@
   exclude-result-prefixes="#all"
   version="2.0">
 
+  <xsl:param name="where">../posts</xsl:param>
   <xsl:output encoding="UTF-8" indent="yes" media-type="application/atom+xml" method="xml" name="atom" exclude-result-prefixes="atom" cdata-section-elements="atom:content"/>
 
   <xsl:template match="/">
@@ -23,7 +24,7 @@
       <xsl:text>post-</xsl:text>
       <xsl:value-of select="$fid"/>
     </xsl:variable>
-    <xsl:result-document format="atom" href="posts/{$fpath}/{$fn}-atom.xml">
+    <xsl:result-document format="atom" href="{$where}/{$fpath}/{$fn}-atom.xml">
       <xsl:copy>
         <xsl:copy-of select="@*"/>
         <xsl:apply-templates/>