<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

<xsl:output indent="yes" />

<xsl:strip-space elements="*" />

<xsl:template match="*">
<xsl:copy>
   <xsl:if test="@*">
       <xsl:for-each select="@*">
	  <xsl:element name="{name()}">
	      <xsl:value-of select="." />
	  </xsl:element>
       </xsl:for-each>
   </xsl:if>
   <xsl:apply-templates />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>

# convert into elements
xsltproc xml2elements.xsl example.xml > example.2.xml

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text" encoding="iso-8859-1"/>

<xsl:param name="delim" select="';'" />
<xsl:param name="break" select="'
'" /><!-- xA = NL, xD = CR -->
<xsl:param name="colnames" select="'y'"/>

<xsl:strip-space elements="*" />


<xsl:template match="/*/child::*">
<!--headerline-->
<xsl:if test="$colnames = 'y'">
  <xsl:if test="position() = 1">
      <xsl:for-each select="child::*">
	     <xsl:value-of select="name()"/>
             <xsl:if test="position() != last()">
	           <xsl:value-of select="$delim"/>
             </xsl:if>
      </xsl:for-each>
      <!-- hardcode version newline -->
	<!--<xsl:text>
</xsl:text>-->
      <!-- linebreak, nicer -->
      <xsl:value-of select="$break" />
  </xsl:if>
</xsl:if>


<!--dataline-->
<xsl:for-each select="child::*">

<xsl:if test="position() != last()"><xsl:value-of select="normalize-space(.)"/>
	  <xsl:value-of select="$delim" />
</xsl:if>

<xsl:if test="position()  = last()"><xsl:value-of select="normalize-space(.)"/>
	  <xsl:value-of select="$break" />
</xsl:if>

</xsl:for-each>
</xsl:template>

</xsl:stylesheet>

# convert into elements
xsltproc xml2elements.xsl example.xml > example.2.xml
# convert into csv, using default parameters
xsltproc xml2csv.xsl example.2.xml
# convert into csv, without column names
xsltproc -param colnames n xml2csv.xsl example.2.xml
# convert using delimiter | and without colnames
xsltproc -param colnames n -stringparam delim "|" xml2csv.xsl example.2.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

   <xsl:output indent="yes" />
   <xsl:strip-space elements="*" />

   <!-- default copy all node -->
   <xsl:template match="@*|node()">
     <xsl:copy>
       <xsl:apply-templates select="@*|node()"/>
     </xsl:copy>
   </xsl:template>

   <!-- template for the document element -->
   <!-- = remove root node -->
   <xsl:template match="/*">
     <xsl:apply-templates select="node()" />
   </xsl:template>

  <!-- remove attributes  <xxx attr="some">value</xxx> -->
  <xsl:template match="@attr"/>
  <xsl:template match="@format"/>
  <xsl:template match="@author"/>


  <!-- remove element  <xxx>value</xxx> -->
  <xsl:template match="xxx"/>
  <xsl:template match="country"/>

  <!-- remove only element childs <xxx><child1>val</child1></xxx> -->
  <xsl:template match="xxx/*"  />

   <!-- move children element value for mother and remove child = more flat, 
           less hierarchical -->
   <xsl:template match="subnode/*">
     <xsl:apply-templates select="node()" />
   </xsl:template>

   <!-- remove some element but leave the child = more flat, less hierarchical -->
   <xsl:template match="some">
     <xsl:apply-templates select="node()" />
   </xsl:template>

   <!-- remove some data based on attribute value -->
   <xsl:template match="product[@id='p6']" />

   <!-- remove comments -->
   <xsl:template match="comment()"/>

   <!-- rename element name=>itemname -->
   <xsl:template match="name">
    <itemname>
      <xsl:apply-templates select="@*|node()"/>
    </itemname>
   </xsl:template>

</xsl:stylesheet>