XML/XSLT stylesheet/copy of

Copy all the attributes and other nodes

File: Data.xml
<wine grape="chardonnay">
  <product>product 2</product>
  <year>1997</year>
  <price>10.99</price>
</wine>
File: Transform.xslt

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="1.0">
  <xsl:template match="year">
    <vintage>
      <xsl:apply-templates />
    </vintage>
  </xsl:template>
  <xsl:template match="price"></xsl:template>
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()" />
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><wine grape="chardonnay">
  <product>product 2</product>
  <vintage>1997</vintage>
  
</wine>

Copy all the other source tree nodes

File: Data.xml
<wine price="10.99" year="1997">product 2</wine>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="1.0">
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()" />
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><wine price="10.99" year="1997">product 2</wine>

copy-of select="."

File: Data.xml
<employeeData>
  <employee fileLoc="2.xml"/>
  <employee fileLoc="3.xml"/>
  <employee fileLoc="1.xml"/>
</employeeData>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes" />
  <xsl:template match="/">
    <employeeData>
      <title>Master Employee Data File</title>
      <xsl:for-each select="employeeData/employee">
        <xsl:apply-templates/>
      </xsl:for-each>
    </employeeData>
  </xsl:template>
  <xsl:template match="employee">
    <xsl:copy-of select="." />
  </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<employeeData>
   <title>Master Employee Data File</title>
</employeeData>

Copy value

File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<PurchaseOrder>
  <From>a</From>
  <To>b</To>
  <Address>
    <Street>Street</Street>
    <City>Town</City>
    <State>MO</State>
    <ZipCode>11111</ZipCode>
  </Address>
</PurchaseOrder>

File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="1.0">
  <xsl:template match="/">
    <Invoice>
      <xsl:apply-templates select="PurchaseOrder/To" />
      <xsl:apply-templates select="PurchaseOrder/From" />
      <xsl:apply-templates select="PurchaseOrder/Address" />
      <xsl:comment>
        The rest of the Invoice would go here.
      </xsl:comment>
    </Invoice>
  </xsl:template>
  <xsl:template match="To">
    <xsl:element name="From">
      <xsl:value-of select="." />
    </xsl:element>
  </xsl:template>
  <xsl:template match="From">
    <xsl:element name="To">
      <xsl:value-of select="." />
    </xsl:element>
  </xsl:template>
  <xsl:template match="Address">
    <xsl:copy-of select="." />
  </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><Invoice><From>b</From><To>a</To><Address>
    <Street>Street</Street>
    <City>Town</City>
    <State>MO</State>
    <ZipCode>11111</ZipCode>
  </Address><!--
        The rest of the Invoice would go here.
      --></Invoice>