Include only few nodes in XML using XSLT

Please help me with XSL.  I'm new to XSL.

Here is the XML
---------------------
<envelope>
   <account id="12">
   <managed> 2 </managed>
   <ppID> 23 </ppID>
   
  <position>
    <secID> 1</secID>
    <qtySOD>100</qtySOD>
    <mktValSOD>10000</mktValSOD>
    <qtyIndaySOD>200</qtyIndaySOD>
    <mktValIndaySOD>20000</mktValIndaySOD>
   
  </position>

  <position>
    <secID> 2</secID>
    <qtySOD>200</qtySOD>
    <mktValSOD>20000</mktValSOD>
    <qtyIndaySOD>200</qtyIndaySOD>
    <mktValIndaySOD>30000</mktValIndaySOD>

  </position>
<Account>  

<envelope>


Output after Transform
------------------------------------------------------------------------------------
<envelope>
   <account id="12">

  <position>
    <secID> 1</secID>
    <qtySOD>100</qtySOD>
    <mktValSOD>10000</mktValSOD>
    <qtyIndaySOD>200</qtyIndaySOD>
    <mktValIndaySOD>20000</mktValIndaySOD>
   
  </position>

  <position>
    <secID> 2</secID>
    <qtySOD>200</qtySOD>
    <mktValSOD>20000</mktValSOD>
    <qtyIndaySOD>200</qtyIndaySOD>
    <mktValIndaySOD>30000</mktValIndaySOD>

  </position>
<Account>  
<envelope>
---------------------------------------------------------------------------------------

Thanks,
Sundeep
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sundeepgopalAsked:
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Geert BormansConnect With a Mentor Information ArchitectCommented:
Then you would get something like this
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
    <xsl:strip-space elements="*"/>
    <xsl:output indent="yes"/>
<xsl:template match="envelope | account | position | secID | qtySOD | mktValSOD | qtyIndaySOD | mktValIndaySOD">
    <xsl:copy>
        <xsl:copy-of select="@*"/>
        <xsl:apply-templates select="node()"/>
    </xsl:copy>
</xsl:template>
    <xsl:template match="*">
        <xsl:choose>
            <xsl:when test="*">
                <xsl:apply-templates select="node()"/>
            </xsl:when>
        </xsl:choose>
    </xsl:template>
</xsl:stylesheet>

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sundeepgopalAuthor Commented:
I already have code to delete the node. I want  XSLT code  to include the rest of the  nodes.
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Geert BormansInformation ArchitectCommented:
Here is an XSLT with two templates
First template copies all
The second is a specialisation, that removes two nodes
(a moire specialised template match takes precedence, so this two nodes are not copied)
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="node()">
    <xsl:copy>
        <xsl:copy-of select="@*"/>
        <xsl:apply-templates select="node()"/>
    </xsl:copy>
</xsl:template>
 <xsl:template match="managed | ppID"/>
</xsl:stylesheet>

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sundeepgopalAuthor Commented:
Hi Gertone,

I want it the other way. I might add some more nodes to xml in the future. So It would be great if you tell me to include the nodes that needed rather than removing the unwanted nodes.

Thanks,
Sundeep
 
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sundeepgopalAuthor Commented:
Thanks Gertone,
It is working fine. Quick questions:  How to add an attribute to a node using XSLT?
Example
------------------------------------------
  <envelope ack="detail">

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Geert BormansInformation ArchitectCommented:
<xsl:attribute name="ack">
   <xsl:text>detail</xsl:text>
</xsl:attribute>
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