xslt - remove duplicate nodes from xml file using xsl -


i looking solution delete duplicates xml file not based on exact node name, instead, looking solution can identify duplicate nodes , delete them. first node should exist, , rest of duplicate nodes deleted.

i read couple of similar posts:

xsl - remove duplicate node keep original

removing duplicate elements xslt

example:

<?xml version="1.0" encoding="utf-8" standalone="no"?> <projects>         <project id="staticproperties">             <property name="prop1">removing prop if duplicate</property>                    <property name="prop2">removing prop if duplicate</property>                            <property name="prop3">removing prop if duplicate</property>                    <property name="prop4">removing prop if duplicate</property>                </project>         <project id="febrelease2013">             <property name="prop">testing prop pom.xml</property>             <property name="prop1">removing prop if duplicate</property>                <property name="prop3">removing prop if duplicate</property>                    <property name="prop1">removing prop if duplicate</property>                            <property name="prop5">removing prop if duplicate</property>            </project> </projects>

note: <property name="**could thing**">

desired output is:

<?xml version="1.0" encoding="utf-8" standalone="no"?> <projects>         <project id="staticproperties">             <property name="prop1">removing prop if duplicate</property>                    <property name="prop2">removing prop if duplicate</property>                            <property name="prop3">removing prop if duplicate</property>                    <property name="prop4">removing prop if duplicate</property>                </project>         <project id="febrelease2013">             <property name="prop">testing prop pom.xml</property>                   <property name="prop5">removing prop if duplicate</property>            </project> </projects>

one way via xslt 1.0 utilizing muenchian grouping methodology output unique <property> elements (based on @name attribute).

for example, when xslt:

<?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/xsl/transform" version="1.0">   <xsl:output omit-xml-declaration="no" indent="yes"/>   <xsl:strip-space elements="*"/>    <xsl:key name="kpropertybyname" match="property" use="@name"/>    <xsl:template match="@*|node()">     <xsl:copy>       <xsl:apply-templates select="@*|node()"/>     </xsl:copy>   </xsl:template>    <xsl:template     match="property[              not(                generate-id() =                generate-id(key('kpropertybyname', @name)[1])              )            ]"/>  </xsl:stylesheet>

...is applied against provided xml, wanted result produced:

<?xml version="1.0" encoding="utf-8"?> <projects>   <project id="staticproperties">     <property name="prop1">removing prop if duplicate</property>     <property name="prop2">removing prop if duplicate</property>     <property name="prop3">removing prop if duplicate</property>     <property name="prop4">removing prop if duplicate</property>   </project>   <project id="febrelease2013">     <property name="prop">testing prop pom.xml</property>     <property name="prop5">removing prop if duplicate</property>   </project> </projects>

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