Split single XML document into multiple XML documents

Question

I have a task to split an XML that I'm receiving using XSLT. The input XML is formatted as follows:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<startup tenantid="edf81f6b-b223-432c-8ce8-38cbd38c76dc">
    <application sysid="cb9121ea-a82b-46ae-9521-f4563a51c5c0">
        <property type="Ws" name="module_name">Pratica</property>
        <property name="saas_user">batch_user</property>
    </application>
    <processing>
        <template type="Name">TemplateProva</template>
        <processmode>asynchronous</processmode>
        <channel>save</channel>
        <modus>central</modus>
        <editor>false</editor>
    </processing>
    <standarddata>
        <data>
            <object uniqueid="1" name="Pratica" boid="e90737aa-8785-4cbe-ba24-d7c479206872">
                <property name="ClienteCap" propid="eef76da7-e5e0-44d9-a1aa-e14621d2a993">10145</property>
                <property name="ClienteIndirizzo" propid="6b214298-61d4-4f42-ae25-9279f1db7e8f">Via Roma 10</property>
                <property name="NomeFileOutput" propid="6b1aa407-3ec8-4668-9095-da8c100ea3a1">NomeFileProva2225</property>
            </object>
            <object uniqueid="1" name="Pratica" boid="e90737aa-8785-4cbe-ba24-d7c479206872">
                <property name="ClienteCap" propid="eef76da7-e5e0-44d9-a1aa-e14621d2a993">10146</property>
                <property name="ClienteIndirizzo" propid="6b214298-61d4-4f42-ae25-9279f1db7e8f">Via Roma 11</property>
                <property name="NomeFileOutput" propid="6b1aa407-3ec8-4668-9095-da8c100ea3a1">NomeFileProva2226</property>
            </object>
        </data>
    </standarddata>
</startup>

I need to create 2 output XML documents, that should be like the input above, but each of them should just report 1 <object> element. Any suggestion on how to achieve this?

Example output files:

output1.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<startup tenantid="edf81f6b-b223-432c-8ce8-38cbd38c76dc">
    <application sysid="cb9121ea-a82b-46ae-9521-f4563a51c5c0">
        <property type="Ws" name="module_name">Pratica</property>
        <property name="saas_user">batch_user</property>
    </application>
    <processing>
        <template type="Name">TemplateProva</template>
        <processmode>asynchronous</processmode>
        <channel>save</channel>
        <modus>central</modus>
        <editor>false</editor>
    </processing>
    <standarddata>
        <data>
            <object uniqueid="1" name="Pratica" boid="e90737aa-8785-4cbe-ba24-d7c479206872">
                <property name="ClienteCap" propid="eef76da7-e5e0-44d9-a1aa-e14621d2a993">10145</property>
                <property name="ClienteIndirizzo" propid="6b214298-61d4-4f42-ae25-9279f1db7e8f">Via Roma 10</property>
                <property name="NomeFileOutput" propid="6b1aa407-3ec8-4668-9095-da8c100ea3a1">NomeFileProva2225</property>
            </object>
        </data>
    </standarddata>
</startup>

output2.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<startup tenantid="edf81f6b-b223-432c-8ce8-38cbd38c76dc">
    <application sysid="cb9121ea-a82b-46ae-9521-f4563a51c5c0">
        <property type="Ws" name="module_name">Pratica</property>
        <property name="saas_user">batch_user</property>
    </application>
    <processing>
        <template type="Name">TemplateProva</template>
        <processmode>asynchronous</processmode>
        <channel>save</channel>
        <modus>central</modus>
        <editor>false</editor>
    </processing>
    <standarddata>
        <data>
            <object uniqueid="1" name="Pratica" boid="e90737aa-8785-4cbe-ba24-d7c479206872">
                <property name="ClienteCap" propid="eef76da7-e5e0-44d9-a1aa-e14621d2a993">10146</property>
                <property name="ClienteIndirizzo" propid="6b214298-61d4-4f42-ae25-9279f1db7e8f">Via Roma 11</property>
                <property name="NomeFileOutput" propid="6b1aa407-3ec8-4668-9095-da8c100ea3a1">NomeFileProva2226</property>
            </object>
        </data>
    </standarddata>
</startup>

Answer 1 · 2025-11-05 09:25:59Z

Easy with XSLT 3.0 (or 2.0) with xsl:result-document to generate several result documents. Are you using an XSLT 2 or 3 processor? Easy these days on lots of platform with SaxonCHE available as a Python package for pip, Saxon HE Java, Saxon HE .NET, SaxonJS for the browser or Node.js.

The positional grouping example 2 at https://martin-honnen.github.io/cheerpj3-saxonhe12-fiddle/index-latest-cheerp-test.html creates several result documents, try to adapt that.

Answer 2 · 2025-11-05 10:23:55Z

michael.hor257k

• modified Nov 5 at 13:33

Equally easy with an XSLT 1.0 processor such as libxslt that supports the exsl:document extension element or XSLT 1.1.

Does your input really have duplicate values in the uniqueid attribute of object?

Answer 3 · 2025-11-05 12:15:39Z

In XSLT 3.0 you want something like

<xsl:mode on-no-match="shallow-copy"/>

<xsl:template match="/">
  <xsl:for-each select="//object">
    <xsl:result-document href="{position()}.xml">
      <xsl:apply-templates select="/*">
        <xsl:with-param name="object" select="." tunnel="yes"/>
      <xsl:apply-templates>
    </xsl:result-document>
  </xsl:for-each>
</xsl:template>

<xsl:template match="object">
  <xsl:param name="object" tunnel="yes"/>
  <xsl:if test="$object is .">
    <xsl:next-match/>
  </xsl:if>
</xsl:template>

Not tested.

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Split single XML document into multiple XML documents

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Split single XML document into multiple XML documents

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