Batch merge XML files

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Batch merge XML files

Author：JIYIK Last Updated：2025/03/20 Views：

This article will first discuss and understand the XML file format. After that, we will discuss merging two or more XML files into one file using batch commands and scripts.

XML File

XML, also known as Extensible Markup Language, is a markup language file format used to store and communicate data. It uses a structured layout to store data. XML files consist of tags and text; tags represent the structure while text represents the data.

A sample XML file is as follows:

<note>
    <heading>Hello World</heading>
    <body>This is a sample XML document</body>
</note>

In the above XML document, <note>, <heading>and <body>are three tags, and Hello World and This is a example XML document are text or data.

The file extension for XML format is .xml.

Use the copy command to copy multiple XML files into a new XML file

We can use the copy command to merge multiple XML files into a new XML file as follows:

copy *.xml new-combine-file.xml

The above copy command takes all the used *.xmlXML files as sources and creates a new XML file new-combine-file.xml by combining the contents of all the XML files .

For example, consider the following three XML files placed in the same folder:

First .xml file:

<note>
<heading>First</heading>
</note>

second.xml file:

<note>
<heading>Second</heading>
</note>

third.xml file:

<note>
<heading>Third</heading>
</note>

After running the command in the command line copy *.xml, new-combine-file.xml, it creates a new file called new-combine-file.xml with the following content:

<note>
<heading>First</heading>
</note>
<note>
<heading>Second</heading>
</note>
<note>
<heading>Third</heading>
</note>

The above content is combined using the above three files (first.xml, second.xml, and third.xml).

We can also combine these files using a batch script. We have to create a batch script file that contains the same copy command.

Use `<root>`the tag to copy multiple XML files into a new XML file

Using batch scripting, we can use a singleThe tag combines multiple XML files into one file. Consider the following batch script file combine-xml-file.bat:

@echo off
echo ^<root^> > new_xml_file.txt
type *.xml >> new_xml_file.txt
echo ^<^/root^> >> new_xml_file.txt
ren new_xml_file.txt new_xml_file.xml

In the above script, the first command @echo offis used to hide all commands in the command prompt. The next line echo ^<root^> > new_xml_file.txtcreates a <root>new file new_xml_file.txt with the text .

type *.xml >> new_xml_file.txtThe command appends all the XML file contents to the new_xml_file.txt file. Next, echo ^<^/root^> >> new_xml_file.txtthe closing tag is appended </root>.

Finally, the new_xml_file.txt new_xml_file.xml command is used to rename the new_xml_file.txt file to new_xml_file.xml.

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