Скачать или смотреть How to Easily Add Lines to XML Using PowerShell

Learn how to quickly insert lines into XML files with PowerShell, using a step-by-step guide focused on adding elements after a specified node.
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This video is based on the question https://stackoverflow.com/q/76855028/ asked by the user 'mhughey' ( https://stackoverflow.com/u/21673029/ ) and on the answer https://stackoverflow.com/a/76855213/ provided by the user 'jdweng' ( https://stackoverflow.com/u/5015238/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solve the XML Editing Dilemma Using PowerShell

When working with XML files in PowerShell, especially if you are new to the scripting language, several common tasks can seem daunting. One such task is adding new lines or elements to an XML structure. This guide will guide you through the process of adding a new line after a specific element in an XML document using PowerShell.

The Problem at Hand

Imagine you have the following XML structure saved within a file named Synergy.xml:

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You want to add a new line called <Cabinet> containing the text MEMBER between the <DocName> and <Institution> elements, making your XML look like this:

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The Solution: Using Xml.Linq in PowerShell

Step 1: Load the Required Assemblies

Before you begin, ensure that you call the appropriate assemblies in your PowerShell script. Here’s how to do it:

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Step 2: Variables for File Paths

Set up the input and output filenames where your original XML file and modified XML file will be stored.

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Step 3: Load the XML Document

Now, load the existing XML document using the XDocument class from the System.Xml.Linq namespace.

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Step 4: Find the Desired XElement

Next, identify the <DocName> element where you want to insert your new line.

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Step 5: Create the New XElement

Now you’ll create a new element called <Cabinet>.

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Step 6: Insert the New XElement

With the new element created, you can now insert it immediately after the <DocName> element.

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Step 7: Save the Updated XML Document

Finally, save the modified XML document to the specified output file.

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Conclusion

By following these steps, you have successfully inserted a new line into your XML structure. Using PowerShell to manipulate XML files can save you a lot of time and effort, especially when dealing with large data sets or when you need to automate this process. With practice, this process will become easier, and you will be able to handle various XML editing tasks efficiently.

Happy scripting! If you have questions or additional problems with XML and PowerShell, feel free to share them in the comments below!