Скачать или смотреть Merging Arrays in PowerShell: A Step-by-Step Guide to Create New Objects

Discover how to effectively merge multiple arrays in PowerShell into a unified structure. Learn to create new objects with combined properties for better data management.
---
This video is based on the question https://stackoverflow.com/q/68130065/ asked by the user 'JW1990' ( https://stackoverflow.com/u/12584562/ ) and on the answer https://stackoverflow.com/a/68130165/ provided by the user 'Mathias R. Jessen' ( https://stackoverflow.com/u/712649/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Powershell: Adding an Array as a member of another array

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Introduction: The Challenge of Merging Arrays in PowerShell

PowerShell is a powerful scripting language that simplifies automating tasks within the Windows environment. One common challenge that users face is merging multiple arrays into a single structure while maintaining their relationship. If you've ever found yourself struggling to combine values from different arrays, you're not alone.

The Problem at Hand

For instance, consider the following three arrays:

Array1 consists of dates and corresponding values.

Array2 and Array3 include additional values that we want to add to each entry in Array1.

Your goal is to create a new array that merges these values side by side, resulting in a more comprehensive data object. The final output should resemble:

[[See Video to Reveal this Text or Code Snippet]]

This guide will guide you through the process of achieving this merging operation effectively in PowerShell.

Solution: Creating New Objects from Multiple Arrays

The key to solving this issue is not to add values from Array2 and Array3 to the bottom of Array1 but rather to create a new array consisting of new objects that gather property values from all three source arrays. Here’s how you can do it step by step:

Step 1: Understand the Structure of Your Arrays

Before you start merging, you need to ensure that the arrays you wish to combine are of the same length. This is crucial, as each index needs to correspond correctly.

Step 2: Utilize a Custom Object

In PowerShell, you can create new objects using a hashtable that can be easily cast to [pscustomobject]. This method allows for flexible data handling and better organization.

Step 3: Write the Loop

Now, we will implement a for loop to iterate through the entries of the arrays. Here’s the code snippet you’ll need to run:

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Execute the Code

Running the above loop will create new objects that include all the specified properties—Date, Value, Value2, and Value3. Each entry in Array1 will be effectively merged with the corresponding values from Array2 and Array3.

Conclusion: Making Data Management Easier

By following these steps, you can easily merge arrays in PowerShell and create structured data objects that enhance your ability to manage and analyze information. This not only saves time but also improves the clarity of your data presentations.

Now that you have learned how to combine arrays into a new format, you can apply these skills to various scenarios in your PowerShell projects. Happy scripting!