Скачать или смотреть Optimize the Get-ComputerInfo Command for Better Performance in PowerShell

Learn how to enhance the performance of the `Get-ComputerInfo` command in PowerShell with effective optimization strategies that reduce execution time and improve coding efficiency.
---
This video is based on the question https://stackoverflow.com/q/75438751/ asked by the user 'Alec' ( https://stackoverflow.com/u/17520206/ ) and on the answer https://stackoverflow.com/a/75438805/ 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: How can I optimize the command Get-ComputerInfo?

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.
---
How to Optimize the Get-ComputerInfo Command for Better Performance in PowerShell

If you work with PowerShell, you might find yourself using the Get-ComputerInfo command frequently to retrieve system information. While this command provides a wealth of information about your computer, it can often be slow because it runs the entire function each time you call it. This guide will guide you through the optimization process, so you can retrieve the data you need without the overhead of repeated function calls.

The Problem

As a PowerShell user, you may have encountered a situation where continually calling Get-ComputerInfo becomes a bottleneck in your scripts. For instance, if you want specific information like the Windows registered owner, BIOS serial number, manufacturer, and model, you might write numerous calls to the command—leading to redundant processing and slower script execution times.

Here’s a sample code snippet demonstrating this issue:

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

In this scenario, the command retrieves the full output every time, which is not efficient. Fortunately, there's a better way to approach this issue.

The Solution

Step 1: Retrieve All Information at Once

Instead of making multiple calls to Get-ComputerInfo, you can call it once and store the entire output in a variable. This way, you can access various properties directly without re-executing the command.

Here's how you can optimize your approach:

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

Step 2: Access Specific Properties

Once you have the output stored in $allInfo, accessing specific pieces of information becomes straightforward. You don’t need to perform string manipulations or cumbersome splits. Instead, you can directly reference the properties you need:

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

Benefits of This Approach

Performance Improvement: You only execute Get-ComputerInfo once, which dramatically reduces the script execution time.

Code Readability: By accessing properties directly, your code becomes cleaner and easier to understand.

Reduced Complexity: This method eliminates the need for string manipulations, reducing potential errors and improving maintainability.

Example of the Optimized Code

Here’s the complete, optimized code based on the suggestions above:

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

Conclusion

By following these optimized strategies for the Get-ComputerInfo command in PowerShell, you can significantly improve the efficiency of your scripts. Instead of running the command multiple times, which incurs unnecessary processing time, retrieve all the needed information in one go and access it directly. This method promotes cleaner code, better performance, and a more enjoyable scripting experience.

By implementing these techniques, you will not only save time but also enhance the overall quality of your PowerShell scripts. Happy scripting!