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What does a question mark mean in PowerShell commands?
A few weeks ago, I received an email message from someone who is relatively new to PowerShell. They had followed some of the techniques that I outlined in some of my other articles and mimicked my...
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PowerShell concatenation: How to use this powerful feature
In today’s world, data is the most powerful asset for every organization. But this data is not always structured the way we want, especially for analysis. Hence, it becomes necessary to concatenate or...
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PowerShell regular expressions: Making string evaluation easier
I have been working on a couple of PowerShell projects recently that have involved some complex string manipulations. In doing so, one of the things that I have found that has made string evaluation...
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Working with dates in PowerShell revisited
A few years ago, I wrote an article here at TechGenix in which I talked about performing date-related functions in PowerShell scripts. For those who might have missed that original article, I...
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Reading and extracting values from XML files with PowerShell
XML is used in everything from configuration files to Microsoft Office documents. Not surprisingly, PowerShell is also XML aware. By using PowerShell, you can extract values from an XML file, and if...
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Working with CSV files in PowerShell
One of the things that I have always liked about PowerShell is that it allows you to extract data from various types of objects. In the past, I have often used PowerShell to examine system services and...
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Which type of PowerShell loop should you be using?
Loops are very commonly used in PowerShell scripts, and the vast majority of the scripts that I have written over the years have included at least one loop. Even so, looping isn’t quite as...
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PowerShell errors are easy to suppress — but should you?
There is an old saying that if you ignore something long enough, it will eventually go away. Admittedly, this saying isn’t always the best advice in day-to-day life, but it does have its place when it...
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Reading a Windows INI file into PowerShell
Lately, I have been finding that it can be really useful to read the contents of an INI file into PowerShell. Not only does Windows and some applications store some of its configuration data in INI...
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Building PowerShell hash tables
Hash tables are easily one of the most useful data structures that you can create in PowerShell. A hash table is essentially a list of key/value pairs. These tables have countless uses. I often use...
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How malicious PowerShell scripts evade detection
Over the last few years, PowerShell has increasingly become a favorite tool among those who have malicious intent. After all, PowerShell is installed natively as a part of Windows, it has the ability...
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Reading text files with PowerShell and Linux bash shell
If you are a Linux administrator, you may be familiar with tail, head, and grep commands when reading text files, and they are convenient when looking at log files. (If you are not familiar, we are...
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Using JSON with PowerShell: A guide for IT professionals
If you are an IT professional and part of your activities is to manage Microsoft Azure, coding scripts, or Kubernetes, then JSON and YAML files should be part of your daily routine. In this article, we...
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PowerShell Gallery: A great free resource for finding scripts
As someone who writes numerous articles about PowerShell, I have gotten in the habit of creating all of my PowerShell scripts from scratch. It doesn’t have to be that way, though. There are numerous...
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Overview of PowerShell versions and how to check what version you have?
PowerShell is one of the most popular scripting languages and it is installed by default on all Windows operating systems starting from Windows 7 SP1. It consists of a Command Line Interface (CLI) and...
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Setting the style in PowerShell 7.2
One of the most welcome new features that Microsoft has built into PowerShell 7.2 is support for ANSI escape sequences. If you aren’t familiar with ANSI escape sequences, they are an industry standard...
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Creating a New Team using PowerShell
In a recent article on this site, I explained that PowerShell is a better overall tool for the bulk management of Microsoft Teams then the GUI is. While the GUI interface does work, it really doesn’t...
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Getting Started with PowerShell for Microsoft Teams
Although you can manage Microsoft Teams through the Teams Admin Center, GUI based management tools tend not to scale very well. If you need to manage Teams in bulk, then using PowerShell will likely be...
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Scripting help from the Windows Admin Center
While it may be tempting to think of the Windows Admin Center as little more than an alternative to the Server Manager, the Windows Admin Center includes some helpful features that often go unnoticed....
View ArticleDo You Like Your PowerShell Wet or Dry?
It’s really interesting to see how PowerShell scripting has evolved over the years. Early on, PowerShell scripts tended to be simplistic in nature, and focused on performing a single repeatable task....
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