Learn how to use PowerShell in SharePoint Online from our best PowerShell tutorials.
Ever found yourself needing to quickly list every .pdf or .xlsx file scattered across hundreds of folders on your Windows laptop? PowerShell helps find every file with a particular extension—no matter where it’s hiding. In this tutorial, I will explain how to find all files with extensions using PowerShell with examples. Method 1: Find All Files with a Specific Extension (Single Extension Search) … read more…
Recently, one of my clients wanted to list down old files from a shared drive in their New York office. By using PowerShell, you can identify files older than any date you choose. In this tutorial, I will show you how to find files older than a specific date using PowerShell, along with some examples, such … read more…
As a PowerShell administrator, I mostly worked with the PowerShell Select-String cmdlet. So, I thought to show you 10 real examples of Select-String in PowerShell. Example 1: Basic Text Search in a File The most straightforward use of Select-String in PowerShell is to search for a specific text pattern in a file. This command searches … read more…
In this tutorial, I’ll walk you through multiple methods to concatenate strings in PowerShell’s Write-Host command, from the most basic approaches to advanced techniques. String concatenation in PowerShell, especially when using the Write-Host cmdlet, is something you’ll do almost daily if you’re writing scripts for system administration or automation tasks. As a PowerShell expert with … read more…
When working with strings in PowerShell, I often need to extract characters from the end of a string. You will get this kind of requirement when parsing log files, manipulating file names, processing data from APIs, etc. In this article, I’ll show you several methods to extract a substring from the end of a string … read more…
As a PowerShell administrator, I use the Get-ItemProperty cmdlet a lot. You can use this cmdlet to gather installed software information, access registry values, or retrieve file metadata, etc. In this tutorial, I will explain how to use Get-ItemProperty in PowerShell effectively with real-world examples that I’ve personally used throughout my decade-plus career with PowerShell. … read more…
Recently, I was working on a server cleanup project where I needed to delete thousands of log files that were older than 90 days. These files were taking up valuable disk space, and manually identifying and deleting them would have been incredibly time-consuming. In this tutorial, I’ll show you how to create PowerShell scripts that … read more…
A few weeks before, I developed a Power Apps application for a client that takes data sources as a SharePoint list. There are almost six lists, and each list has more than 20 fields. Due to some permission issues, we had to manually create all the lists and columns on the SharePoint site. So I … read more…
Recently, I was working on a PowerShell script to validate user inputs, and I needed to check if strings contained special characters. This is a common requirement when validating usernames, passwords, or parsing data files. The challenge is that PowerShell treats many special characters differently since they have specific meanings in the language. In this … read more…
In my years of working with PowerShell, I’ve often needed to count the files in a directory quickly. PowerShell offers several efficient ways to count files in a folder. Some methods are simple one-liners, while others offer more advanced filtering options. In this tutorial, I will explain seven practical methods to count files in a … read more…
Recently, I was working on a script where I needed to check if strings began with certain characters. There are various methods available to do this in PowerShell. In this article, I’ll explain various methods for checking if a string starts with specific characters in PowerShell. You can use these techniques in various scenarios, such … read more…
When I first started writing PowerShell scripts over a decade ago, I quickly realized that consistent naming conventions make a huge difference in code readability and maintainability. Whether you’re writing a simple script or building complex modules, following proper naming standards helps you and your team work more efficiently. In this article, I’ll share the … read more…
As a PowerShell developer, I’ve learned that following consistent variable naming conventions is crucial for writing clean, maintainable code. Over my years of PowerShell scripting, I’ve found that proper naming conventions make scripts more readable and easier to debug. In this article, I’ll share the best practices for PowerShell variable naming that I’ve developed through … read more…
While working on PowerShell scripts, you’ll often need to check if a variable contains data before performing operations on it. There are various methods for checking this. In this article, I’ll show you several methods to check if a PowerShell variable is null or empty. Let us check various approaches and see which one works … read more…
