Powershell

Finding Groups of Logged On User

If you’d like to know the group memberships of the currently logged on user (the one that is running a script), you don’t need to query...

Creating Dynamic Variable Content

PowerShell 2+ In the previous tip we introduced variables with read-only dynamic content that updated each time the variable was read. This required...

Creating Dynamic Variable Content

PowerShell 2+ A little-known fact is that you can add variables to PowerShell that automatically update their content. If you need random numbers,...

Create Simple PowerShell Host

PowerShell 2 or better There are sometimes a lot of good reasons why you’d like to run a script by a different host. powershell.exe might be...

Creating PowerShell Web Server

All Versions Here is an example that implements a simple web server with just a few lines of code. When you run this script, you can enter one of...

Changing Password

All versions Here is a simple way how an existing user can change the password for his account. The user must know his old password and does not...

Opening PowerShell for Folder

Any version If you browsed to a folder using File Explorer, and then would like to open a PowerShell with the current folder set to the browsed...

Getting GIT tips online

Here is an example that illustrates how you access a REST API online. The script retrieves GIT tips. GIT is an open-source control system. Even if...

Creating Shortcut Drives

All PowerShell Versions Simply add a new drive to one of the file locations you often visit: # create folder if it does not exist yet $path =...

Colorful Console

PowerShell 5 PowerShell 5.0 on Windows 10 ships with a much-enhanced and colorful PowerShell console. PowerShell 5.0 on other operating systems just...

Finding AD User by SAMAccountName

PowerShell 5 The free Microsoft RSAT tools come with a full-blown ActiveDirectory module, but sometimes simple AD tasks can be mastered with just a...

Finding Nested Object Secrets

PowerShell 2+ Objects can have a nested and complex inner structure, and it can be tiresome to examine properties one by one. Here is a simple...

Checking Success of Command

PowerShell 3+ Often, all you want is suppress errors, and find out whether a given cmdlet worked or not. Here is a very simplistic approach that...

Getting New NTFS Cmdlets

PowerShell 3+ / PowerShellGet In the previous tip we explained PowerShellGet. This module ships with PowerShell 5.0 but is available for download on...

Exporting Modules across the Network

PowerShell 3+ Did you know that you can easily export modules from other computers to your local machine? Assume you don’t have the RSAT tools...

Debugging Other PowerShell Processes

PowerShell 5 Beginning with PowerShell 5.0, the PowerShell ISE can connect to other processes that run a PowerShell runspace, display the source...

Reading NTFS Permissions

PowerShell 2+ NTFS permissions are represented by complex object hierarchies that are hard to read. A much simpler way is to output the structure in...

New Delayed Output in PowerShell 5.0

PowerShell 2+ Let’s do two things. First, have a look at a useful small new function that does DNS resolution. Then, let’s discuss why...

Test-Driving PowerShellGet Module

PowerShell 3+ PowerShell 5.0 ships with a new module called PowerShellGet, and on older PowerShell versions, you can easily download and install...

Type-Based Parameter Binding (Part 2)

PowerShell 2+ In a previous tip we introduced automatic type-based parameter binding. Here is a use case. The function Test-Binding accepts files...

Find All Writeable Object Properties

All Versions .NET objects often have properties that you can read to retrieve information. Some of these properties may actually be writeable, so...

Creating Custom Mandatory Parameters

All Versions While you can declare a parameter as mandatory, this leaves not much control to you. If the user omits the mandatory parameter,...

Use a Shorter Prompt

All Versions By default, PowerShell displays the current path in its input prompt which wastes as lot of space. When you overwrite the...

Doing Things in Parallel

Any version By processing things in parallel rather than sequential, a script can complete much faster. Here is an example that uses background jobs...

More Splitting Fun

In the previous tip, we explained how you can use a regular expression to split strings in groups of a given length. Let’s explore what else...

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