Powershell

Sometimes, scripts interactively ask for credentials, or passwords. Always be aware that the script author can get to the plain text of all entered...

When PowerShell auto-encrypts a secure string, it uses your identity as secret. Only you can decrypt the secure string. What if you want to encrypt...

In the previous script we showed how you can save a credential object in encrypted form to disk. A similar approach just saves the secret password...

For unattended scripts, it is generally unsafe and not recommended to hard-code secret passwords into a script. As an alternative, you could ask for...

For scripts running unattended, you can create login credentials from code. This requires the secret password to be saved as clear text in a script...

Let’s assume you need to run a script every day that requires credentials. A safe way of storing credentials is to save them encrypted in a...

In the previous tip we illustrated how you can use Select-String to find lines in raw text containing a specific word. It took some effort to...

In the previous tip we explained how you can use Select-String and a regular expression to extract valuable information from raw text results: PS...

Sometimes, you may want to extract valuable information from pure text results. One easy way is the use of Select-String. This example extracts only...

In the previous tip you learned how you can use Show-Command to create simple UIs for text-based commands: #requires -Version 3.0 function...

Function and cmdlet parameters basically are the technique how PowerShell creates „user interfaces“. These text-based interfaces can...

PowerShell can add value to existing commands such as robocopy. Take a look at the below function--it uses robocopy to copy files, and adds the...

When you select code in the PowerShell ISE and copy it to the clipboard, it is copied in RTF format and preserves all color coding and font...

While it is recommended to use the modern WPF technology to create PowerShell user interfaces, you might still want to occasionally use the older...

When a PowerShell script ends, you can run the command “Exit” and submit a numeric value. This has been good practice in the Windows...

If you run PowerShell on Linux, you can combine Linux and PowerShell commands. To take the output of a Linux command and assign it to a PowerShell...

Test-Path can check whether a file or folder exists. If you add -PathType and specify Leaf (for files) or Container (for folders), the result can be...

Sometimes, you’d like to use different units of measurements. The total system memory is reported in bytes, for example. Here are some...

You can use New-TimeSpan to define “amounts” of time, and then add or subtract them from dates. Here is an example: $1Day = New-TimeSpan...

Sometimes, a PowerShell script needs to wait for external processes to finish. Here is what some users do: $processNameToWaitForExit =...

If you have set up a PIN to log into your computer, PowerShell remoting against your own machine may fail with a weird error message: PS C:\>...

If you use PowerShell remoting to receive information from remote machines, you can use fan-out simply by specifying more than one computer name....

Use Group-Object to group objects based on shared property values, but don’t forget to use –NoElement parameter to discard the actual objects and...