powertips

The ISE editor in PowerShell 3.0 seems to have an interactive console, but it really isn't. It is just a simulated console. So any command that...

If you'd like to enter long lines of code into the console panel in the new PowerShell 3.0 ISE, you can press SHIFT+ENTER. This will add a line...

To protect you from damages while playing with PowerShell on a productive system, set the ”WhatIf” mode as default:...

Sometimes it becomes necessary to consolidate two or more objects into one. So, how would you combine object properties into one object? In a...

As you may have read, in PowerShell 3.0, there is a new family of cmdlets designed to improve the way we work with WMI. The powerful Get-WmiObject...

In PowerShell 3.0, Measure-Object can be applied not just to numeric data but to anything that is comparable. In PowerShell 2.0, this line would...

In a previous tip we explained that in PowerShell 3.0, every object has a Count property now. This even includes null values: PS> $null.Count 0...

In a previous tip, we explained how you can add a custom data type to your own custom objects that you might want to return from a function, and...

Finally, the property Count is available on all objects in PowerShell 3.0. This solves a great problem because it allows you to count results even...

In a previous tip we showed how you can remove all empty properties from an object and also sort its properties alphabetically. The code required...

Objects hold a lot of information and often, properties can also have null values. To reduce an object to only those properties that actually have a...

When you create functions that return custom objects, there is no way for you to declare which functions should display by default. PowerShell...

If you'd like to maintain a log file with all the commands you entered interactively - in the PowerShell console as well as in the ISE editor -...

In PowerShell 3.0, you can cast a hash table to a PSCustomObject type to easily generate your own objects: $content = @{ Name="Weltner"...

To prevent a function to be redefined or overwritten, you can write-protect it: function Test-Function { 'Hello World!' } Set-Item -Path...

There are numerous ways how you can create new objects that you may use to return results from your functions. One way is using JSON, a very simple...

You can enable the -WhatIf and -Confirm parameters in your functions too, and control which parts of your code get skipped if the user specifies...

In a previous tip you learned that assigning an enumeration data type to a function parameter automatically enables argument completion in...

In a previous tip you learned how decorating function parameters with a ValidateSet attribute would allow the ISE editor to display intelliSense...

To take advantage of the new PowerShell 3.0 argument completion, make sure you're adding ValidateSet attribute to your function parameters...

In PowerShell 3.0, while you still can use the powerful Get-WmiObject cmdlet, it is slowly becoming replaced by the family of CIM cmdlets. If you...

In times where cmdlets can originate from all kinds of modules, it sometimes becomes important to find out which cmdlets are truly built into...

To get rich IntelliSense in PowerShell ISE 3.0, you should start adding the OutputType attribute to your functions. If you do, then ISE is able to...

Here is a simple line that tells you whether PowerShell runs in MTA- or STA-mode: [Runspace]::DefaultRunspace.ApartmentState -eq 'STA' This...