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Null Checks in Powershell

Patrick Gruenauer takes us through null checking in Powershell:

Null is null. Dividing by zero is not allowed, say the mathematicians. What about null in PowerShell? Is null equal empty? What is $null? Why a method IsNullOrEmpty? In this blog post I will shed some on this and provide you with some examples to understand the differences between null and null or empty.

Read on for the full story.