NgSysV2-10.2: PowerShell Scripting essentials

This post series is indexed at NgateSystems.com. You'll find a super-useful keyword search facility there too. Last reviewed: Apr'26 Introduction The concept of "scripting" for PowerShell terminal session procedures was introduced in Post 4.3 without any attempt to describe the language's syntax. This post still doesn't fully cover the subject, but here are the essentials, plus one or two "extras" I've found invaluable. Variables, Arrays and Operators A variable in PowerShell is a named container that holds a value, such as a string, number, array or object. PowerShell variables are dynamically typed, meaning you don't need to declare a variable's data type when assigning a value; it is determined by the assigned value. But note that once assigned, types are strongly enforced. Variable names in PowerShell are introduced with a $ symbol. Variable names are not case sensitive, so, for instance, $MyVariable and $myvariable refer to the same variable. Operators Arithmetical — For mathemati