Chapter 3. Operators and expressions

This chapter covers

  • Arithmetic operators
  • Assignment operators
  • Comparison operators
  • Pattern matching and text manipulation
  • Logical and bitwise operators

Operators, Mr. Rico! Millions of them!

Robert A. Heinlein, Starship Troopers (paraphrased)

The goal of PowerShell is to enable you to get real work done. As in any language, expressions consist of operators and objects. The operators perform their operations on objects, giving you (hopefully) useful results. This chapter covers the set of basic operators in PowerShell and how they’re used in expressions. Without operators PowerShell can’t perform comparisons, arithmetic, logical operations, or a host of other activities. The operators we’re going ...

Get Windows PowerShell in Action, Third Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.