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AvoidExclaimOperator.md

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description Avoid exclaim operator
ms.custom PSSA v1.21.0
ms.date 06/14/2023
ms.topic reference
title AvoidExclaimOperator

AvoidExclaimOperator

Severity Level: Warning

Description

The negation operator ! should not be used for readability purposes. Use -not instead.

Note: This rule is not enabled by default. The user needs to enable it through settings.

How to Fix

Example

Wrong：

$MyVar = !$true

Correct:

$MyVar = -not $true

Configuration

Rules = @{
    PSAvoidExclaimOperator  = @{
        Enable = $true
    }
}

Parameters

Enable: bool (Default value is $false)

Enable or disable the rule during ScriptAnalyzer invocation.