PowerTip: Get Unique Numbers from Array

Doctor Scripto

Dr Scripto

Summary: Learn how to get unique numbers from an array.

Hey, Scripting Guy! Question How can I use Windows PowerShell to return only the numbers that are unique in an array?

Hey, Scripting Guy! Answer Sort the array of numbers, then pipe the output to the Get-Unique cmdlet, for example:

$a = 1,2,7,6,4,3,3,2,9

$a | sort | Get-Unique

Note  Sort is an alias for the Sort-Object cmdlet.

Doctor Scripto
Dr Scripto

Scripter, PowerShell, vbScript, BAT, CMD

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