Powershell - Get-Unique Cmdlet

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Cmdlet

Get-Unique cmdlet can be used to get the unique objects from a sorted list of objects.

In this example, we're see the Get-Unique cmdlet in action.

Step 1

In this example, we're set list of strings in a variable.

Type the following command in PowerShell ISE Console

$list = "one","two","two","three","four","five"

Step 2

In this example, we're printing the original list of strings.

Type the following command in PowerShell ISE Console

$list

Output

You can see following output in PowerShell console.

one
two
two
three
four
five

Step 3

In this example, we're sorting the list and then get the unique values.

Type the following command in PowerShell ISE Console

$list | sort | get-unique

Output

You can see following output in PowerShell console.

five
four
one
three
two