Select-Unique
SYNOPSIS
Select unique objects based on specified properties.
SYNTAX
Select-Unique [-Property] <String[]> -InputObject <Object> [-AsHashtable] [-NoElement] [<CommonParameters>]
DESCRIPTION
This function filters a collection of objects to return only unique objects based on the specified properties. It supports output as a hashtable and allows excluding elements from the output.
EXAMPLES
EXAMPLE 1
Returns unique objects from `$data` based on the "Name" property.
EXAMPLE 2
Returns a hashtable of unique objects from `$data` based on the "Name" and "ID" properties.
EXAMPLE 3
Returns a hashtable of unique keys without elements.
PARAMETERS
-Property
The property or properties to use for determining uniqueness.
Type: String[]
Parameter Sets: (All)
Aliases:
Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-InputObject
The input objects to be filtered for uniqueness. Accepts pipeline input.
Type: Object
Parameter Sets: (All)
Aliases:
Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByValue)
Accept wildcard characters: False
-AsHashtable
A switch to return the results as a hashtable instead of objects.
Type: SwitchParameter
Parameter Sets: (All)
Aliases:
Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False
-NoElement
A switch to exclude elements from the hashtable when using the `AsHashtable` parameter.
Type: SwitchParameter
Parameter Sets: (All)
Aliases:
Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False
CommonParameters
This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.