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Set-ItemProperty

JuanPablo Jofre|Last Updated: 11/22/2016
|
3 Contributors

SYNOPSIS

Creates or changes the value of a property of an item.

SYNTAX

propertyValuePathSet (Default)

Set-ItemProperty [-Path] <String[]> [-Name] <String> [-Value] <Object> [-PassThru] [-Force] [-Filter <String>]
 [-Include <String[]>] [-Exclude <String[]>] [-Credential <PSCredential>] [-WhatIf] [-Confirm]
 [-UseTransaction] [<CommonParameters>]

propertyPSObjectPathSet

Set-ItemProperty [-Path] <String[]> -InputObject <PSObject> [-PassThru] [-Force] [-Filter <String>]
 [-Include <String[]>] [-Exclude <String[]>] [-Credential <PSCredential>] [-WhatIf] [-Confirm]
 [-UseTransaction] [<CommonParameters>]

propertyPSObjectLiteralPathSet

Set-ItemProperty -LiteralPath <String[]> -InputObject <PSObject> [-PassThru] [-Force] [-Filter <String>]
 [-Include <String[]>] [-Exclude <String[]>] [-Credential <PSCredential>] [-WhatIf] [-Confirm]
 [-UseTransaction] [<CommonParameters>]

propertyValueLiteralPathSet

Set-ItemProperty -LiteralPath <String[]> [-Name] <String> [-Value] <Object> [-PassThru] [-Force]
 [-Filter <String>] [-Include <String[]>] [-Exclude <String[]>] [-Credential <PSCredential>] [-WhatIf]
 [-Confirm] [-UseTransaction] [<CommonParameters>]

DESCRIPTION

The Set-ItemProperty cmdlet changes the value of the property of the specified item. You can use the cmdlet to establish or change the properties of items. For example, you can use Set-ItemProperty to set the value of the IsReadOnly property of a file object to true.

You also use Set-ItemProperty to create and change registry values and data. For example, you can add a new registry entry to a key and establish or change its value.

EXAMPLES

-------------------------- EXAMPLE 1 --------------------------

PS C:\>set-itemproperty -path c:\GroupFiles\final.doc -name IsReadOnly -value $true

This command sets the value of the IsReadOnly property of the final.doc file to true.

The command uses the Set-ItemProperty cmdlet to change the value of the property of the final.doc file. It uses the Path parameter to specify the file. It uses the Name parameter to specify the name of the property and the Value parameter to specify the new value.

The $true automatic variable represents a value of TRUE. For more information, see about_Automatic_Variables.

The file is a System.IO.FileInfo object and IsReadOnly is just one of its properties. To see all of the properties and methods of a FileInfo object, pipe the file to the Get-Member cmdlet. For example, "final.doc | get-member".

-------------------------- EXAMPLE 2 --------------------------

PS C:\>set-itemproperty -path HKLM:\Software\MyCompany -name NoOfEmployees -value 823
PS C:\>get-itemproperty -path HKLM:\Software\MyCompany

PSPath        : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software\mycompany
PSParentPath  : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software
PSChildName   : mycompany
PSDrive       : HKLM
PSProvider    : Microsoft.PowerShell.Core\Registry
NoOfLocations : 2
NoOfEmployees : 823
PS C:\>set-itemproperty -path HKLM:\Software\MyCompany -name NoOfEmployees -value 824
PS C:\>get-itemproperty -path HKLM:\Software\MyCompany
PSPath        : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software\mycompany
PSParentPath  : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software
PSChildName   : mycompany
PSDrive       : HKLM
PSProvider    : Microsoft.PowerShell.Core\Registry
NoOfLocations : 2
NoOfEmployees : 824

This example shows how to use Set-ItemProperty to create a new registry entry and to assign a value to the entry. It creates the NoOfEmployees entry in the MyCompany key in HKLM\Software key and sets its value to 823.

Because registry entries are considered to be properties of the registry keys (which are items), you use Set-ItemProperty to create registry entries, and to establish and change their values.

The first command uses the Set-ItemProperty cmdlet to create the registry entry. It uses the Path parameter to specify the path to the HKLM: drive and the Software\MyCompany key. It uses the Name parameter to specify the entry name and the Value parameter to specify a value.

The second command uses the Get-ItemProperty cmdlet to see the new registry entry. If you use the Get-Item or Get-ChildItem cmdlets, the entries do not appear because they are properties of a key, not items or child items.

The third command changes the value of the NoOfEmployees entry to 824.

You can also use the New-ItemProperty cmdlet to create the registry entry and its value and then use Set-ItemProperty to change the value.

For more information about the HKLM: drive, type "get-help get-psdrive". For more information about using Windows PowerShell to manage the registry, type "get-help registry".

-------------------------- EXAMPLE 3 --------------------------

PS C:\>get-childitem weekly.txt | set-itemproperty -name IsReadOnly -value $true

These commands show how to use a pipeline operator (|) to send an item to Set-ItemProperty.

The first part of the command uses the Get-ChildItem cmdlet to get an object that represents the Weekly.txt file. The command uses a pipeline operator to send the file object to Set-ItemProperty. The Set-ItemProperty command uses the Name and Value parameters to specify the property and its new value.

This command is equivalent to using the InputObject parameter to specify the object that Get-ChildItem gets.

PARAMETERS

-Credential

Specifies a user account that has permission to perform this action. The default is the current user.

Type a user name, such as "User01" or "Domain01\User01", or enter a PSCredential object, such as one generated by the Get-Credential cmdlet. If you type a user name, you will be prompted for a password.

This parameter is not supported by any providers installed with Windows PowerShell.

Type: PSCredential
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: Current user
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Exclude

Specifies those items upon which the cmdlet is not to act, and includes all others.

Type: String[]
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Filter

Specifies a filter in the provider's format or language. The value of this parameter qualifies the Path parameter. The syntax of the filter, including the use of wildcards, depends on the provider. Filters are more efficient than other parameters, because the provider applies them when retrieving the objects rather than having Windows PowerShell filter the objects after they are retrieved.

Type: String
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: True

-Force

Allows the cmdlet to set a property on items that cannot otherwise be accessed by the user. Implementation varies from provider to provider. For more information, see about_Providers.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-Include

Specifies only those items upon which the cmdlet will act, excluding all others.

Type: String[]
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-InputObject

Specifies the object that has the properties that you want to change. Enter a variable that contains the object or a command that gets the object.

Type: PSObject
Parameter Sets: propertyPSObjectPathSet, propertyPSObjectLiteralPathSet
Aliases: 

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName, ByValue)
Accept wildcard characters: False

-LiteralPath

Specifies a path to the item property. The value of LiteralPath is used exactly as it is typed. No characters are interpreted as wildcards. If the path includes escape characters, enclose it in single quotation marks. Single quotation marks tell Windows PowerShell not to interpret any characters as escape sequences.

Type: String[]
Parameter Sets: propertyPSObjectLiteralPathSet, propertyValueLiteralPathSet
Aliases: PSPath

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Name

Specifies the name of the property.

Type: String
Parameter Sets: propertyValuePathSet, propertyValueLiteralPathSet
Aliases: PSProperty

Required: True
Position: 2
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-PassThru

Returns an object representing the item property. By default, this cmdlet does not generate any output.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-Path

Specifies the path to the items with the property to be set.

Type: String[]
Parameter Sets: propertyValuePathSet, propertyPSObjectPathSet
Aliases: 

Required: True
Position: 1
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Value

Specifies the value of the property.

Type: Object
Parameter Sets: propertyValuePathSet, propertyValueLiteralPathSet
Aliases: 

Required: True
Position: 3
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Confirm

Prompts you for confirmation before running the cmdlet.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: cf

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: wi

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-UseTransaction

Includes the command in the active transaction. This parameter is valid only when a transaction is in progress. For more information, see Includes the command in the active transaction. This parameter is valid only when a transaction is in progress. For more information, see

Type: SwitchParameter
Parameter Sets: (All)
Aliases: usetx

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 (http://go.microsoft.com/fwlink/?LinkID=113216).

INPUTS

System.Management.Automation.PSObject

You can pipe objects to Set-ItemProperty.

OUTPUTS

None or System.Management.Automation.PSCustomObject

When you use the PassThru parameter, Set-ItemProperty generates a PSCustomObject object that represents the item that was changed and its new property value. Otherwise, this cmdlet does not generate any output.

NOTES

  • The Set-ItemProperty cmdlet is designed to work with the data exposed by any provider. To list the providers available in your session, type "Get-PSProvider". For more information, see about_Providers.

*

Clear-ItemProperty

Copy-ItemProperty

Get-ItemProperty

Move-ItemProperty

New-ItemProperty

Remove-ItemProperty

Rename-ItemProperty

about_Providers

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