Deletes a variable and its value.
Syntax
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Remove-Variable [-Name] <string[]> [-Exclude <string[]>] [-Force] [-Include <string[]>] [-Scope <string>] [-Confirm] [-WhatIf] [<CommonParameters>] |
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Description
The Remove-Variable cmdlet deletes a variable and its value from the scope in which it is defined, such as the current session. You cannot use this cmdlet to delete variables that are set as constants or those that are owned by the system.
Parameters
-Exclude <string[]>
Omits the specified items. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as "s*". Wildcards are permitted.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
-Force
Allows the cmdlet to remove a variable even if it is read-only. Even using the Force parameter, the cmdlet cannot remove a constant.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
-Include <string[]>
Deletes only the specified items. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as "s*". Wildcards are permitted.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
-Name <string[]>
Specifies the name of the variable to be removed. The parameter name ("Name") is optional.
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Required? |
true |
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Position? |
1 |
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Default Value |
none |
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Accept Pipeline Input? |
true (ByPropertyName) |
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Accept Wildcard Characters? |
false |
-Scope <string>
Specifies the scope in which this alias is valid. Valid values are "Global", "Local", or "Script", or a number relative to the current scope (0 through the number of scopes, where 0 is the current scope and 1 is its parent). "Local" is the default. For more information, see about_Scopes.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
-Confirm
Prompts you for confirmation before executing the command.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
-WhatIf
Describes what would happen if you executed the command without actually executing the command.
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Required? |
false |
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Position? |
named |
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Default Value |
none |
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Accept Pipeline Input? |
false |
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Accept Wildcard Characters? |
false |
<CommonParameters>
This command supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, OutBuffer, OutVariable, WarningAction, and WarningVariable. For more information, see about_CommonParameters.
Inputs and Outputs
The input type is the type of the objects that you can pipe to the cmdlet. The return type is the type of the objects that the cmdlet returns.
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Inputs |
System.Management.Automation.PSVariable You can pipe a variable object to Remove-Variable. |
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Outputs |
None This cmdlet does not return any output. |
Notes
Changes affect only the current scope, such as a session. To delete a variable from all sessions, add a Remove-Variable command to your Windows PowerShell profile.
You can also refer to RemoveVariable by its built-in alias, "rv". For more information, see about_Aliases.
Example 1
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C:\PS>remove-variable Smp |
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Description
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This command deletes the $Smp variable.