Clear-Variable - PowerShell 1.0
Microsoft Windows PowerShell is a command-line shell and scripting tool based on the Microsoft .NET Framework. It is designed for system administrators, engineers and developers to control and automate the administration of Windows and applications.
More than hundred command-line tools (so called "cmdlets") can be used to perform system administration tasks and Windows Management Instrumentation (WMI). These cmdlets are easy to use, with standard naming conventions and common parameters, and standard tools for piping, sorting, filtering, and formatting data and objects.
Clear-Variable
Description
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Usage
Options
-name string
The name(s) of the variable to be cleared, required.
Wildcards are permitted.
-include string[]
Clear only the specified items, wildcards allowed e.g. "ora*"
-exclude string[]
Omit the specified items, wildcards allowed e.g. "*ms*"
-scope string
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, type "get-help about_scope".
-force SwitchParameter
Override restrictions that prevent the command from succeeding, apart
from security settings. e.g. Force will create file path directories
or override a files read-only attribute, but will not change file permissions.
-passThru
Pass the object created by Clear-Variable through the pipeline.
(By default this switch is not set)
-whatIf
Describe what would happen if you executed the command without actually
executing the command.
-confirm
Prompt for confirmation before executing the command.
CommonParameters:
-Verbose,-Debug,-ErrorAction,-ErrorVariable,-OutVariable.
Example(s)
Clear a local variable:
PS C:\>clear-variable -name ss64
Clear a global variable:
PS C:\>clear-variable ss64 -global
Clearing a variable in a child scope (e.g. via the invoke operator: &{....} ) will not clear the variables value in the parent scope.