Variable commands

The following commands are used to work with variables:

• Clear-Variable
• Get-Variable
• New-Variable
• Remove-Variable
• Set-Variable

When using the variable commands, the $ preceding the variable name is not considered part of the name; $ tells PowerShell what follows is a variable name.

Clear-Variable

The Clear-Variable command removes the value from any existing variable. Clear-Variable does not remove the variable itself. For example, the following example calls Write-Host twice: on the first occasion, it writes the variable value; on the second occasion, it does not write anything:

PS> $temporaryValue = "Some-Value"
PS> Write-Host $temporaryValue -ForegroundColor Green
Some-Value
PS> Clear-Variable temporaryValue
PS> Write-Host $temporaryValue -ForegroundColor Green

Get-Variable

The Get-Variable command provides access to any variable that has been created in the current session as...