Powershell小技巧之删除不规则字符

function Get-LegalPathName($Path)
{
 $illegalChars = [System.IO.Path]::GetInvalidFileNameChars()
 
 foreach($illegalChar in $illegalChars)
 { $Path = $Path.Replace($illegalChar, '_') }
 
 $Path
}

PS> Get-LegalPathName 'some:"illegal"\pathchars>.txt'
some__illegal__path_chars_.txt