Powershell缩短文件路径

function Get-ShortPath($Path)

{

    $code = @'

    [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError=true)]

    public static extern uint GetShortPathName(string longPath,

    StringBuilder shortPath,uint bufferSize);

'@

    $API = Add-Type -MemberDefinition $code -Name Path -UsingNamespace System.Text -PassThru

    $shortBuffer = New-Object Text.StringBuilder ($Path.Length * 2)

    $rv = $API::GetShortPathName( $Path, $shortBuffer, $shortBuffer.Capacity )

    if ($rv -ne 0)

    {

        $shortBuffer.ToString()

    }

    else

    {

        Write-Warning "Path '$path' not found."

    }

}

#测试

PS C:mossfly> md "Powershell 缩短文件路径缩短文件路径缩短文件路径缩短文件路径缩短文件路径"

    目录: C:mossfly

Mode                LastWriteTime     Length Name

----                -------------     ------ ----

d----         2012/3/30     23:10            Powershell 缩短文件路径缩短文件路径缩短文件路径缩短文

                                             件路径缩短文件路径

PS C:mossfly> Get-ShortPath "Powershell 缩短文件路径缩短文件路径缩短文件路径缩短文件路径缩短

文件路径"

POWERS~1

PS C:mossfly> Test-Path POWERS~1

True

PS C:mossfly> cd POWERS~1

PS C:mossflyPowershell 缩短文件路径缩短文件路径缩短文件路径缩短文件路径缩短文件路径>