@cScript.EXE //noLogo "%~f0?.WSF"  //job:info %~nx0 %*
@exit /b 0

   <job id="info">
      <script language="VBScript">
        if WScript.Arguments.Count < 2 then
            WScript.Echo "No drive letter passed"
            WScript.Echo "Usage: "
            WScript.Echo "  " & WScript.Arguments.Item(0) & " {LETTER|*}"
            WScript.Echo "  * will eject all cd drives"
            WScript.Quit 1
        end if
        driveletter = WScript.Arguments.Item(1):
        driveletter = mid(driveletter,1,1):

        Public Function ejectDrive (drvLtr)
            Set objApp = CreateObject( "Shell.Application" ):
            Set objF=objApp.NameSpace(&H11&):
            'WScript.Echo(objF.Items().Count):
            set MyComp = objF.Items():
            for each item in objF.Items() :
                iName = objF.GetDetailsOf (item,0):
                iType = objF.GetDetailsOf (item,1):
                iLabels = split (iName , "(" ) :
                iLabel = iLabels(1):

                if Ucase(drvLtr & ":)") = iLabel and iType = "CD Drive" then
                    set verbs=item.Verbs():
                    set verb=verbs.Item(verbs.Count-4):
                    verb.DoIt():
                    item.InvokeVerb replace(verb,"&","") :
                    ejectDrive = 1:
                    exit function:

                end if
            next
            ejectDrive = 2:
        End Function

        Public Function ejectAll ()
            Set objApp = CreateObject( "Shell.Application" ):

            Set objF=objApp.NameSpace(&H11&):
            'WScript.Echo(objF.Items().Count):
            set MyComp = objF.Items():
            for each item in objF.Items() :
                iType = objF.GetDetailsOf (item,1):
                if  iType = "CD Drive" then
                    set verbs=item.Verbs():
                    set verb=verbs.Item(verbs.Count-4):
                    verb.DoIt():
                    item.InvokeVerb replace(verb,"&","") :
                end if

            next
        End Function
        if driveletter = "*" then
            call ejectAll
            WScript.Quit 0
        end if
        result = ejectDrive (driveletter):

        if result = 2 then
            WScript.Echo "no cd drive found with letter " & driveletter & ":"
            WScript.Quit 2
        end if

      </script>
  </job>