[Maza Faka]

ofcoss
Пример:

Код:

@Echo Off

Set nDrive=G:
Set nSerialRight=1234-5678
Set nSerialNew=

For /F "Skip=1 Tokens=2 Delims=:" %%A In ('Vol %nDrive%') Do Set nSerialNew=%%A
Set nSerialNew=%nSerialNew: =%

::Echo %nSerialNew%

If /I Not %nSerialRight%==%nSerialNew% GoTo :EOF