ERROR: Invalid drive specification.

IsNTFS,  Version 1.00
Return 'errorlevel' 0 if the specified drive is NTFS formated

Usage:    ISNTFS  drive:

Note:     Returns 0 if NTFS, 2 if not, 1 if not ready or invalid.

Written by Rob van der Woude
http://www.robvanderwoude.com