A MSDOS batch file for Windows 10 to mirror copy LMS music library from one USB disk to another. Warning Advanced users only. Using mirror copy programs in the wrong direction can quickly delete files. Use at your own risk! I use three NTFS formatted USB drives for my LMS music library. I required a method of ensuring each drive was an exact mirror copy. Windows 10 has robocopy which is a great program for creating and maintaining mirror copies.
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