The mclasserase command is used to wipe memory cards by
overwriting it three times: first with 0xff, then with
0x00, then with 0xff again. The command uses the following
syntax:
mclasserase[-d] msdosdrive
MS-DOS drive is optional, if none is specified, use A:. If more than
one drive are specified, all but the last are ignored.
Mclasserase accepts the following command line options:
dStop after each erase cycle, for testing purposes
pNot yet implemented
Mclasserase returns 0 on success or -1 on failure.