Unimplemented Copyit features v1.0:

 x Allow leading blanks in filenames/directories.
 x Trailing blanks are removed?
 Temp directory floppy copy.
 Sort file list by filename, date\time, size.
 Floppy file split.
 Format floppy.
 Add floppy volume label.
 Add timeout for error prompt.
 Autodetect floppy size by testing # of tracks & errors w\ track #,
 Specify floppy size override /f=<n>, n=360\720\1.2\1.44,
 Synchronize files.
    /s1   target -> empty source (copy),
    /s2   target -> empty source (delete),
    /s3   source -> empty target (copy),
    /s4   source -> empty target (delete),

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