在DRDOS里有一个XDEL的外部命令,可以达到你的目的。
XDEL R1.42 Extended file delete
Copyright (c) 1987,1988,1990 Digital Research Inc. All rights reserved.
XDEL filename...
@ the filename that follows is the name of a file list
d: drive which xdel is to search
path directory where search is to begin
filename.ext file to be deleted (wildcards allowed)
/D remove empty subdirectories
/N delete specified files with no warning (careful!)
/O overwrite before deleting - file contents PERMANENTLY LOST
/P prompt before deleting each file
/R delete read-only files
/S delete files in subdirectories
Multiple files may be specified on the command line.