::当前盘符
@echo current pan : %~d0
::当前路径
@echo current path : %cd%
::当前bat文件路径
@echo the bat's path : %~dp0
:: /a表示是个表达式 1M 1024byte * 1024 = 1MB
set /a onem=1024*1024
for /l %%i in (1,1,100) do fsutil file createnew %~dp001_num_%%i_1MB_file.txt %onem%
:: 从1 开始,间隔为1,到100结束,包括100