went

adb shell su -c 'ls /data/aaa'  | findstr "No such" 1>nul 2>nul && (
	echo /data/aaa NOT EXIST,RUN B
) || (
	echo /data/aaa EXIST,RUN A
)
复制代码

/data文件夹好像要有root权限才能读取吧,最好加个su