可以给我上面的代码加一个功能判断是否能读取到data,如果能读取到,则输出ONE 如果不能读取则输出TWO
时间: 2024-02-27 13:57:44 浏览: 29
好的,你可以尝试使用以下代码:
```
#!/bin/bash
start_addr=0x100000
end_addr=0x100100
data_read="11223344"
match_count=0
count=0
for ((addr=$start_addr; addr<$end_addr; addr+=4)); do
data=$(sudo dd if=/dev/mem bs=4 count=1 skip=$(($addr/4)) 2>/dev/null | hexdump -e '/4 "%08x\n"')
echo -n "\x55\xAA\x55\xAA" | sudo dd of=/dev/mem bs=4 count=1 seek=$(($addr)) conv=notrunc 2>/dev/null
if [ "$data" == "$data_read" ]; then
match_count=$((match_count+1))
fi
count=$((count+1))
percent=$(echo "scale=2; $count * 100 / (($end_addr - $start_addr) / 4)" | bc)
echo -ne "Reading: $percent%\r"
done
echo "Reading: 100%"
if [ $match_count -eq $count ]; then
echo "ONE"
else
echo "TWO"
fi
```
这段代码会在循环结束后判断是否成功读取到data,并输出相应的提示信息。请注意,为了能够读取/dev/mem设备,你需要使用sudo命令以管理员权限运行该程序。