let i=0
let r=0
for line in $(<iplist.txt); do
ip=$(echo ${line} | sed ":a;N;s/\n//g;ta")
echo start adb connect to ${ip}
adb connect ${ip}
echo ${ip} connect success!
echo cap ${ip}
adb -s ${ip}:5555 shell screencap -p /sdcard/screen${line}.png
adb -s ${ip}:5555 pull /sdcard/screen${line}.png
echo ${ip} cap success!
done
//iplist 文本txt,一个一个ip地址就行