检查文件的大小并备份脚本

#!/bin/bash
#check log size

while true
do
log_size=`stat -c%s /home/test_esb_181.log`
log_size=$[$log_size / $[1024 * 1024]]
#echo log_size
if [ "$log_size" -gt "20" ]
then
    mv /home/test_esb_181.log /home/test_esb_181.log.`date +%s`
    touch /home/test_esb_181.log
fi
sleep 60
done&


#!/bin/bash
#test ping esb
#ping 172.16.38.181 and ping 172.16.38.134

if [ ! -f /home/test_esb_181.log ]
then
    touch /home/test_esb_181.log
fi

while true
do
    ping -c 1 172.16.38.181|grep from >>/home/test_esb_181.log
    sleep 1
done&