監控網站URL是否正常

#!/bin/sh

monitor URL

#by zkg 2019-08-13

#打印提示信息函數
Usage(){
echo "Usage:sh $0 URL"
exit 1
}

#檢查URL函數
CheckUrl(){
wget -T 10 --spider -t 2 $1 &>/dev/null
if [ $? -eq 0 ];then
echo "$1 is Normal links"
exit 0
else
echo "$1 is not Normal links"
exit 2
fi
}
#主函數
main(){
if [ $# -ne 1 ];then
Usage
fi
CheckUrl $1
}
main $*