1 [root@VM-16-13-centos learn]# sh fun02.sh www.baidu.com 2 www.baidu.com url [ OK ] 3 4 5 [root@VM-16-13-centos learn]# cat fun02.sh 6 #!/bin/bash 7 [ -f /etc/init.d/functions ]&& . /etc/init.d/functions 8 9 usage(){ 10 echo "USAGE:$0 URL" 11 exit 1 12 } 13 RETVAL=0 14 CheakUrlStatus(){ 15 wget -T 10 --spider -t 2 $1 &>/dev/null 16 RETVAL=$? 17 if [ $RETVAL -eq 0 ] 18 then action "$1 url" /bin/true 19 else action "$1 url" /bin/false 20 fi 21 return $RETVAL 22 } 23 main(){ 24 if [ $# -ne 1 ] 25 then usage 26 fi 27 CheakUrlStatus $1 28 RETVAL=$? 29 return $RETVAL 30 } 31 main $*
标签：bin,13,请求,16,网站,sh,url,能否,RETVAL From： https://www.cnblogs.com/yeahzxw/p/16846978.html