验证网址是否可用

判断网址是否正常

#!/bin/bash
array=(
    www.baidu.com
    www.sohu.com
    www.google.com
    www.helloworldxhn.com
)

for url in ${array[*]}
do
    res_code=$(curl -I -m 2 $url 2>/dev/null | egrep 200 | wc -l)
    if [ $res_code -eq 1 ]; then
        echo "$url is successful "
    else
        echo "$url is failure"
    fi
done

curl -I 只显示头部
-m 设置最大读取时间