函数传参遍历三个网站是否存活举例

#!/bin/bash
za(){
 ping -c 1 $1
 if [ $? -eq 0 ]
 then
        echo "存活"
 else
        echo "未存活"
 fi
 ping -c 1 $2
 if [ $? -eq 0 ]
 then
        echo "存活"
 else
        echo "未存活"
 fi
 ping -c 1 $3
 if [ $? -eq 0 ]
 then
        echo "存活"
 else
        echo "未存活"
 fi
}
za www.baidu.com www.test.com www.wg.com
aa=(www.baidu.com www.test.com www.wg.com)
i=0
while [ $i -lt ${#aa[@]} ] 
do
  echo ${aa[$i]}
  let i++
done