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????????DNS????ttl?IP????????????????
???????bash?????????????????????????
#!/bin/bashdeclare -a arra="www.baidu.com A 300 192.168.1.1"for i in $(echo "$a" | awk '{print $3,$4}') do arr[index]=$i ((index++))doneecho "ttl: ${arr[0]}"echo "ip address: ${arr[1]}" ????????????????
??????eval??????????????????????????
#!/bin/bashb=""c=""eval "$(echo "$a" | awk '{ printf("b=%s;c=%s",$3,$4)}')"echo "$b"echo "$c" ????????????ttl?IP?????
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