我正在寻找以下bash脚本的Lua替代品:
MAC="d4:be:d9:3a:78:88"
IP=`grep $MAC /tmp/dhcp.leases | awk {'print $3'}`
echo $IP
/tmp/dhcp.leases看起来像:
1497518739 d4:be:d9:3a:78:88 192.168.96.180 DESKTOP-2VECMJ7 01:d4:be:d9:3a:78:88
答案 0 :(得分:1)
将文件读入Lua字符串后,提取IP地址很简单:
function extract(text,mac)
return text:match(" "..mac.." (.-) ")
end