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[shell 记录 ] #bash #shell
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| mac_addr=`ifconfig |grep ether |head -n 1 | grep -o "[a-f0-9A-F]\\([a-f0-9A-F]\\:[a-f0-9A-F]\\)\\{5\\}[a-f0-9A-F]"` | |
| $MAC_ADDR=$mac_addr|sed -e 's/[\:]//g' |tr '[a-z]' '[A-Z] |
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