Linux 版本排序；字母优先

Question

GNUsort -V非常适合对 IP 地址进行排序。不幸的是，它会将所有以字母（而不是数字）开头的行放在最底下。有办法解决吗？

^{注意：
• 192.168.0.103 缺失，因为它是本地主机。
• MAC/HW 地址已更改。}

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• 猫

user@host:~$ cat /proc/net/arp

IP address       HW type     Flags       HW address            Mask     Device
192.168.0.106    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.1      0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.101    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.104    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.110    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.108    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.107    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.102    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.105    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.100    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.109    0x1         0x2         00:00:00:00:00:00     *        wlan0

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• 排序 -V

user@host:~$ sort -V /proc/net/arp

192.168.0.1      0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.100    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.101    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.102    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.104    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.105    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.106    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.107    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.108    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.109    0x1         0x2         00:00:00:00:00:00     *        wlan0
192.168.0.110    0x1         0x2         00:00:00:00:00:00     *        wlan0
IP address       HW type     Flags       HW address            Mask     Device

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Answer 1

这里有一种将标题保持在顶部的技术：重定向文件，并从流中获取第一行，然后对其余行进行排序。

{ IFS= read -r header; echo "$header"; sort -V; } < /proc/net/arp