awk段间抽域

udb6688

[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether ec:d6:8a:15:e0:9a brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.200/24 brd 192.168.1.250 scope global dynamic enp2s0
       valid_lft 1203792sec preferred_lft 1203792sec
    inet6 fe80::eed6:8aff:fe15:e09a/64 scope link
       valid_lft forever preferred_lft forever
3: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether ec:d6:8a:15:e0:9b brd ff:ff:ff:ff:ff:ff
    inet 172.16.50.141/24 brd 172.16.50.255 scope global dynamic enp3s0
       valid_lft 82723sec preferred_lft 82723sec
    inet6 fe80::eed6:8aff:fe15:e09b/64 scope link
       valid_lft forever preferred_lft forever



求单个awk取出好下：
enp2s0    ec:d6:8a:15:e0:9a
enp3s0   ec:d6:8a:15:e0:9b

dahaoshanhe

awk '$2~/enp/{ printf "%s " , $2 } $1~/link\/ether/{print $2 }'  inputfile  | awk '{sub(/:/,"",$1)}1'

ll104567

perl -lne 'if(/^[0-9]+/){@F=split/[: ]+/;$a=$F[1]}if(/ether/){@F=split;print "$a $F[1]"}'

wh7211

回复 1# udb6688

1. cat 1
   
2. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
   
3.     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
   
4.     inet 127.0.0.1/8 scope host lo
   
5.        valid_lft forever preferred_lft forever
   
6.     inet6 ::1/128 scope host
   
7.        valid_lft forever preferred_lft forever
   
8. 2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
   
9.     link/ether ec:d6:8a:15:e0:9a brd ff:ff:ff:ff:ff:ff
   
10.     inet 192.168.1.200/24 brd 192.168.1.250 scope global dynamic enp2s0
    
11.        valid_lft 1203792sec preferred_lft 1203792sec
    
12.     inet6 fe80::eed6:8aff:fe15:e09a/64 scope link
    
13.        valid_lft forever preferred_lft forever
    
14. 3: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    
15.     link/ether ec:d6:8a:15:e0:9b brd ff:ff:ff:ff:ff:ff
    
16.     inet 172.16.50.141/24 brd 172.16.50.255 scope global dynamic enp3s0
    
17.        valid_lft 82723sec preferred_lft 82723sec
    
18.     inet6 fe80::eed6:8aff:fe15:e09b/64 scope link
    
19.        valid_lft forever preferred_lft forever
    
20. 
    
21. awk '/^[0-9]+: [^:]+/{a=gensub(":","",1,$2)}/link\/ether/{print a,$2}' 1
    
22. enp2s0 ec:d6:8a:15:e0:9a
    
23. enp3s0 ec:d6:8a:15:e0:9b

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