在awk或sed中转换pcregrep命令
我有一个多行匹配的pcregrep命令，我想将其转换为awk或sed命令，因为在pcregrep不可用的机器上（OS X）需要它 原始命令：在awk或sed中转换pcregrep命令,awk,sed,multiline,pcregrep,Awk,Sed,Multiline,Pcregrep,我有一个多行匹配的pcregrep命令，我想将其转换为awk或sed命令，因为在pcregrep不可用的机器上（OS X）需要它 原始命令： ifconfig -a | pcregrep -M '^[a-z].*\n(\t[^\n]+\n)+\t[^\n]+baseTX' | grep -oE "^([a-z]+[^:]+)" 它输出包含字符串“baseTX”的接口名称（我在MacBook上找到的唯一可靠查找以太网接口名称的方法）。就我而言，“en4” 输入文本如下所示： lo0: flags
ifconfig -a | pcregrep -M '^[a-z].*\n(\t[^\n]+\n)+\t[^\n]+baseTX' | grep -oE "^([a-z]+[^:]+)"
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
options=3<RXCSUM,TXCSUM>
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
nd6 options=1<PERFORMNUD>
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
stf0: flags=0<> mtu 1280
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether xx:xx:xx:xx:xx:xx
inet6 xxxx::xxxx:xxxx:xxxx:xxx%en0 prefixlen 64 scopeid 0x4
inet 10.xxx.xxx.xx netmask 0xffffff00 broadcast 10.xxx.xxx.255
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx prefixlen 128
nd6 options=1<PERFORMNUD>
media: autoselect
status: active
en5: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
options=60<TSO4,TSO6>
ether xx:xx:xx:xx:xx:xx
media: autoselect <full-duplex>
status: inactive
en6: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
options=60<TSO4,TSO6>
ether xx:xx:xx:xx:xx:xx
media: autoselect <full-duplex>
status: inactive
en4: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=4<VLAN_MTU>
ether xx:xx:xx:xx:xx:xx
inet6 xxxx::xxxx:xxxx:xxxx:xxxx%en4 prefixlen 64 scopeid 0x7
inet XX.XXX.XXX.XX netmask 0xffffff00 broadcast XX.XXX.XXX.XXX
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx prefixlen 128
nd6 options=1<PERFORMNUD>
media: autoselect (100baseTX <full-duplex>)
status: active
bridge0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=63<RXCSUM,TXCSUM,TSO4,TSO6>
ether xx:xx:xx:xx:xx:xx
Configuration:
id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0
maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200
root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0
ipfilter disabled flags 0x2
member: en5 flags=3<LEARNING,DISCOVER>
ifmaxaddr 0 port 5 priority 0 path cost 0
member: en6 flags=3<LEARNING,DISCOVER>
ifmaxaddr 0 port 6 priority 0 path cost 0
nd6 options=1<PERFORMNUD>
media: <unknown type>
status: inactive
p2p0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 2304
ether xx:xx:xx:xx:xx:xx
media: autoselect
status: inactive
lo0:flags=8049 mtu 16384
选项=3
inet6:：1预桥128
inet 127.0.0.1网络掩码0xff000000
inet6 fe80:：1%lo0预桥64作用域ID 0x1
nd6选项=1
gif0：标志=8010 mtu 1280
stf0：标志=0 mtu 1280
en0：标志=8863 mtu 1500
乙醚xx:xx:xx:xx:xx:xx:xx
inet6 xxxx：：xxxx:xxxx:xxxx:xxx%en0前缀轴64作用域ID 0x4
inet 10.xxx.xxx.xx网络掩码0xffffff00广播10.xxx.xxx.255
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx前缀轴128
nd6选项=1
媒体：自动选择
状态：活动
en5：标志=8963 mtu 1500
选项=60
乙醚xx:xx:xx:xx:xx:xx:xx
媒体：自动选择
状态：不活跃
en6：标志=8963 mtu 1500
选项=60
乙醚xx:xx:xx:xx:xx:xx:xx
媒体：自动选择
状态：不活跃
en4：标志=8863 mtu 1500
选项=4
乙醚xx:xx:xx:xx:xx:xx:xx
inet6 xxxx:：xxxx:xxxx:xxxx:xxxx%en4前缀轴64作用域ID 0x7
inet XX.XXX.XXX.XX网络掩码0xffffff00广播XX.XXX.XXX.XXX
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx前缀轴128
nd6选项=1
介质：自动选择（100baseTX）
状态：活动
桥0:flags=8863 mtu 1500
选项=63
乙醚xx:xx:xx:xx:xx:xx:xx
配置：
id 0:0:0:0:0:0优先级0 hellotime 0 fwddelay 0
maxage 0 holdcnt 0 proto stp maxaddr 100超时1200
根id 0:0:0:0:0:0优先级0如果成本0端口0
ipfilter禁用标志0x2
成员：en5标志=3
ifmaxaddr 0端口5优先级0路径成本0
成员：en6标志=3
ifmaxaddr 0端口6优先级0路径成本0
nd6选项=1
媒体：
状态：不活跃
p2p0：标志=8843 mtu 2304
乙醚xx:xx:xx:xx:xx:xx:xx
媒体：自动选择
状态：不活跃
如何使用awk或sed绘制“en4”？我试了一个小时，但我在sed和awk方面做得不好。假设间距一致（前导空格仅在非标题行上），这应该可以：
awk -F: '/^[[:alpha:]]/ {iface=$1; next} /baseTX/ {print iface; exit}'
假设间距一致（前导空格仅在非标题行上），这应该可以：
awk -F: '/^[[:alpha:]]/ {iface=$1; next} /baseTX/ {print iface; exit}'
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ipip addr显示什么ipip addr显示什么