我们有以下文件(或多或少可能是同一行)
more /tmp/info
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes
如何操纵输出以便我们得到以下结果
预期结果(带有行缩进)
linux01.sys76.com eno83122 Speed 10000Mb/s
linux02.sys76.com eno83122 Speed 10000Mb/s
linux03.sys76.com eno83122 Speed 10000Mb/s
linux01.sys76.com eno83122 Speed 10000Mb/s
linux02.sys76.com eno83122 Speed 10000Mb/s
linux03.sys76.com eno83122 Speed 10000Mb/s
linux01.sys76.com eno83122 Speed 10000Mb/s
linux02.sys76.com eno83122 Speed 10000Mb/s
linux03.sys76.com eno83122 Speed 10000Mb/s
linux01.sys76.com eno83122 Duplex Full
linux02.sys76.com eno83122 Duplex Full
linux03.sys76.com eno83122 Duplex Full
linux01.sys76.com eno83122 Duplex Full
linux02.sys76.com eno83122 Duplex Full
linux03.sys76.com eno83122 Duplex Full
linux01.sys76.com eno83122 Duplex Full
linux02.sys76.com eno83122 Duplex Full
linux03.sys76.com eno83122 Duplex Full
linux01.sys76.com eno83122 Link_detected yes
linux02.sys76.com eno83122 Link_detected yes
linux03.sys76.com eno83122 Link_detected yes
linux01.sys76.com eno83122 Link_detected yes
linux02.sys76.com eno83122 Link_detected yes
linux03.sys76.com eno83122 Link_detected yes
linux01.sys76.com eno83122 Link_detected yes
linux02.sys76.com eno83122 Link_detected yes
linux03.sys76.com eno83122 Link_detected yes
答案1
Awk
解决方案:
awk 'prev && prev != $3 { print ORS ORS }{ prev = $3 }1' /tmp/info
输出:
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Speed: 10000Mb/s
linux02.sys76.com eno83122 Speed: 10000Mb/s
linux03.sys76.com eno83122 Speed: 10000Mb/s
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Duplex: Full
linux02.sys76.com eno83122 Duplex: Full
linux03.sys76.com eno83122 Duplex: Full
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes
linux01.sys76.com eno83122 Link detected: yes
linux02.sys76.com eno83122 Link detected: yes
linux03.sys76.com eno83122 Link detected: yes