请教提取文本段落的问题

jinxiuzhi

有文本如下：
abc111......Start to do sth......
... ...
<info>......IP:192.168.1.101......
......
xyz999......End the job......

abc222......Start to do sth......
... ...
<info>......IP:192.168.1.102......
......
xyz888......End the job......

abc333......Start to do sth......
... ...
<info>......IP:192.168.1.103......
......
xyz777......End the job......

abc444......Start to do sth......
... ...
<info>......IP:192.168.1.104......
......
xyz666......End the job......

每段文本以Start to do sth开始，以End the job结束，在Start与End间有一段信息以<info>开头，后面有IP地址。
现在，我想根据IP地址来提取文本段落，比如，只提取文本段落中包含<info>... IP:192.168.1.103的文本段落，请问用sed & awk该如何实现？谢谢大家O(∩_∩)O~

yinyuemi

回复 1# jinxiuzhi

1. IP="XXX.XXX.XXX.XXX";sed -n '/Start/,/End/{H;/End/{x;/'"$IP"'/p;}};/^$/h'

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1. awk -vRS='\n\n' -vIP='xxx.xxx.xxx.xxx' '$0~IP'

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