How to realize interval value in awk
This article will explain in detail how to realize the interval value of awk. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
There is the following text content:
*********
123123
123123
*********
321321
321321
*********
456456
456456
*********
123123
123123
********
Match 123, take out the contents of * range:
Awk-vRS= "* +" / 123 / {print RT$0} 'file
Description:
RS The input record separator, by default a newline (\ n).
RT The record terminator. Gawk sets RT to the input text that matched the character or regular expression specified by RS.
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