awk区间取值的例子

2026-01-17 17:17:02 作者:用户投稿
有如下的文本内容:
*********
123123
123123
*********
321321
321321
*********
456456
456456
*********
123123
123123
********

匹配123,取出******区间的内容:
awk -vRS="*+" '/123/{print RT$0}' file

说明:
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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