請問指定行以後n行 要如何加上特定字元 - Linux
By Ida
at 2015-07-22T00:06
at 2015-07-22T00:06
Table of Contents
小弟有個需求
file.txt
AAAAA
BBBBB
CCCCC
DDDDD
EEEEE
FFFFF
想改成 找到CCCCC之後的三行 前面加上@
如
AAAAA
BBBBB
@CCCCC
@DDDDD
@EEEEE
FFFFF
想用sed
但CCCCC不是特定行數
請問各位版友有何想法提示呢?
感謝
--
file.txt
AAAAA
BBBBB
CCCCC
DDDDD
EEEEE
FFFFF
想改成 找到CCCCC之後的三行 前面加上@
如
AAAAA
BBBBB
@CCCCC
@DDDDD
@EEEEE
FFFFF
想用sed
但CCCCC不是特定行數
請問各位版友有何想法提示呢?
感謝
--
Tags:
Linux
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