001、
(base) [email protected]:/home/test2# ls a.txt (base) [email protected]:/home/test2# cat a.txt a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 (base) [email protected]:/home/test2# sed 'n; s/a/M/g' a.txt ## n；将两行合并为一行， 保护第一行 a1 M2 a3 M4 a5 M6 a7 M8 a9 M10
002、
(base) [email protected]:/home/test4# ls a.txt (base) [email protected]:/home/test4# cat a.txt 1 2 aaa 3 4 5 6aaa aaa 8 9 10 (base) [email protected]:/home/test4# sed '/aaa/n; s/aaa/KKK/' a.txt 1 2 aaa 3 4 5 6aaa KKK 8 9 10
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