Using sed buffer

burakkilic · #1 (**permalink**) 12-14-2007

Hi. I have some questions about using sed. I cannot use the hold buffer. For example i want to put first line to the buffer than take second line and append the buffer to the second line.then 3th to the all. It will be like 2->1->3 th lines. Any idea?

shamrock · #2 (**permalink**) 12-14-2007

Quote:

Originally Posted by burakkilic

Hi. I have some questions about using sed. I cannot use the hold buffer. For example i want to put first line to the buffer than take second line and append the buffer to the second line.then 3th to the all. It will be like 2->1->3 th lines. Any idea?

Code:

sed -n '1,2{h
n
G
p
}
3,$p' file

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