Bash: sed - part VI

Insert and Append text:




Insert (before current line)


# echo "Test Line 2" | sed 'i\Test Line 1'
Test Line 1
Test Line 2


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# sed '3i\
> This is an inserted line.' data6.txt

This is line number 1.
This is line number 2.
This is an inserted line.
This is line number 3.
This is line number 4.

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# sed '1i\
> This is one line of new text.' data6.txt


This is one line of new text.
This is line number 1.
This is line number 2.
This is line number 3.
This is line number 4.



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Append (after current line)

# echo "Test Line 2" | sed 'a\Test Line 1'


Test Line 2
Test Line 1

------------------

# sed '3a\
> This an appended line.' data6.txt


This is line number 1.
This is line number 2.
This is line number 3.
This an appended line.
This is line number 4.


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# sed '$a\
> This is a new line of test.' data6.txt


This is line number 1.
This is line number 2.
This is line number 3.
This is line number 4.
This is a new line of test.