use-sed-to-remove-line-containing-a-string.md

Use sed to remove line containing a string

The sed command can be used to remove lines containing a keyword.

Remove line containing string from standard input:

$ echo -e "1\n2\n3"

1
2
3

$ echo -e "1\n2\n3" | sed "/2/d"

1
3

Remove line containing string from a file:

$ echo -e "1\n2\n3" > myfile.txt

$ cat myfile.txt

1
2
3

$ sed -i "" "/2/d" myfile.txt

$ cat myfile.txt

1
3

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Posted May 20, 2021.

https://www.darklaunch.com/2021/05/20/use-sed-to-remove-line-containing-a-string.html