sed Address and address range Negating address range
Example
$ cat ip.txt
address
range
substitution
1234
search pattern
sample
Add Sub Mul Div
-
Deleting lines other than address specified
$ sed '/[0-9]/!d' ip.txt 1234 $ sed -n '/[0-9]/p' ip.txt 1234 $ sed '$!d' ip.txt Add Sub Mul Div $ sed -n '$p' ip.txt Add Sub Mul Div -
Search and replace on lines not matching a pattern
$ sed '/ /! s/^/#/' ip.txt #address #range #substitution #1234 search pattern #sample Add Sub Mul Div $ sed '/add/,/sub/! s/[aeiou]//gi' ip.txt address range substitution 1234 srch pttrn smpl dd Sb Ml Dv
