How Do I Remove an Extra Line in Unix?
Contents D Is the Sed Command to Delete a Line. ^$ Is a Regular Expression Matching Only a Blank Line, a Line Start Followed by a Line End. You Can Use the -v...
d is the sed command to delete a line. ^$ is a regular expression matching only a blank line, a line start followed by a line end. You can use the -v option with grep to remove the matching empty lines. With Awk, NF only set on non-blank lines.
How do I remove a specific line in Unix?
To Remove the lines from the source file itself, use the -i option with sed command. If you dont wish to delete the lines from the original source file you can redirect the output of the sed command to another file.
How do I delete a specific line in Linux?
You can use the “stream editor for filtering and transforming text” sed. Here, -i means edit the file inplace. d is the command to “delete the pattern space; immediately start next cycle”.