Q: How to delete lines using sed?

To delete a line, we'll use the sed “d” command. Note that you have to declare which line to delete. Otherwise, sed will delete all the lines.

Question 1

How to delete lines using sed?

Accepted Answer

To delete a line, we'll use the sed &ldquo;d&rdquo; command. Note that you have to declare which line to delete. Otherwise, sed will delete all the lines.

Question 2

Can sed replace multiple lines?

Accepted Answer

By using N and D commands, sed can apply regular expressions on multiple lines (that is, multiple lines are stored in the pattern space, and the regular expression works on it): $ cat two-cities-dup2.

Question 3

How do you put multiple patterns in sed?

Accepted Answer

Use multiple patterns at once with SedLook out for the semicolon(;) to add more patterns within the single command.

Question 4

How do I delete a range of lines in Linux?

Accepted Answer

The sed command can remove the lines of any range. For this, we just have to enter 'minimum' and 'maximum' line numbers. In this example, we will remove the lines ranging from 4 to 7 numbers. After removing these ranges of lines, our file will look like this.

Multiline delete with sed

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