How to delete specific lines in a file in Unix

The ex command g is very useful for acting on lines that match a pattern. You can use it with the d command, to delete all lines that contain a particular ...

The command to delete a line in Vim is dd. Below are step-by-step instructions to delete a line: Pressing dd multiple times will delete multiple lines.

Use a regular expression that matches the entire line (including the trailing newline), you can use that to delete entire lines, with confirmation.

You don't need a global command for this. The substitute command in by itself will suffice by. adding a wildcard; and adding an end-of-line.

You can use :g!/price/d to delete every line that doesn't contain price. As answered below, g! is an alias to v. this is equivalent to :v/price/d.

@PeterLewerin Yes, :g/<body/,/body>/d seems to work (as a side-effect, it'll remove the whole lines with it, but it almost works as expected).

You could delete the lines in a register: First clean up your register q for example with qqq in normal mode. Then use :g/PATTERN/norm! Qdd.

The ex command g is very useful for acting on lines that match a pattern. You can use it with the d command, to delete all lines that ...

評分 4.3 (261) · Using Vim's powerful “global” command, :g for short. To remove lines matching a pattern, simply use the /d flag to the command.

The command to delete is d. So, you can move to the beginning of the line, press v, move to the end of the line, and press d. Altogether that ...