You can delete every other line in the current buffer using the following command.
There is a fairly elegant way in vim to delete every other line in the current buffer. Why would you want to do that? I don't know. Nevertheless, here it is:
This will essentially delete all even numbered lines. If you'd like to
delete all odd numbered lines, delete the first line in the file (
and then run the same command as above.
This syntax is a bit awkward, so you may be better off going straight for a