Command output in vi editor

Question

I open a text file using vi editor in linux and want to insert date command output without exiting vi editor. What is the trick?

Thanks

Answer 1

Is this what you mean?

:r !date

or to add one week to the current date:

:r !date -d “today 1 week”

Also see this post: http://stackoverflow.com/questions/56052/best-way-to-insert-timestamp-in-vim