A little plugin I wrote to train myself to use relative line numbers.
I had a problem using regular :set number in Vim - if I was working on
a large file, all of the line numbers around me would be something like
"2603", "2604", etc. Since the way I was most accustomed to moving around
the screen was with gg/G, I would end up typing 2063gg to get to a
visible line, which is quite a lot to type.
So, with that problem in mind, I turned on :set relativenumber...only to
run into a new problem. This new problem was that my fingers were so
wired into typing $NUMBER gg, which meant I would look at the relative number
of "10" for ten lines above the cursor and type 10gg rather than 10k, taking
me to the beginning of the file and throwing me off balance.
I wrote this plugin to train my fingers to get used to typing 10k and such.
It does this by overriding gg and G. If I type one of those commands with
a number prefix and that number is likely a relative number (judging from the
lines visible on screen), it cancels the command and admonishes me with a one
second delay. If it's ambiguous, it assumes that I am looking at the line
above the cursor, since this is what I tend to do. So typing 2603gg to get
to another region of the file will work as it normally does, but 10gg will
likely say "hey, you probably meant to do 10k". In the far less
frequent occasion that I actually want to go to line 10, I can always do
:10.
I should mention that I no longer use this plugin, because it worked and I no longer need it =)