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I'm working on improving my .vimrc, and I want to have command inside of it that depends upon whether it is night or day. I'd like to have something like the following in the end:

if isNightTime
  " do something
  " some other thing

What's the best way to go about this?

share|improve this question
Have you seen :help time-functions ? – Raimondi Apr 3 '11 at 19:15
Guess I hadn't seen that. I'm sorry for bothering folks before I'd sufficiently studied the documentation! – Jonathan Sterling Apr 3 '11 at 23:04
I didn't mean it that way, Vim's help can be a bit difficult to work with at first, that's why I pointed that page to you ;) – Raimondi Apr 4 '11 at 3:55
Didn't take any offense! :) Thanks, everyone, for being so helpful. – Jonathan Sterling Apr 4 '11 at 4:39
Just out of curiosity, what are you doing that requires this type of switch? Is it related to a colorscheme? – Matt Alexander May 3 '11 at 16:15
up vote 6 down vote accepted

Using the strftime() funtion is probably the best approach. If you are satsified with one-hour resolution, you could do something like this:

let hour = strftime("%H")
if 6 <= hour && hour < 18
    " do daytime stuff
    " do nighttime stuff


:help strftime()

and the strftime man page.

share|improve this answer
Thanks a lot! Worked perfectly. – Jonathan Sterling Apr 3 '11 at 23:07

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