From: Earle Clubb <eclubb@...>
Date: 2007-09-29T04:07:40+09:00
Subject: sleep for lesser of two values

I have a loop that runs for a variable amount of time, as defined by
@duration.  I need to re-execute the command every 15 seconds for the
length of @duration, which is a float and can have any value.  Can
anyone think of a more elegant way to do this than the code below?

end_time = Time.now + @duration
while (t = Time.now) < end_time
  # execute command
  sleep((15 < (end_time - t)) ? 15 : (end_time - t))
end


Thanks,
Earle
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