Ruby method to get seconds from colon-separated time string
// "01:02:03" => 3723
def colon_separated_to_i(str) time_arr = [] time_arr = str.split(":").reverse sec = 0 secs = [1, 60, 60*60, 60*60*24] time_arr.size.times do {|i| sec += secs[i].to_i * time_arr[i].to_i end sec end