format_time.lua

local times = {"w", 604800, "d", 86400, "h", 3600, "m", 60, "s", 1}
for i = 1, # times - 2, 2 do
    times[i] = times[i] .. (" ")
end
local math_floor = math.floor
function FormatTime(seconds)
    if (seconds <= 0) then
        return seconds .. "s"
    end
    local str = ""
    for i = 1, # times, 2 do
        local n1, n2 = times[i + 1]
        n2, seconds = math_floor(seconds / n1), seconds % n1
        if (n2 > 0) then
            str = str .. (n2 .. times[i])
        elseif (n1 == 1 && seconds > 0) then
            str = str .. (seconds .. times[i])
        end
    end
    return str
end