os.clock

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Grid Redstone.png  Function os.clock
Returns the amount of time the Computer has been running, note that this may not be the amount of time the program has been running. the function os.clock() is useful for debugging, see the example.
Syntax os.clock()
Returns number, amount of time the computercraft computer has been running, in seconds.
Part of ComputerCraft
API OS

Examples

Grid paper.png  Example
Measure how long a task takes to complete
Code
local function consumeTime()
  sleep(4)
end

local startTime = os.clock() -- before we do anything
consumeTime() -- perform the action you wish to time
local endTime = os.clock() -- we now get the time again
local difference = endTime - startTime -- the time it took is the end minus the start
print("Took "..difference)
Output Time it took to run the tasks, in this case 4 seconds
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