View difference between Paste ID: 3nYgQKSB and Ei76U11L

 local rodLevels = 0
 reactor = peripheral.wrap("back")
 local numRods = reactor.getNumberOfControlRods()
-function setLevels ()
+barGraph = peripheral.wrap("top")
-   if unexpected_condition then error() end
+x,y = barGraph.getSize()
-   rodLevels = math.min( math.floor( ( reactor.getEnergyStored() / 10000000 ) * 80 ) + 40 , 100 )
+
-   if reactor.getEnergyStored() > 8000000 then
+function drawGraph()
-      rodLevels = 100
+   while true do
       while not fs.exists("graph.dat") do
-   if reactor.getEnergyStored() < 1000000 then
+         sleep(.05)
-      rodLevels = 0
+      end
       dataFile = fs.open("graph.dat", "r")
-   if reactor.getEnergyStored() == 10000000 then
+      percentValue = tonumber(dataFile.readLine())
       dataFile.close()
       print("drawGraph:"..percentValue)
       barGraph.clear()
       for j = y,1,-1 do
          barGraph.setCursorPos(1,j)
          if ( y-j ) * ( y/100 ) <= percentValue then
             barGraph.setBackgroundColour(colors.green)
-   pcall(setLevels)
+         else
             barGraph.setBackgroundColour(colors.black)
-   reactor.setAllControlRodLevels(rodLevels)
+         end
          barGraph.write(string.rep(" ",x))
       end
       sleep(2)
    end
 end
 
 
 --backgroundGraphing = coroutine.create(drawGraph)
 --coroutine.resume(backgroundGraphing)
 local storageArray = {}
 for i = 0,19 do
    storageArray[i] = peripheral.wrap("cofh_thermalexpansion_energycell_"..i)
 end
 
 function setRods()
    for i = 0, numRods - 1 do
       reactor.setControlRodLevel(i,math.max( math.min( rodLevels - ( 100 * i ), 100 ) , 0 ) )
    end
 end
 
 powerUsed = 0
 function getEnergyPercent()
    storageMax = 0
    storageTotal = 0
    for i,storageCell in pairs(storageArray) do
       storageTotal = storageTotal + storageCell.getEnergyStored("top")
       storageMax = storageMax + storageCell.getMaxEnergyStored("top")
    end
    fs.delete("graph.dat")
    dataFile = fs.open("graph.dat","w")
    dataFile.write(tostring(storageTotal / storageMax * 100))
    dataFile.close()
    print("Power Stored:"..tostring(storageTotal / storageMax * 100))
    return storageTotal / storageMax * 100
 end
 function getEnergy()
    storageTotal = 0
    for i,storageCell in pairs(storageArray) do
       storageTotal = storageTotal + storageCell.getEnergyStored("top")
    end
    return storageTotal
 end
 
 print("Starting reactor and collecting baselines")
 reactor.setActive(true)
 rodLevels = 0
 setRods()
 local maxOutput = 0
 while true do
    if maxOutput + maxOutput / 20 < reactor.getEnergyProducedLastTick() then
       maxOutput = reactor.getEnergyProducedLastTick()
    else
       break
    end
    sleep(1)
 end
 rodLevels = 100 * numRods
 setRods()
 print("Max Output:"..maxOutput)
 while true do
    lastPower = getEnergy()
    sleep(1)
    print("Power Delta:"..getEnergy() - lastPower)
    print("Power Generated:"..reactor.getEnergyProducedLastTick())
    powerUsed = math.abs( math.min( ( getEnergy() - lastPower ) - reactor.getEnergyProducedLastTick() ) , 0 )
    rodLevels = math.floor( ( 100 - ( ( powerUsed / maxOutput ) * 100 ) ) * numRods )
    if getEnergyPercent() > 40 then
       rodLevels = numRods * 100
    end
    if reactor.getEnergyStored() > 9000000 then
       reactor.setActive(false)
    else
       reactor.setActive(true)
    end
    print("Rod Levels: "..rodLevels)
    print("Power Generated:"..reactor.getEnergyProducedLastTick())
    print("Power Used:"..powerUsed)
    setRods()
    --coroutine.resume(backgroundGraphing)
    sleep(1)
 end