testing it WORKS

--no pastebin? no problem!
--fs.open("setup","w").write(http.post("http://pastebin.com/raw/8Th5VpE5").readAll())

local tArgs = {...}
--local filename

function get(name,address)
    local response = nil
    local tmp = fs.open(name,"w")
    local function setColor(color)
        if term.isColor() then
            term.setTextColor(color)
        end
    end
    setColor(colors.yellow)
    if address:sub(1,4) == "http" then
        write("Connecting to Github.com... ")
        response = http.get(address)
    else
        write("Connecting to Pastebin.com... ")
        response = http.get("http://pastebin.com/raw/"..tostring(address))
    end
    if response then
        setColor(colors.green)
        print("Success")
        tmp.write( response.readAll() )
        tmp.close()
        setColor(colors.white)
        return true
    else
        setColor(colors.red)
        print("Failed")
        setColor(colors.white)
        return false
    end
end

if tArgs[1] == "download" or tArgs[1] == "dl" then
    get("market","BztihKh3")
    get("refill","cds0sp3C")
    get("time","6zRMTLyF")
    get("turtle","7mnsWVwz")
    get("blueprint","kQ7xueqL")
    get("simulate","Th40FmCz")
    get("multisetup","y7t1FUbY")
    return
else
    assert(tArgs[1],"no tArgs[1]")
    if not fs.exists(tArgs[1]) then
        error("File non existent")
    end
end

if not fs.exists("turtle") then
    error("dont forget to dl the api skrub")
end
    --shell.run("turtle reset")

function file2table(filename)
    local h = fs.open(filename,"r")
    local sOutput = h.readAll()
    sOutput = textutils.unserialize(sOutput)
    h.close()
    return sOutput
end

--slots = textutils.unserialize(fs.open("slots","r").readAll())



--  dynamic method  --

function recordStep(n)
    local h = fs.open("nObjective",'w')
    h.writeLine("nObjective = "..tostring(n))
    h.close()
end

--  deprecated  --


local startup = [[

--  reference  --

    shell.run("]]..tostring(tArgs[1])..[[")
    reference.filename = "]]..tostring(tArgs[1])..[["

--  startup  --

    shell.run("turtle") --runs position
    shell.run("nObjective")
    shell.run("time")

    --if nObjective <= #instructions then --goes to height on startup so it doesnt break other blocks
        --could also try refilling first
        local x,y,z,id,data = unpack(instructions[nObjective])
        goto(reference.finalx+1,y,z)
    --end

    local function setLine(n)
        term.setCursorPos(1,n)
        term.clearLine()
        term.setCursorPos(1,n)
    end

    local function setColor(c)
        if term.isColor() then
            term.setTextColor(c)
        end
    end

    local function a1()
        while true do
            --break and return when finished
            if nObjective > #instructions then
                return true
            end
            --repeat
            local x,y,z,id,data = unpack(instructions[nObjective])
            goto(x+1,y,z)
            findAndPlace(id,data,slots,reference.wrench)
            nObjective = nObjective + 1
            recordStep(nObjective)
        end
    end

    local function b1()
        while true do
            setLine(1)
            setColor(colors.yellow)
            term.write("CurrentPosition: ")
            setColor(colors.white)
            term.write(heightPos..","..widthPos..","..lengthPos..","..face)
            setLine(2)
            if nObjective > #instructions then
                return true
            end
            local id,data = unpack(instructions[nObjective],4,5)
            local name,dmg = nil,nil
            if slots[id] and slots[id][data] then
                name,dmg = unpack(slots[id][data])
            end
            setColor(colors.yellow)
            term.write("NextBlock: ")
            setColor(colors.white)
            term.write(tostring(name)..","..tostring(dmg))
            setLine(4)
            local fuelCost,timeRemaining = estimate(nObjective,instructions,heightPos,widthPos,lengthPos)
            setColor(colors.yellow)
            term.write("Time Remaining: ")
            setColor(colors.white)
            term.write(formatTime(timeRemaining))
            setLine(5)
            setColor(colors.yellow)
            term.write("fuelCost: ")
            setColor(colors.white)
            term.write(fuelCost)
            setLine(6)
            setColor(colors.yellow)
            term.write("fuelLevel: ")
            setColor(colors.white)
            term.write(turtle.getFuelLevel())
            sleep(0.4)
        end
    end

    parallel.waitForAny(a1,b1)

    shell.run("clr")
    print("finished")
    goto(reference.finalx+1,reference.returny,reference.returnz)
    turn("south")
    goto(reference.returnx,reference.returny,reference.returnz)

    shell.run("rm startup")
]]

local h = fs.open("startup","w")
h.write(startup)
h.close()

if fs.exists("time") then
    shell.run(tArgs[1])
    shell.run("time")
    local fuelCost,timeRemaining = estimate(1,instructions,0,0,0)
    print("Estimated Time: "..formatTime(timeRemaining))
    print("Fuel Cost: "..fuelCost)
    if fuelCost > turtle.getFuelLevel() then
        error("requires at least"..tostring( tonumber(fuelCost)-turtle.getFuelLevel() ).." more fuel")
    end
end
recordStep(1)
shell.run("turtle")
for i = 1,2 do
    term.scroll(i)
    sleep(0)
end
print("all set, reboot to start")