Adam's TEV Display (Small)

--
----    Adam's TEV Display (Small)
----  Copyright 2022 Adam Mathieson
--

-- Pull in Command Line Args
args = {...}

-- Globals
_tevs = {
    args[1],args[2],args[3],args[4]
}

_monit = peripheral.wrap(args[5])

_dir = "/disk10/TEV/"

term.redirect(_monit)
term.setBackgroundColor(colors.black)
term.clear()

while true do
    i = 0
    for _, V in pairs(_tevs) do
        file = fs.open(_dir..V.."/currentTemp", "r")
        tmp = tonumber(file.readAll())
        file.close()

        str = "TEV_"..V

        if (i == 0) then
            term.setCursorPos(1,1)
        else
            if (i == 1) then
                term.setCursorPos(30-string.len(str),1)
            else
                if (i == 2) then
                    term.setCursorPos(1,5)
                else
                    if (i == 3) then
                        term.setCursorPos(30-string.len(str),5)
                    end
                end
            end
        end

        if (tmp > 2000) then
            term.setBackgroundColor(colors.green)
            term.setTextColor(colors.black)
        else
            if (tmp > 1000) then
                term.setBackgroundColor(colors.orange)
                term.setTextColor(colors.black)
            else
                term.setBackgroundColor(colors.red)
                term.setTextColor(colors.black)
            end
        end

        term.write(str)

        i = i + 1
    end

-- Yield to system
    os.queueEvent("looperEvent");
    os.pullEvent();
    os.sleep(0.5)
end