log

local function log(tag, message)
  timestamp = "[" .. textutils.formatTime(os.time(), true) .. "]"
  tagString = "[" .. tag .. "]"
  print(timestamp ..
       tagString ..
       " " .. message)
end

function i(message)
  term.setTextColor(colors.white)
  log("Info", message)
end

function w(message)
  term.setTextColor(colors.orange)
  log("Warning", message)
end

function e(message)
  term.setTextColor(colors.red)
  log("Error", message)
end