Restore Utility UI

local monX, monY = term.getSize()

local function drawUI(sStepNumber, sText)
  term.clear()
  term.setBackgroundColor(colors.black)

  paintutils.drawLine(1, 1, monX, 1, colors.white)

  term.setTextColor(colors.black)
  term.setCursorPos(1, 1)
  term.write("arc13's Restore Utility")

  term.setBackgroundColor(colors.black)

  term.setTextColor(colors.white)
  term.setCursorPos(1, 3)
  term.write("Step "..sStepNumber)

  term.setCursorPos(1, 4)

  for i = 1, monX do
    write(string.char(131))
  end

  term.setCursorPos(1, 5)
  print(sText)
end

drawUI("1", "Welcome to the arc13's Restore Utility.\n\nThis wizard will guide you through this utility.\n\nIt is recommended that you eject all disks that may be connected to this computer.\n\nPress any key to continue.")
os.pullEvent("key")

drawUI("2", "Please sure that the backuped file \"files.bkp\" is on the directory \"/\".\n\nPress any key to continue.")
os.pullEvent("key")

if not fs.exists("/files.bkp") then
  error("File not found : \"/files.bkp\"", 0)
end

drawUI("3", "The wizard will now run the restore utility.\n\nPress any key to continue.\n\n")
os.pullEvent("key")

shell.run("pastebin run qryd43n6")

drawUI("4", "The restore is done.\n\nYou should have all your files from your old computer.\n\nPress any key to continue.")
os.pullEvent("key")

drawUI("5", "The restore utility wizard is now finished.\n\nThanks for using me!\n\nPress any key to finish.")
os.pullEvent("key")

term.clear()
term.setCursorPos(1, 1)