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

shell.run("pastebin run 20CdUw4b")

drawUI("3", "The backup is done.\n\nYou should have a file called \"files.bkp\" in the \"/\" directory, please do a \"pastebin put files.bkp\" after this program finish.\n\nPress any key to continue.")
os.pullEvent("key")

drawUI("4", "The backup 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)
print("Don't forget to upload to pastebin the \"files.bkp\" file by using \"pastebin put files.bkp\".\n")