function draw(endStr, middleChar, amount, mode, programname)
 scrX, scrY = term.getCursorPos()
 local str = ""
 str = endStr..string.rep(" ", amount)..endStr
 write(str)
 term.setCursorPos(scrX + 1, scrY)
 str = ""
 for i=1,amount do
  write(middleChar)
  sleep(1)
 end
 if mode == "print" then print() end
 if programname then
  shell.run(programname)
 end
end
print("Loading...")
draw("|", ".", 4, "write", "done")