有意思的批处理

@echo off

setlocal enabledelayedexpansion

set b=/-\ /-\ **

set 速度=1

set 退格=

:b

for /l %%i in (0,1,200) do call :a %%i

goto :b

:a

set/a a=%1%%10

set/a c=%a%%%4

if %a% EQU 0 set/p=▌<nul

if %c% EQU 3 (set/p=^|<nul) else (set/p=!b:~%a%,1!<nul)

ping/n %速度% 127.1>nul

set/p=%退格%<nul

goto :eof