진행 바 (Progress bar)

@echo off

chcp 65001
setlocal enabledelayedexpansion

set "_spc= "
set "_bar=■■■■■■■■■■"
set "_msg= 진행바."

for /f %%a in ('copy/Z "%~dpf0" nul')do for /f skip^=4 %%b in ('echo;prompt;$H^|cmd')do set "BS=%%b" & set "CR=%%a"
for /l %%L in (1 1 10)do nul timeout.exe 1

endlocal & color & goto :eof

=================================================

@echo off
setlocal EnableDelayedExpansion

rem Count the number of files in this dir (just as an example)
set n=0
for %%f in (*.*) do set /A n+=1

rem Fill "bar" variable with 70 characters
set "bar="
for /L %%i in (1,1,70) do set "bar=!bar!X"

rem Fill "space" variable with filler spaces
set "space="
for /L %%i in (1,1,110) do set "space=!space!_"

rem "Process" the files and show the progress bar in the title
set i=0
echo Processing files:
for %%f in (*.*) do (
set /A i+=1, percent=i*100/n, barLen=70*percent/100
for %%a in (!barLen!) do title !percent!%% !bar:~0,%%a!%space%
echo !i!- %%f
ping -n 2 localhost > NUL
)

pause