中国DOS联盟

@echo off
@title EXE备份-恢复
::-----By---guixi
cls
@color a
@set /p ch=备份请按 1 恢复请按 2
if %ch%==1 goto :a
if %ch%==2 goto :b
:a
set /p ps=path
@echo off
@echo 将要备份,请在次确认(请先关闭应用程序) & pause
setlocal enabledelayedexpansion
cd\ & cd /d %ps%
@for /f "delims=" %%a in ('dir /s/b/a-d *.exe') do set ph=%%~sa & set ph=!ph:exe=safe! & copy /y %%~sa !ph!
@echo ok & pause
goto :eof
:: part1__copy
:b
@echo off
set /p ps=path
@echo off
@echo 将要备份,请在次确认(请先关闭应用程序) & pause
setlocal enabledelayedexpansion
cd\ & cd /d %ps%
@for /f "delims=" %%a in ('dir /s/b/a-d *.safe') do set ph=%%~sa & set ph=!ph:safe=exe! & copy /y %%~sa !ph!
@echo ok & pause>nul
goto :eof

再详细说明一下，这些内容都写在一个 BAT文件中吗》》》》