- @echo off
- setlocal enabledelayedexpansion
- set /p n=输入倒数数字(0-9),然后回车:
- set /a m=n-1
- set 前插=(
- set 后插=)
- for /f "delims=" %%a in ('dir /b /a-d ^|findstr /v "bat$"') do (
- set str=%%~na
- set str1=!str:~0,-%n%!
- set str2=!str:~-%n%,1!
- set str3=!str:~-%m%!
- echo.old=!str!
- echo.new=!str1!!前插!!str2!!后插!!str3!
- pause
- )
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