ShowCode

回复 1# qd2024

@echo off
cd /d "%~dp0"
setlocal enabledelayedexpansion
set "MaxLen=0"
for /f "tokens=2 delims=_" %%a in ('dir /b /a-d *_*.pdf') do (
    for /f "skip=1 delims=:" %%i in ('^(echo "%%a"^&echo.^)^|findstr /o ".*"') do (
        set /a StrLen=%%i-5-4
    )
    if !StrLen! gtr !MaxLen! (
        set "MaxLen=!StrLen!"
    )
)
set "MaxNum=1"
for /l %%a in (1,1,!MaxLen!) do (
    set /a MaxNum=MaxNum*10
)
for /f "tokens=1* delims=_" %%a in ('dir /b /a-d *_*.pdf') do (
    set "FileNum=%%b"
    set "FileNum=!MaxNum!!FileNum:~0,-4!"
    ren "%%a_%%b" "%%a_!FileNum:~-3!%%~xb"
)
复制代码

ShowCode

回复 10# buyiyang


在CMD窗口里面执行这个命令应该能理解：

(echo "ABC"&echo.)|findstr /o ".*"
复制代码