尘丶

@echo off&setlocal enabledelayedexpansion
set i=1
for %%a in (*.jpg) do (
ren "%%a" R^(20^)!i!.jpg
set /a i=!i!+1
)
set num=2
for %%a in (*.tif) do (
ren "%%a" R^(20^)!num!.tif
set /a num=!num!+1
)
pause