bat 最外面的无法循环？

@echo off &setlocal EnableDelayedExpansionset dir_a=E:临时放置测试rem dir_a=文件夹路径set path_a=!dir_a!*rem set /a a=0pausefor /f %%i in (dir !path_a! /b) do ( set full_path=!dir_a!%%i if not exist !full_path! ( set /a a+=1 set yy=%%~ni set zz=%%~xi :: 字符串处理改名 set xx= :sss1 if "!yy!" NEQ "" ( set xx=!xx!_!yy:~0,1! set yy=!yy:~1! goto sss1 ) else ( set p_b1=!xx!!zz! echo !a!：!full_path! echo !p_b1! ren !full_path! !p_b1! ) ) else ( echo 非文件：!full_path! ))echo end_fendlocalpause