ren *.dat*.txt
复制代码

@echo off
for /f "delims=" %%i in ('dir /b /s /a-d "*.dat"') do (
    ren "%%i" "%%~ni.txt"
)
复制代码

@echo off
if not exist new\ (
    md new
)
for /f "delims=" %%i in ('dir /b /s /a-d "*.txt" ^| findstr /v "%~dp0new"') do (
    copy /y "%%i" "new\%%~ni.txt"
)
复制代码