yhcfsr

@echo off
set "ScDir=D:\temp"
set "spt=原标题"
cd /d "%ScDir%"&cd.>"%ScDir%\error.log"
for /f  "delims=" %%a in ('dir /a-d /s /b *.txt') do (
	for /f  "delims=" %%i in ('findstr /n .* "%%a"') do set "var=%%i"
	setlocal enableDelayedExpansion
	set "tmp=!var!"
	set "var=!var:*%spt%=!"
	if !var! neq !tmp! (ren "%%a" "!var!%%~xa") else (echo %%~a>>"%ScDir%\error.log")
	endlocal
)
pause   
exit
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