yhcfsr

先备份源文件

@echo off
for /f "delims=" %%a in ('dir /a-d/s/b *.pdf') do (
	set "fullName=%%a"
	set "name=%%~nxa"
	setlocal enabledelayedexpansion
	set "name=!name:* =!"
	ren "!fullName!" "!name!"
	endlocal
)
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