hfxiang

@echo off
setlocal EnableDelayedExpansion
cd /d "%~dp0"
for /f "tokens=*" %%a in ('dir *.pdf /b/s/a-d') do (
	set "name=%%~na"
	set name=!name:~0,18!
	move /y "%%~fa" "%%~dpaDKSYT!name!J.PDF"
)
endlocal
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