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回复 1# wxp7

@echo off
for /f "tokens=*" %%a in ('dir /a-d /b /s "GC*.pdf"')do (
    set "b=%%~na"
    set "OldName=%%a"
    setlocal enabledelayedexpansion
    set "l=!b:~0,2!"
    set "g=!b:~2,14!"
    set "d=!b:~100!"
    set "h=%%~xa"
    set "j=GC"
    set "q=-A"
    set "e=!l!!g!!q!!h!"
    ren "!OldName!" "!e!"
    endlocal
)
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