@echo off & setlocal enabledelayedexpansion
set sc=c:\temp\shadowsc.txt
set sd=c:\temp\shadowsd.txt
set tp=%temp%\tmp.tmp
(
if not exist %sc% for /f "tokens=2 delims={}" %%i in ('^(vssadmin list shadows /for^=c:\^|find "Copy ID:"^)^|^|^(vssadmin list shadows /for^=c:\^|find "副本 ID:"^)') do echo.%%i>>%sc%
for /f %%i in ('find /v /c "" ^<%sc%') do (
	if %%i LEQ 6 goto :nextc
	set /a line=%%i-6
	for /f %%i in (%sc%) do (
		set id=%%i
		set /a a+=1
		vssadmin delete shadows /shadow={!id!} /quiet
		if !a! equ !line! more +!line! %sc%>%tp% && move /y %tp% %sc%>nul & goto :nextc
	)
)
:nextc
for /f "tokens=2 delims={}" %%i in ('wmic shadowcopy call create clientaccessible^,c:\^|find "ShadowID"') do echo.%%i>>%sc%
if exist d: (
	if not exist %sd% for /f "tokens=2 delims={}" %%i in ('^(vssadmin list shadows /for^=d:\^|find "Copy ID:"^)^|^|^(vssadmin list shadows /for^=d:\^|find "副本 ID:"^)') do echo.%%i>>%sd%
	for /f %%i in ('find /v /c "" ^<%sd%') do (
		if %%i LEQ 6 goto :nextd
		set /a line=%%i-6
		for /f %%i in (%sd%) do (
			set id=%%i
			set /a a+=1
			vssadmin delete shadows /shadow={!id!} /quiet
			if !a! equ !line! more +!line! %sd%>%tp% && move /y %tp% %sd%>nul & goto :nextd
		)
	)	
	:nextd
	for /f "tokens=2 delims={}" %%i in ('wmic shadowcopy call create clientaccessible^,d:\^|find "ShadowID"') do echo.%%i>>%sd%
)
)>nul
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