aaa.mdf       aaa_log.ldf
35fad.mdf    35fad_log.ldf
eeee.mdf    eeee_log.ldf
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 for %%i in (*.a) do @echo %%~nxi >>n.txt 
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for %%i in (*.a *.b) do @echo %~nxi 
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dir *.[ab] | ?{write-host $_.name ' ' -nonewline}
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@echo off
setlocal enabledelayedexpansion
echo MSSQL SERVER>list.txt
echo ---------------------------------------------->>list.txt
echo  ^*库文件                     日志文件    >>list.txt
echo ---------------------------------------------->>list.txt
set i=0
(for %%a in (*.mdf) do (
	set /a i+=1
	set /p =%%~nxa                 <nul
	set j=0
	for %%b in (*.ldf) do (
		set /a j+=1
		if !j! equ !i! (set /p =%%~nxb <nul)
	)
	echo.
))>>list.txt
if !j! gtr !i! (
	set j=0
	for %%b in (*.ldf) do (
		set /a j+=1
		if !j! gtr !i! (echo 空缺                       %%~nxb >>list.txt)
	)
)
start list.txt
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