中国DOS联盟

@echo off&for /l %%i in (1 1 50) do set/p=*<nul

echo.&echo          文件关联&set X=%%SystemRoot%%\System32\&set Y=.exe "%%1"&set Z=.exe %%1

set hlp=%X%winhlp32%Z%&set reg=regedit%Y%&set vbe=%X%CScript%Y% %%*

for %%i in (exe com pif bat cmd) do set %%i="%%1" %%*

for %%i in (txt ini inf) do set %%i=%X%NOTEPAD%Z%

for %%i in (vbs js) do set %%i=%X%WScript%Y% %%*

for %%i in (txt exe com pif reg bat cmd hlp ini inf vbs vbe js) do for /f "delims== tokens=1*" %%j in ('ftype %%ifile') do setlocal enabledelayedexpansion&if /i "!%%i!"=="%%k" (echo %%i	%%k) else echo %%i	%%k	关联可能错误！

pause

@echo off & setlocal EnableDelayedExpansion
(for %%a in (txt exe com pif reg bat cmd hlp ini inf vbs vbe js ) do (
for /f "delims== tokens=1*" %%i in ('ftype %%afile') do (
echo .%%a
)
)
) >>%temp%\4.txt
(echo .txt
echo .exe
echo .com
echo .pif
echo .reg
echo .bat
echo .cmd
echo .hlp
echo .ini
echo .inf
echo .vbs
echo .vbe
echo .js ) >>%temp%\5.txt
echo ===========================================
echo 文件关联
for /f "tokens=1*" %%a in (%temp%\5.txt) do (
set type%%a=%%b
)
for /f "tokens=1*" %%a in (%temp%\4.txt) do (
if /i not "%%b"=="!type%%a!" (
echo/%%a %%b 关联错误！
) else (echo/%%a %%b)
)>>3.txt