(view source code of netfxver.bat as plain text)
@ECHO OFF
:: Check Windows version and command line argument (none allowed)IF NOT "%OS%"=="Windows_NT" GOTO Syntax
IF NOT "%~2"=="" GOTO Syntax
SETLOCAL ENABLEDELAYEDEXPANSION
:: Display head to Standard Error, so it may be separated from the actual results1>&2 ECHO.
1>&2 ECHO .NET Framework versions installed on this computer:
1>&2 ECHO.
:: Use prefixes if both 32 and 64 bit versions existIF EXIST %windir%\Microsoft.NET\Framework64 (
SET b32= [32bit]
SET b64= [64bit]
) ELSE (
SET b32=
SET b64=
):: List all 32 bit versionsFOR /D %%A IN (%windir%\Microsoft.NET\Framework\*) DO (
SET NETFx=%%~nxA
ECHO %b32% !NETFx:v=!
):: List all 64 bit versions if any existsIF EXIST %windir%\Microsoft.NET\Framework64 (
ECHO.
FOR /D %%A IN (%windir%\Microsoft.NET\Framework64\*) DO (
SET NETFx=%%~nxA
ECHO %b64% !NETFx:v=!
)):: Check if a specified version is installedIF NOT "%~1"=="" (
SET OK=1
IF EXIST %windir%\Microsoft.NET\Framework\v%1.* (
SET OK=0
)IF EXIST %windir%\Microsoft.NET\Framework64\v%1.* (
SET OK=0
))ENDLOCAL & EXIT /B %OK%
:SyntaxECHO NETFxVer.bat, Version 3.00 for Windows 2000 or later
ECHO List installed .NET Framework versions, or check if specified one is installed
ECHO.
ECHO Usage: NETFXVER.BAT [ n.n ]
ECHO.
ECHO Where: n.n is the version to be checked, e.g. 3.5
ECHO.
ECHO Returns: A list of all installed versions is displayed on screen.
ECHO If a version to be checked was specified, the return code
ECHO (ERRORLEVEL) will be 0 if it is installed, or 1 if not.
ECHO.
ECHO Written by Rob van der Woude
ECHO http://www.robvanderwoude.com
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