(view source code of biosdate.bat as plain text)
@ECHO OFF
ECHO.
ECHO BIOSDate.bat, Version 1.00 for DOS
ECHO Display BIOS date
ECHO.
ECHO Usage: %0
ECHO.
ECHO Written by Rob van der Woude
ECHO http://www.robvanderwoude.com
ECHO.
ECHO Idea by ComputerHope
ECHO http://www.computerhope.com/rdebug.htm
:: Check if running in true DOS modeECHO.%COMSPEC%| FIND /I "COMMAND.COM" >NUL
IF ERRORLEVEL 1 GOTO Error
:: Create temporary DEBUG script to read BIOS date> BIOSDATE.DBG ECHO D FFFF:0005 L 8
>> BIOSDATE.DBG ECHO Q
:: Create temporary batch file to display 8th "word" in a line> FFFF.BAT ECHO @ECHO OFF
>> FFFF.BAT ECHO SET BIOSDATE=%%8
:: Read BIOS date and store in temporary batch fileECHO @ECHO OFF> BIOSTEMP.BAT
DEBUG < BIOSDATE.DBG | FIND "/" >> BIOSTEMP.BAT
:: Use temporary batch files to parse output from DEBUG scriptCALL BIOSTEMP.BAT
:: Display the resultECHO.
ECHO BIOS date: %BIOSDATE%
:: Remove temporary filesDEL BIOSTEMP.BAT
DEL BIOSDATE.DBG
DEL FFFF.BAT
GOTO End
:ErrorECHO ERROR: This batch file is meant for DOS only!
ECHO.
:Endpage last modified: 2025-10-11; loaded in 0.0066 seconds