@ECHO OFF REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * CDROM.BAT, Version 1.00 * REM * Read the CD-ROM drive letter from Win9x's registry * REM * Written by Rob van der Woude * REM * * REM * Sorry, for Windows 95 and 98 only. * REM * * REM * Inspired by Tom Lavedas' batch file with the same * REM * functionality, which was adapted by Bill James, I * REM * added a second pass through the registry to skip * REM * a ZIP drive. * REM * The CHOICE trick to strip the square brackets from * REM * the registry entry's name came from "Outsider". * REM * * REM * Thanks, guys. * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * * * * * * * * * * REM * Recursive calls * REM * * * * * * * * * * IF "%1"=="Environment" GOTO Environment IF "%1"=="Loop" GOTO Loop REM * * * * * * * * * * * * * * * * * * * * * * * * REM * Make sure there is enough environment space * REM * * * * * * * * * * * * * * * * * * * * * * * * %COMSPEC% /E:2048 /C %0 Environment SET CMDLINE= CALL %TEMP%.\CDROM1.BAT GOTO Cleanup :Environment REM * * * * * * * * * * REM * Reset variables * REM * * * * * * * * * * SET CDROM= SET KEY= REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Find all registry sub-keys of HKEY_LOCAL_MACHINE\Enum\SCSI * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * START /W REGEDIT /E %TEMP%.\CDROM1.REG "HKEY_LOCAL_MACHINE\Enum\SCSI" REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Extract the registry sub-key that is NOT the ZIP * REM * drive and store it in the environment variable KEY * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * TYPE %TEMP%.\CDROM1.REG|FIND "["|FIND /V "_ZIP"|FIND /V "SCSI]"|FIND /V "&">%TEMP%.\CDROM1.TMP ECHO.>>%TEMP%.\CDROM1.TMP TYPE %TEMP%.\CDROM1.TMP|DATE|FIND "):"|FIND "[">%TEMP%.\CDROM1.BAT REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Temporary batch files VOER.BAT and TYP.BAT are for Dutch Win9x * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ECHO SET KEY=%%6>VOER.BAT ECHO SET KEY=%%4>TYP.BAT ECHO SET KEY=%%3>CURRENT.BAT CALL %TEMP%.\CDROM1.BAT REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Strip the square brackets [] from the KEY variable * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * ECHO ]|CHOICE /C:%KEY%; %0 Loop >%TEMP%.\CDROM1.BAT SET KEY= CALL %TEMP%.\CDROM1.BAT GOTO End :Second REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Find all registry sub-keys of the registry entry found earlier * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * START /W REGEDIT /E %TEMP%.\CDROM1.REG "%KEY%" REM * * * * * * * * * * * * * * * * * * * * * * * REM * Check if this really is the CD-ROM entry * REM * * * * * * * * * * * * * * * * * * * * * * * TYPE %TEMP%.\CDROM1.REG|FIND "Class"|FIND "CDROM">NUL IF ERRORLEVEL 1 GOTO NoCdRom REM * * * * * * * * * * * * * * * * * * * * * * * * REM * Read the drive letter assignment and store * REM * store it in the environment variable CDROM * REM * * * * * * * * * * * * * * * * * * * * * * * * TYPE %TEMP%.\CDROM1.REG|FIND "CurrentDriveLetterAssignment">%TEMP%.\CDROM1.TMP ECHO.>> %TEMP%.\CDROM1.TMP TYPE %TEMP%.\CDROM1.TMP|DATE|FIND "):"|FIND "Assignment">%TEMP%.\CDROM1.BAT REM * * * * * * * * * * * * * * * * * * * * * * * * REM * Make sure there is enough environment space * REM * * * * * * * * * * * * * * * * * * * * * * * * SET KEY= SET CMDLINE= REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Temporary batch files VOER.BAT and TYP.BAT are for Dutch Win9x * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ECHO SET CDROM=%%7>VOER.BAT ECHO SET CDROM=%%5>TYP.BAT ECHO SET CDROM=%%4>CURRENT.BAT CALL %TEMP%.\CDROM1.BAT REM * * * * * * * * * * * * * * * * * * REM * If variable not set, aparently * REM * no CD-ROM drive was detected * REM * * * * * * * * * * * * * * * * * * IF "%CDROM%"=="" GOTO NoCdRom REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Strip double quotes "" from the CDROM variable and create * REM * a temporary batch file to change the master environment * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ECHO @ECHO OFF>%TEMP%.\CDROM1.BAT FOR %%A IN (%CDROM%) DO ECHO SET CDROM=%%A:>>%TEMP%.\CDROM1.BAT CALL %TEMP%.\CDROM1.BAT REM * * * * * * * * * * * * REM * Display the result * REM * * * * * * * * * * * * ECHO CD-ROM drive detected, drive letter assigned is %CDROM% GOTO End :NoCdRom REM * * * * * * * * * * * * REM * Display the result * REM * * * * * * * * * * * * ECHO No CD-ROM drive detected GOTO End :Loop REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Strip the square brackets [] from the KEY variable * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * SHIFT IF "%1"=="]" GOTO Second IF NOT "%1"=="[[" SET KEY=%KEY%%1 GOTO Loop :Cleanup REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REM * Clean up the ugly mess in the TEMP directory and the environment * REM * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * SET KEY= SET CMDLINE= IF EXIST CURRENT.BAT DEL CURRENT.BAT IF EXIST TYP.BAT DEL TYP.BAT IF EXIST VOER.BAT DEL VOER.BAT IF EXIST %TEMP%.\CDROM1.* DEL %TEMP%.\CDROM1.* :End