Variables?

[mattst88]

What are some more variables for batch files?

I know of :

$systemdrive%

%windir%

What else is there? Is there one for a CD drive?

[MasterControl]

ALLUSERSPROFILE

Local returns the location of the All Users Profile.

APPDATA

Local returns the location where applications store data by default.

CD

Local returns the current directory string.

CMDCMDLINE

Local returns the exact command line used to start the current cmd.exe.

CMDEXTVERSION

System returns the version number of the current Command Processor Extensions.

COMPUTERNAME

System returns the name of the computer.

COMSPEC

System returns the exact path to the command shell executable.

DATE

System returns the current date. This variable uses the same format as the date /t command. Cmd.exe generates this variable. For more information about the date command, see the Date command.

ERRORLEVEL

System returns the error code of the most recently used command. A non-0 value usually indicates an error.

HOMEDRIVE

System returns which local workstation drive letter is connected to the user's home directory. This variable is set based on the value of the home directory. The user's home directory is specified in Local Users and Groups.

HOMEPATH

System returns the full path of the user's home directory. This variable is set based on the value of the home directory. The user's home directory is specified in Local Users and Groups.

HOMESHARE

System returns the network path to the user's shared home directory. This variable is set based on the value of the home directory. The user's home directory is specified in Local Users and Groups.

LOGONSEVER

Local returns the name of the domain controller that validated the current logon session.

NUMBER_OF_PROCESSORS

System specifies the number of processors installed on the computer.

OS

System returns the OS name. Windows XP and Windows 2000 display the OS as Windows_NT.

PATH

System specifies the search path for executable files.

PATHEXT

System returns a list of the file extensions that the OS considers to be executable.

PROCESSOR_ARCHITECTURE

System returns the processor's chip architecture. Values: x86, IA64.

PROCESSOR_IDENTFIER

System returns a description of the processor.

PROCESSOR_LEVEL

System returns the model number of the computer's processor.

PROCESSOR_REVISION

System returns the revision number of the processor.

PROMPT

Local returns the command-prompt settings for the current interpreter. Cmd.exe generates this variable.

RANDOM

System returns a random decimal number between 0 and 32767. Cmd.exe generates this variable.

SYSTEMDRIVE

System returns the drive containing the Windows root directory (i.e., the system root).

SYSTEMROOT

System returns the location of the Windows root directory.

TEMP or TMP

System and User return the default temporary directories for applications that are available to users who are currently logged on. Some applications require TEMP and others require TMP.

TIME

System returns the current time. This variable uses the same format as the time /t command. Cmd.exe generates this variable. For more information about the time command, see the Time command.

USERDOMAIN

Local returns the name of the domain that contains the user's account.

USERNAME

Local returns the name of the user currently logged on.

USERPROFILE

Local returns the location of the profile for the current user.

WINDIR

System returns the location of the OS directory

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