TITLE:              Sample Configuration and Batch Processing Fil
DOCUMENT ID:        TID14918
DOCUMENT REVISION:  1
DATE:               27FEB94
ALERT STATUS:       Yellow
README FOR:         NA

NOVELL PRODUCT and VERSION:
Novell DOS 7

ABSTRACT:
NA

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IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
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ISSUE:

NOVELL DOS 7 has greatly enhanced CONFIG and BATCH commands.  This
document provides examples of how these various commands can be used. 
For more information on batch file commands and syntax refer to
DOSBOOK, the NOVELL DOS 7 online User Guide.  Also reading the
following chapters from DOSBOOK would be particularly helpful:

     Chapter 7, "Batch Processing"
     Chapter 8, "Command Reference"
     Chapter 9, "Configuring the System"

Batch commands that were added since DR DOS 6.0 are the following:

?         Allows a yes or no branch in the same manner as the "?" in
the DR DOS 6.0 CONFIG.SYS command.

DIREXIST  Added to evaluate whether a directory exists.

CHOICE    Returns an error level for evaluation.

Only the basic ideas are outlined in each example that follows.  A
batch file that illustrates the new NOVELL DOS 7 commands and their
use is at the end of this document.

EXAMPLE 1 - THE USE OF GOTO IN THE CONFIG.SYS FILE

?"Do you want to run QEMM (y/n)? " goto QEMM
?"Do you want to run MemoryMAX (y/n)? " goto NWDOS

:QEMM
DEVICE=C:\QTR_DECK\QEMM386.SYS
DEVICE=C:\NWDOS\HIMEM.SYS
(additional QEMM driver lines go here...)
goto COMMON

:NWDOS
DOS=UMB
DEVICE=C:\NWDOS\EMM386.EXE /F=AUTO...
...

:COMMON
files=40
buffers=20

The GOTO statement is used to proceed directly to a label.  This
function works similar to the GOTO statement found in batch file
processing.

EXAMPLE 2 - THE USE OF CHAIN IN THE CONFIG.SYS FILE

This example shows that you can link to other files that hold your
configurations for each system setup.  In the following CONFIG.SYS
file, the two lines direct the configuration process to the QCONFIG
and MCONFIG.SYS files.  The appropriate FILES, BUFFERS, and so forth,
information is contained within those files and not within the main
CONFIG.SYS file.  If the response to both questions is no, a default
configuration begins.  The RETURN command cannot be used to return to
the parent CONFIG.SYS file.

?"Do you want to run QEMM (y/n)? " chain=QCONFIG.SYS
?"Do you want to run MemoryMAX (y/n)? " chain=MCONFIG.SYS
files=40
buffers=20

EXAMPLE 3 - USING "?" IN BATCH FILES

When you run a batch file containing a "?" statement, a response to
the prompt is required by the user before processing continues.

Please note that the maximum length of a batch file statement
(including the ?) is 128 characters.

The following statement in a batch file causes the system to prompt
the user before deleting all the files with the extension .OLD from
C:\ACCOUNTS:

?DEL C:\ACCOUNTS\*.OLD

So, when the file executes, the user sees the following prompt:

DEL C:\ACCOUNTS\*.OLD (Y/N) ?

If the user answers Y, the DEL command is run and the files are
deleted.  If the user answers N, the command is ignored and the next
line in the batch file is processed.

EXAMPLE 4 - USING SWITCH/RETURN AND LABELS

Processing pauses on the SWITCH command until an option is chosen. 
The appropriate option is selected by choosing a number.  The SWITCH
command then goes to the corresponding label.  In the following
example, 1 selects the label :XMS, 2 selects the label :EMS, and so
forth. The RETURN command will return processing to the line after
SWITCH.  Notice the use of the ECHO statement for setting up the menu
options.

ECHO =        Choose which Memory you want and how to use it
ECHO =
ECHO =          1 (or ENTER)    XMS Memory
ECHO =          2               EMS Memory
ECHO =          3               DPMI ON, XMS
ECHO =          4               DPMI ON, EMS
ECHO =
ECHO =         Make your selection...

SWITCH XMS, EMS, DPMI_ON1, DPMI_ON2
GOTO DEFAULTS

:XMS
DEVICE=C:\NWDOS\EMM386.EXE /F=NONE /R=AUTO
RETURN

:EMS
DEVICE=C:\NWDOS\EMM386.EXE /F=AUTO /R=AUTO
RETURN

:DPMI_ON1
DEVICE=C:\NWDOS\EMM386.EXE /F=NONE /R=AUTO /DPMI=ON
RETURN

:DPMI_ON2
DEVICE=C:\NWDOS\EMM386.EXE /F=AUTO /R=AUTO /DPMI=ON
RETURN

:DEFAULTS
SHELL=C:\COMMAND.COM \C: /P /E:512
BUFFERS=20
FILES=30
DEVICEHIGH=C:\NWDOS\DPMS.EXE
etc...

EXAMPLE 5 - HOW TO USE ENVIRONMENT VARIABLES IN THE CONFIG.SYS

The use of variables in the CONFIG.SYS file is not quite the same as
in batch files.  Because the command processor (COMMAND.COM) is not
loaded until after the command in the CONFIG.SYS file have been
processed, the environment variables are only stored.  These
variables are then passed to the command processor, where they can be
tested and processed through the AUTOEXEC.BAT file or other batch
files.  Testing an environment variable is not possible in the
CONFIG.SYS file.  The CLS, CPOS, EXIT and SET commands are featured
in this example:

:DEFAULTS
SHELL=C:\COMMAND.COM \C: /P /E:512
BUFFERS=20
FILES=30
etc....

ECHO = Choose which TSRs and Utilities you want loaded at BOOT
ECHO = time for this session.
ECHO =
ECHO =         1 (or ENTER)   None... just continue
ECHO =         2              Mouse & Cursor Drivers
ECHO =         3              Keyboard "Speeder"
ECHO =         4              Novell Network
ECHO =         5              Done with selections
ECHO =
ECHO =         Make your selection...

:MORE
CPOS 10,33
SWITCH NOTHING, CURSMOUS, SPEEDKEY, NOVELL, DONE
GOTO MORE

:NOTHING
:DONE
CLS
EXIT

:CURSMOUS
SET THINGS=ON
RETURN

:SPEEDKEY
SET SPEEDKEY=ON
RETURN

:NOVELL
SET NETWORK=ON
RETURN

The AUTOEXEC.BAT file now allows testing of the environment variables
and executes commands based upon the conditionals illustrated below:

@ECHO OFF
VERIFY OFF
PATH C:\;C:\NWDOS;C:\BATS;C:\TOOLS;C:\WINDOWS
if "%things%"=="on" prompt
  $e[s$e[0;70H$e[1;36m$t$e[u$e[1;36mDRDOS6$p$g$e[2;32m
if not "%things%"=="on" PROMPT [NOVELL DOS 7] $P$G
SET TEMP=C:\TEMP
IF NOT "%TEMP%"=="" MD %TEMP% >NUL
if "%things%"=="on" LH MOUSE
if "%things%"=="on" LH CURSOR /s10
if "%speedkey%"=="on" c:\nwdos\mode con:rate=30 delay=1
if "%network%"=="on" LH c:\lan\ipx
if "%network%"=="on" LH c:\lan\net3

EXAMPLE 6 - THE CHOICE COMMAND IN BATCH FILES

The CHOICE command is an external program that returns an ERRORLEVEL
for certain preselected keys.  They can then be tested with IF to
make branches in a batch file.  Up to 99 different errors can be
returned.  Three lines were used to create this example:

CHOICE /C:XY Select X or Y for a message ...
CLS
IF ERRORLEVEL 2 ECHO MESSAGE: CHOICE RETURNED AN ERRORLEVEL OF 2
IF ERRORLEVEL 1 ECHO MESSAGE: CHOICE RETURNED AN ERRORLEVEL OF 1

The switch /C:XY instructs choice to use the keys X and Y.  They are
not case sensitive.  The letter X will be errorlevel 1 and Y will be
errorlevel 2.

The remaining text is the displayed message.   Because you chose the
letter Y you actually received two messages.  This points out one of
the tricks to using ERRORLEVEL.  When the ERRORLEVEL is tested, a
logic is used that considers the statement to be true if the value is
equal to or greater than the returned error.

In the example used here:  ERRORLEVEL=2 (letter Y), is true so the
message is displayed.  The second statement IF ERRORLEVEL 1 is also
true (because the returned value of 2 is greater than or equal to 1)
so the message is displayed.

You should always perform the IF tests beginning with the highest
ERRORLEVEL first.  This is because the IF evaluates the statement
based on whether the returned value is equal or greater than the IF
statement.

In the example used here:  ERRORLEVEL=1 (letter X).  The first
statement IF ERRORLEVEL 2 is FALSE, so the message is not displayed. 
The second statement IF ERRORLEVEL 1 is true so the message is
displayed.

This example used an ECHO; however, a GOTO works best on ERRORLEVEL. 
This prevents you from going to the next IF ERRORLEVEL (which is 0
and will also be true).  The syntax for the GOTO is:

IF ERRORLEVEL 2 GOTO label2
IF ERRORLEVEL 1 GOTO label1

:label2
ECHO = CHOICE RETURNED AN ERRORLEVEL OF 2

:label1
ECHO = CHOICE RETURNED AN ERRORLEVEL OF 1

EXAMPLE 7 - DIREXIST IN THE IF COMMAND

This command when used with IF will check to see if a directory
exists:

     IF DIREXIST F:\ GOTO [:label]

The DIREXIST command can be used to test for the existence of drives
such as DISK's as well as any subdirectory on a disk.  All disk drive
have a root directory, so testing for F:\ (as in this example) will
test for the existence of the drive as well as the directory. 
Network drives can be tested.

OTHER EXAMPLES

1.   Selecting different configuration options from the CONFIG.SYS
file using the ? command.

     ?SHELL=C:\COMMAND.COM C:\ /P /E:512
     ?SHELL=C:\COMMAND.COM C:\ /P /E:1024
     ?BREAK=OFF
     ?BREAK=ON
     BUFFERS=20
     FILES=20
     ?HISTORY=ON, 256, ON, OFF, OFF
     ?DEVICE=C:\NWDOS\ANSI.SYS

2.   Selecting different AUTOEXEC.BAT's from CONFIG.SYS using the ?
and the SHELL statement.  In the SHELL statement the /P switch can be
followed by a file name.  When present, the named file will be
executed instead of the AUTOEXEC.BAT file.  The named file must have
a .BAT extension and cannot exceed 11 characters including path.

     ?"Default Autoexec? (y/n) "SHELL=C:\COMMAND.COM C:\ /P /E:256
?"Alternate Autoexec? (y/n) "SHELL=C:\COMMAND.COM C:\ /P:ALTERNAT.BAT
/E:256

3.   Selecting and using different configuration files from
CONFIG.SYS at bootup.

     ?"Do you want to run Windows? (y/n) " chain = WCONFIG.SYS
     ?"Do you want to use QEMM? (y/n) " chain = QCONFIG.SYS
     ?"Do you want to use MemoryMAX? (y/n) " chain = MCONFIG.SYS
     ?"Do you want to use 386MAX? (y/n) " chain = 386CONF.SYS

     Each line is printed on the screen and you are asked to load and
run the chained configuration file.  Each configuration file is a
complete CONFIG.SYS type file with all the appropriate options.

4.   The above configuration using "menu" choices with SWITCH.  Note
how the "SET environment" variables can be used and tested for
different AUTOEXEC type files in this example.

     CONFIG.SYS

     ECHO =    1  For Windows Configuration
     ECHO =    2  For QEMM Configuration
     ECHO =    3  For NOVELL DOS 7 MemoryMAX Configuration
     ECHO =    4  For 386MAX Configuration
     ECHO =    5  For no Configuration... just exit
     SWITCH win, qemm, memm, 386m, none
     :none

     set autoexec=norm
     exit

     :win
     set autoexec=win
     chain=wconfig.sys

     :qemm
     set autoexec=qemm
     chain=qconfig.sys

     :memm
     set autoexec=memm
     chain=mconfig.sys

     :386m
     set autoexec=386m
     chain=386conf.sys

     AUTOEXEC.BAT

     @echo off
     PATH C:\NWDOS;C:\;C:\UTIL;
     VERIFY OFF
     PROMPT $P$G
     DISKMAP C: D:
     IF "%autoexec%"=="norm" goto NWDOSEXIT
     SHARE /L:40
     IF "%autoexec%"=="win" SUPERPCK /EM /L:2048
     IF "%autoexec%"=="qemm" CALL QEMM.BAT
     IF "%autoexec%"=="memm" SUPERPCK  /A /L:2048
     IF "%autoexec%"=="386m" CALL 386.BAT
     :NWDOSEXIT

5.   Using ANSI

     ANSI escape sequences can be used in batch file processing to
create colorful menus.  Below is an example of a menu that uses the
SWITCH command and ANSI escape sequences to create a menu.  ANSI.SYS
must be loaded in the CONFIG.SYS file to allow for cursor positioning
and colors.

     The first character after the Echo statement is an ASCII 27 or
escape character.  This character may be displayed differently on
some printers and monitors (in fact if you have ANSI loaded you will
never see the character when typed to the screen).

     To type this character using the NOVELL DOS 7 EDIT, press the
<Ctrl>+<P> then the ESC key.  An alternate method is to press
<CTRL>+Q then the N key and then type the number 27.  Within EDIT,
the ESC character will appear as:  ^[.

     If you have downloaded this document from CompuServe or the
Novell Desktop System Group BBS, the escape sequences have been left
intact and you can use the NOVELL DOS 7 EDIT to block out the Echo
statements to a file.  Then, if ANSI is loaded when the file is typed
to the screen, you should see white letters on a magenta background.

     For additional information on ANSI.SYS and escape sequences,
refer to Chapter 9 of DOSBOOK, the NOVELL DOS 7 online User Guide.

     @ECHO OFF
     ECHO   [0;1;37;45m---------------------------------[0m
     ECHO   [1;37;45m      1. CONTINUE W/O SCAN         [0m
     ECHO   [1;37;45m      2. SCAN FOR VIRUSES          [0m
     ECHO   [1;37;45m                                   [0m
     ECHO   [40;1;37m-----------------------------------[0m
     SWITCH MENUBEGIN,SCAN

SAMPLE.BAT

If you have gotten this file from CompuServe or the NOVELL Desktop
Systems Group BBS, you can run this sample batch file.

Starting on the next line, mark a block to the end of file (excluding
any word processor control characters) and write the block to a new
file called SAMPLE.BAT.  From the command prompt SAMPLE will run the
file.

CLS
@ECHO OFF

REM EXAMPLE1 ******************************************
ECHO This batch file demonstrates some of the unique
ECHO features of Novell DOS batch commands.
ECHO.
ECHO.
ECHO The first example tests to make sure you are using
ECHO Novell DOS.  It uses an IF statement.  The IF
ECHO tests for an environment variable called OS.
ECHO Press a key to begin.
PAUSE>NUL
ECHO.
ECHO The Operating System variable indicates "%OS%".

IF NOT "%OS%"=="NWDOS" GOTO WRONGDOS

ECHO This means that the current operating system
ECHO is Novell DOS.
ECHO.
ECHO Below is the line that was used in the batch file:
ECHO.
ECHO IF NOT "%%OS%%"=="NWDOS" GOTO WRONGDOS
ECHO.
ECHO The environment table contains the line: OS=%OS%.
ECHO This was inserted automatically by Novell DOS.
ECHO The batch processor replaces "%%OS%%" with "%OS%"
ECHO from the environment table.  Since "%OS%" is
ECHO equal to "NWDOS", the statement is false and the
ECHO GOTO is not executed.
ECHO.
ECHO IF statements are only executed if TRUE.  The
ECHO logic of the above statement can be confusing
ECHO because at first glance it looks true.  However,
ECHO the NOT portion reverses the statement to
ECHO something like "IF "%OS%" IS NOT EQUAL TO
ECHO "NWDOS" THEN GOTO WRONGDOS."  Press any key when
ECHO you are ready to continue.
PAUSE>NUL
CLS

REM EXAMPLE2 ******************************************
ECHO.
ECHO This next example is the CHOICE command.
ECHO.

CHOICE /C:XY Select X or Y for a message ...
CLS
IF ERRORLEVEL 2 ECHO MESSAGE: CHOICE RETURNED AN ERRORLEVEL OF 2
IF ERRORLEVEL 1 ECHO MESSAGE: CHOICE RETURNED AN ERRORLEVEL OF 1

ECHO.
ECHO The CHOICE command is an external program that
ECHO returns an ERRORLEVEL for certain preselected keys.
ECHO They can then be tested with IF to make branches
ECHO in a batch file.  Up to 99 different errors can be
ECHO returned.  Three lines were used to create this
ECHO example:
ECHO.
ECHO CHOICE /C:XY Select X or Y for a message ...
ECHO IF ERRORLEVEL 2 ECHO MESSAGE: CHOICE RETURNED
ECHO AN ERRORLEVEL 2 IF ERRORLEVEL 1 ECHO
ECHO MESSAGE: CHOICE RETURNED AN ERRORLEVEL 1
ECHO.
ECHO The switch /C:XY tells choice to use the
ECHO keys X and Y. They  are not case sensitive.
ECHO The letter X will be errorlevel 1 and
ECHO Y will be errorlevel 2.  The remaining text
ECHO is the displayed message.
ECHO.

IF ERRORLEVEL 2 ECHO Because you chose the letter Y you actually
received two messages.
IF ERRORLEVEL 2 ECHO This points out one of the tricks to using
ERRORLEVEL. When the
IF ERRORLEVEL 2 ECHO ERRORLEVEL is tested a logic is used that
considers the statement to be
IF ERRORLEVEL 2 ECHO true if the value is equal to or greater than
the returned error.  In the
IF ERRORLEVEL 2 ECHO example used here: ERRORLEVEL=2 (letter Y),
IF ERRORLEVEL 2 ECHO is true so the message is displayed. The second
statement
IF ERRORLEVEL 2 ECHO IF ERRORLEVEL 1 is also true (because the
returned value of 2 is greater
IF ERRORLEVEL 2 ECHO than or equal to 1) so the message is displayed.
IF ERRORLEVEL 2 GOTO ERROR2

IF ERRORLEVEL 1 ECHO You should always perform the IF tests beginning
with the highest
IF ERRORLEVEL 1 ECHO ERRORLEVEL first.  This is because the IF
evaluates the statement based
IF ERRORLEVEL 1 ECHO on whether the returned value is equal or
greater than the IF statement.
IF ERRORLEVEL 1 ECHO In the example used here:  ERRORLEVEL=1 (letter
X).  The first statement
IF ERRORLEVEL 1 ECHO IF ERRORLEVEL 2 is FALSE so the message is not
displayed. The second
IF ERRORLEVEL 1 ECHO statement IF ERRORLEVEL 1 is true so the message
is displayed.  This
IF ERRORLEVEL 1 ECHO example used an ECHO but a GOTO works best on
ERRORLEVEL.  This prevents
IF ERRORLEVEL 1 ECHO you from going to the next IF ERRORLEVEL (which
is 0 and will also be
IF ERRORLEVEL 1 ECHO true).  EDIT this batch file to see how the
tests are performed.

:ERROR2
pause
CLS

REM EXAMPLE3 ******************************************

ECHO.
ECHO Next is a check to see if a directory exists. Novell
ECHO DOS has a command called DIREXIST. This command
ECHO when used with IF will check to see if the
ECHO directory F:\ exists.  Press any key to begin.
PAUSE>NUL

IF DIREXIST F:\ GOTO EXIST
CLS
ECHO.
ECHO The directory does not exist!
ECHO The command was:
ECHO.
ECHO IF DIREXIST F:\ GOTO EXIST
ECHO.
ECHO The directory did not exist, so the GOTO was
ECHO not executed.
ECHO.
ECHO The DIREXIST command can be used to test for the
ECHO existence of drives such as VDISK's as well as any
ECHO subdirectory on a disk. All disk drive have a root
ECHO directory so testing for F:\ (as in this example)
ECHO will test for the existence of the drive as well
ECHO as the directory.  Network drives can be tested.
GOTO EXAMPLE4

:EXIST
CLS
ECHO.
ECHO The directory exists!
ECHO The command was:
ECHO.
ECHO IF DIREXIST F:\ GOTO EXIST
ECHO.
ECHO The directory does exist, so the GOTO was
ECHO performed.
ECHO.
ECHO The DIREXIST command can be used to test for the
ECHO existence of drives such as VDISK's as well as any
ECHO subdirectory on a disk.  All disk drives have a
ECHO root directory so testing for F:\ (as in this
ECHO example) will test for the existence of the drive
ECHO as well as the directory.  Network drives can
ECHO be tested and in fact F:\ may be one of your
ECHO network drives.
ECHO.

REM EXAMPLE4 ******************************************

:EXAMPLE4
ECHO Press any key to continue
PAUSE>NUL
CLS
ECHO The SWITCH command can be used in both Batch
ECHO files and Config files. It waits for a number
ECHO to be entered and then performs a GOSUB.  The
ECHO TIMEOUT command used in the CONFIG.SYS file
ECHO will result in the first option being chosen.
ECHO Also, the ENTER key will also be accepted as
ECHO the first option.
ECHO.
ECHO   Select 1 or 2
ECHO.
ECHO Option 1 has a RETURN. Option 2 does not have
ECHO a RETURN and functions like a GOTO.
ECHO.

SWITCH LABEL1,LABEL2
ECHO.
ECHO This is the RETURN.
GOTO PRELUDE1

:LABEL1
CLS
ECHO This is the first switch!
RETURN

:LABEL2
CLS
ECHO This is the second switch!
ECHO.
ECHO The SWITCH lines looked like this:
ECHO          SWITCH LABEL1,LABEL2
ECHO          ECHO.
ECHO          ECHO This is the RETURN.
ECHO          GOTO PRELUDE1
ECHO.
ECHO          :LABEL1
ECHO          ECHO This is the first switch!
ECHO          RETURN
ECHO.
ECHO          :LABEL2
ECHO          ECHO This is the second switch!
ECHO          etc...
ECHO.
ECHO          :PRELUDE1
ECHO.
ECHO You selected the key 2 so SWITCH did a GOSUB
ECHO to the label :LABEL2.  There was no RETURN in
ECHO LABEL2 so it continued to the LABEL, PRELUDE1.
ECHO Press any key to continue.
PAUSE>NUL
GOTO EXAMPLE5

:PRELUDE1
ECHO.
ECHO The SWITCH lines looked like this:
ECHO          SWITCH LABEL1,LABEL2
ECHO          ECHO.
ECHO          ECHO This is the RETURN.
ECHO          GOTO PRELUDE1
ECHO.
ECHO          :LABEL1
ECHO          ECHO This is the first switch!
ECHO          RETURN
ECHO.
ECHO          :LABEL2
ECHO          ECHO This is the second switch!
ECHO          etc...
ECHO.
ECHO          :PRELUDE1
ECHO.
ECHO You selected the key 1 so SWITCH did a GOSUB to
ECHO the label :LABEL1. The RETURN brought it back
ECHO to the line immediately after the SWITCH.
ECHO Press any key to continue.
PAUSE>NUL

REM EXAMPLE5 ******************************************

:EXAMPLE5
CLS
ECHO This example displays some of the System
ECHO Information Variables (SIV's).  The SIV's are
ECHO special variables that can be used in batch
ECHO files to help control execution or just to make
ECHO the OS "friendlier".  Press any key to continue.
PAUSE>NUL
ECHO.
ECHO Good %Greeting_Time%.  The current computer time
ECHO is %Hour24%:%Minute%:%Second%.
ECHO.
ECHO Today's date is %Month_Name% %Day%, %Year%.
ECHO.
IF NOT "%Login_Name%"=="" ECHO You are logged into the Network as
%Login_Name%.
ECHO.
IF NOT "%Station%"=="" ECHO You are attached to station %Station%.
ECHO.
GOTO END

:WRONGDOS
ECHO.
ECHO If you were running Novell DOS the OS variable
ECHO would return "NWDOS."  Since all of the tests
ECHO performed by this batch file need Novell DOS
ECHO to work correctly this batch program will now
ECHO stop.  Please try again when Novell DOS is running.
ECHO.

:END
ECHO Thanks for running this Sample batch file.
ECHO Please feel free to explore the contents of the
ECHO file.  The examples displayed in this file are
ECHO fairly straightforward.  Much more sophisticated
ECHO batch files can be easily made. Experiment!

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