batch script file additional information. objectives… what is a batch file? stopping a runaway...

Batch script file

Additional information

Objectives…What is a Batch File?Stopping a Runaway Batch FileCreating a Batch FileEditing a Batch FilePassing Parameters to a Batch FileCommonly used Batch File CommandsControlling other applications in Batch File

Chapter 5 adds (37 slides) CTEC 110 2

Important DOS ConceptsBatch script file

Important DOS CommandsBatch script file

copy consource of copy is the console

rem comment

pause program stops until a key is hit

echo displays back information to the console

call passes control to another batch file

choice offers user options for execution

goto transfers control to different part of batch file

if checks conditions of two or more variables

shutdown powers down Windows

taskmgr Brings up Task Manager

Chapter 5 adds (37 slides) CTEC 110 3

Objectives Create useful batch files Define the role of batch files in the DOS environment Identify different batch file commands and their use Create batch files using the DOS COPY command

List those steps required to create a file from the CONSOLE (keyboard)

Understanding how those commands work Control the execution of those commands What else can we do with batch files? Be able to reference the DOS Command Index:http://www.easydos.com/dosindex.html

Chapter 5 adds (37 slides) CTEC 110 4

What is a Batch File?

Executable programSequence of commandsTime saverOften used for automation at startup

Chapter 5 adds (37 slides) CTEC 110 5

Simple Example

Chapter 5 adds (37 slides) CTEC 110 6

Other Examples

Can be long and tedious!!Take a look at GO.BAT

On the root of the N Drive

Chapter 5 adds (37 slides) CTEC 110 7

Chapter 5 adds (37 slides) CTEC 110 8

Chapter 5 adds (37 slides) CTEC 110 9

Chapter 5 adds (37 slides) CTEC 110 10

Stopping a Runaway Batch File

Ctrl + C Stops a batch file“Terminate batch job (Y/N)?”

Answer this question with a “Y” (Yes)…

Chapter 5 adds (37 slides) CTEC 110 11

Creating a Batch File

COPY CON example.batCON stands for console (the keyboard)

whereby the commands entered into keyboard will automatically be put into the file example.bat

Ctrl + Z places an end-of-file character in the file and stores it on disk.

Can also use notepad in Windows

Chapter 5 adds (37 slides) CTEC 110 12

Creating a Simple Batch File

Make the root of the O drive your defaultType in the following commands:

COPY CON o:\look.batdirtreeCtrl + Z<enter>TYPE look.batlook.bat

Chapter 5 adds (37 slides) CTEC 110 13

Editing a Batch File

notepadFileOpenDropdown boxchoose “All Files”Select look.batAdd these commands at the end

date /ttime /t

Close and savelook.bat

Chapter 5 adds (37 slides) CTEC 110 14

Editing a Batch File

REM used for comments Comments are not acted upon

notepad look.batAdd at the beginning of the file:

REM This file was created by <Your Name>

REM On <Today’s Date>

Close and save

look.bat

Chapter 5 adds (37 slides) CTEC 110 15

Editing a Batch File

ECHO displays information back to the userECHO string of wordsECHO by itself displays a blank line

Usually displays the ECHO setting (ON or OFF)Try using a period (.) instead (put a space before)

PAUSE is for stopping the program until the user hits a key

Chapter 5 adds (37 slides) CTEC 110 16

Editing a Batch File

Go back to editing the look.bat fileChange all the REMs to ECHOsAdd PAUSE on the line between the last

ECHO and before DIR

Run the batch program againLOOK.BAT

Chapter 5 adds (37 slides) CTEC 110 17

Editing a Batch File

Go back to editing the look.bat fileAdd a PAUSE between DIR and Tree

Run the batch program againLOOK.BAT

Chapter 5 adds (37 slides) CTEC 110 18

Looking at a Real Batch File

Check out the WUGXP folder on the G drive for the batch file called GO.BATtype WUGXP\go.bat

Chapter 5 adds (37 slides) CTEC 110 19

Passing Parameters

BatchFileName 1stPar 2ndPar 3rdPar …

Parameters in file: %1 %2 %3 . . .Create NAME.BAT on the root of O Drive

COPY CON name.batECHO Your first name is %1ECHO Your last name is %2Ctrl + Z

name.bat David Sims

Chapter 5 adds (37 slides) CTEC 110 20

Passing Parameters

Create NAME.BAT on the root of O DriveCOPY CON times.bat

%1 /t

%2 /t

Ctrl + Z

times.bat date time

Chapter 5 adds (37 slides) CTEC 110 21

The ECHO command The ECHO command syntax:

ECHO [ON | OFF]ECHO [message]

Displays messages, or turns command-echoing on or off.Type ECHO without parameters to display the current echo setting

Examples:ECHO

• ECHO is on.ECHO This is a message!

• This is a message

Chapter 5 adds (37 slides) CTEC 110 22

The ECHO command

ECHO OFF - turns off the display of commands

COPY CON rems.batREM This is a comment line

ECHO OFF

REM This comment line will not be seen

CTRL + Z

rems.bat

Chapter 5 adds (37 slides) CTEC 110 23

The ECHO command

Use notepad to adjust times.batECHO OFF Add

%1 /t

%2 /t

Save and close

times.bat date time

Chapter 5 adds (37 slides) CTEC 110 24

The CALL command

The CALL command syntax:CALL [d:][path]batchfilename [options]

Calls another batch file, then returns to current batch file to continue

Example:CALL go.bat

Chapter 5 adds (37 slides) CTEC 110 25

The CALL command

Use notepad to adjust times.batECHO OFF

%1 /t

PAUSE Add

CALL o:\look.batAdd

%2 /tSave and close

times.bat date time

Chapter 5 adds (37 slides) CTEC 110 26

The CHOICE command The CHOICE command syntax:

CHOICE [/C choices] [/N] [/CS] [/T timeout /D choice] [/M text]

This tool allows users to select one item from a list of choices and returns the index of the selected choiceERRORLEVEL variable set to choice 1,2,3, etcERRORLEVEL is 0 on CTRL + CERRORLEVEL is 255 when invalid choice is made

EXAMPLES:CHOICE /?CHOICE /C YNC /M "Press Y for Yes, N for No or C for Cancel."CHOICE /T 10 /C ync /CS /D yCHOICE /C ab /M "Select a for option 1 and b for option 2."CHOICE /C ab /N /M "Select a for option 1 and b for option 2."

Chapter 5 adds (37 slides) CTEC 110 27

The CHOICE command(Second look)

The CHOICE command syntax (second look…):CHOICE [/C:[:]list of keys] [/N] [/S] [/T[:]choice,number] [text]

CHOICE is used to make batch files interactiveThe /C switch followed by set of keys and a question mark

• Default are Y and N keysThe /S switch keys must match the case of lettersThe /T switch is the number of seconds a user has to press keys

Examples:CHOICE /C:ABCDN /N /T:N,10 Format drive A:, B:, C:, D: or None?IF ERRORLEVEL 1 SET DRIVE=drive A:IF ERRORLEVEL 2 SET DRIVE=drive B:IF ERRORLEVEL 3 SET DRIVE=drive C:IF ERRORLEVEL 4 SET DRIVE=drive D:IF ERRORLEVEL 5 SET DRIVE=NoneECHO You chose to format %DRIVE%

Format drive A:, B:, C:, D: or None?

Chapter 5 adds (37 slides) CTEC 110 28

The GOTO command

The GOTO command syntax:GOTO (label)

Transfer control to a labeled lineThe LabeledLine needs to have a “:” as the first character and no spaces

Example:echo off:START LabeledLineecho This is an infinite loop goto START

Chapter 5 adds (37 slides) CTEC 110 29

The GOTO command

Create a batch file called infinite.batECHO OFF

:START

ECHO This is an infinite loop

GOTO STARTSave and Close infinite.bat

Infinite.bat (execute the batch file)

Chapter 5 adds (37 slides) CTEC 110 30

The IF command

COPY CON SecretWord.batECHO offIF not linux==%1 GOTO MESSAGEECHO you guessed the right wordGOTO END:MESSAGEECHO you made a bad guess:END

SecretWord.bat linux

Chapter 5 adds (37 slides) CTEC 110 31

Calling Other Programs

Shutdown (Has a variety of options)

Display a Graphical User InterfaceLogoffShutdown ComputerShutdown and Restart ComputerForce Running Applications to close

Taskmgr (Starts up the Windows Task Manager)

Will start up the Task ManagerGood for troubleshooting Windows

Chapter 5 adds (37 slides) CTEC 110 32

shutdown -l

Chapter 5 adds (37 slides) CTEC 110 33

Calling Other Programs

Try to run some of the following commands on your own…Some of these may take some time to

completeIt is best to understand what they do before

attempting to execute them!!!

Chapter 5 adds (37 slides) CTEC 110 34

Chapter 5 adds (37 slides) CTEC 110 35

calc Calculatorcleanmgr.exe Disk Cleanupcompmgmt.msc Computer Managementdesk.cpl opens the display propertiesdevmgmt.msc Device Managerdiskmgmt.msc Disk Managementeventvwr Windows Event Log (Event Viewer)explorer . Open explorer with the current folder

selected.firewall.cpl Opens the Windows Firewall settingslusrmgr.msc Local Users and Groups Administratormmsys.cpl Sound/Recording/Playback propertiesmstsc.exe Remote Desktop Connectionperfmon Opens Reliability and Performance

Monitorpowercfg.cpl Power management control panel appletregedit Registry Editor

Chapter 5 adds (37 slides) CTEC 110 36

runas Run specific tools and programs with different permissions than the user's current logon provides

schtasks Enables an administrator to create, delete, query, change, run and end scheduled tasks on a local or remote system.

secpol.msc Local Security Settingsservices.msc Services control panelsysteminfo Displays a comprehensive information

about the systemtasklist.exe List Processes on local or a remote

machinewhoami /all Display Current User/Group/Privilege

Informationwinver.exe Find Windows Versionwscui.cpl Windows Security Center

END of Additional Information

HOMEWORK

Lab 4DOS Quiz 4

Chapter 5 adds (37 slides) CTEC 110 37