OPS102 - Week 10- Lab 8-Debaditto Paul
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Dec 6, 2023
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Lab 8
OPS102 – Week 10 – Batch Shell Scripting in Windows
Due: November 17, 2023 11:59 PM
Note: The answers to this handout will
NOT
be posted or emailed to students
Student Name: Debaditto Paul
Student ID: 126074236
To create a Windows batch file (script), follow these steps:
1.
Open a text file, such as a Notepad or WordPad document.
2.
Add your commands, starting with
@echo [off]
, followed by, each in a new line,
title [title of your
batch script]
,
echo [first line]
, and
pause
.
3.
Save your file with the file extension
BAT
, for example,
test.bat
.
4.
To run your batch file,
double-click the BAT file
you just created.
5.
To edit your batch file,
right-click the BAT file
and select
Edit
Your raw file will look something like this:
Activity 1: Simple Math Script
Let's create a simple batch script where we can use of echoing, setting, and arithmetic setting.
Perform the following steps:
1.
Make certain that you are logged into your Windows by typing cmd.exe from the start button.
2.
Add the following lines to the beginning of this file using notepad:
@echo of
set
_var 1=5
set
_var2=6
echo var1 is %_var1%
echo var2 is %_var2%
set
/a
_result =%_var1%+%_var2%
echo result is %_result%
pause
3.
Use Save AS
to save the file in C:\Users\Your userID\BatchScripts and name it
simple.bat
4.
exit notepad.
5.
Issue the following on the command prompt to run the batch script:
simple.bat
Confirm that your batch script displays the correct answer.
Activity 2: CONTROL FLOW STATEMENTS
In this activity you will learn how to use
control-flow statements
to make your batch script
behave
differently
under
different situations or conditions
.
Perform the Following Steps:
1.
Make certain that you are logged into your Windows by typing cmd.exe from the start button.
2.
Add the following lines to the beginning of this file using notepad:
@echo of
If “%1”
== “” goto
:help
If “%2”
== “” goto
:help
set
/a
_result =%1*%2
echo answer is %_result%
goto :eof
:help
echo Usage:
mult X Y (Multiply X by Y)
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3.
Use Save AS
to save the file in C:\Users\Your userID\BatchScripts and name it
mult.bat
4.
exit notepad.
5.
Issue the following on the command prompt to run the batch script:
mult.bat
6.
Issue the following on the command prompt to run the batch script:
mult.bat
3 5
Confirm that your batch script displays the correct answer.
Rubric:
Activity 1: Simple Math Script (25 Marks)
Questions 1-5
5.0 marks
Activity 2: CONTROL FLOW STATEMENTS (25 Marks)
Questions 2-6
5.0 marks
Total:
50 Marks
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