Knowledge Walls
John Peter
Pune, Maharashtra, India
Commands
Date II Find Prompt Set Start Cls Tree
Commands [cont'd]
Powershell Type Taskkill
String manipulation
Substring Find String Find & Replace String Concat Split string by delimiter
Things to Know
Declaring variable Inline multiple statements @echo off File content to variable Present working directory Add comments and multiline comments in MS DOS Directory is Exist
Things to Know [cont'd]
Prompt value
Decision making
For Loop IF statement Goto If Else
File System
MKDir Echo. > filename.txt For each.. in RmDir
Arithmetic Operators
Arithmetic Operators + (Plus) Operator - (Minus) Operator * (Multiply) Operator / (Division) Operator %% (Mod) Operator
Relational Operators
Equals Relational operators Not equals Greater than Greater than or equals to Less than or equals to Less than
Logical Operators
AND Operator OR Operator NOT Operator
Examples
How to create template file by batch file MS DOS Commands How to add ms-dos parameters/arguments with spaces Percentage in echo ms dos escape characters How to append string in a file using MS DOS Commands How to escape characters in string using MS DOS Commands
Add comments and multiline comments in MS DOS
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REM command is used to add commands in MS DOS batach files. REM means REMARK. REM command is especially designed to give remarks or comments on the batch file or configuration files.

Syntax
REM <your remarks or comments here>
Example batch file for Single line comments
@ECHO off
REM Example program to add two numbers using a and b params

SET /p aval=Enter the a value:
SET /p bval=Enter the b value:

SET /a cval= %aval% + %bval%
ECHO. "A+B=%cval%"

SET /p exit=Press any key to exit
Output 
Multiline comments in MS DOS batch 
Escape statements using goto like below statements.

goto :my_program_comments
         Example no: 10001
         Defi: Example to add numbers in batch file
         Author: Parthasarathy B
:my_program_comments
Next Topics
Next lessons of current book.
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
Decision making of MS-DOS Commands
Decision making of MS-DOS Commands
Decision making of MS-DOS Commands
Previous Topics
Previous lessons of current book.
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
Best Lessons of "MS-DOS Commands"
Top lessons which are viewed more times.
String manipulation of MS-DOS Commands
Arithmetic Operators of MS-DOS Commands
Arithmetic Operators of MS-DOS Commands
Relational Operators of MS-DOS Commands
String manipulation of MS-DOS Commands
String manipulation of MS-DOS Commands
Examples of MS-DOS Commands
String manipulation of MS-DOS Commands
Things to Know of MS-DOS Commands
Things to Know of MS-DOS Commands
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