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
For Loop in Decision making of MS-DOS Commands
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Hints 
For is a looping statement. It has three parts. One is initialization part, second one is condition part and another one is increment or decrement part.

Intial part will execute once. After that goes to the condition part if condition is tree then executes block of statement. After that executes increment or decrement part then moves to condition again. This looping continues till condition is getting false.
For each... in 
for %n in (1 2 3 4 5) do echo %n

Above for loop will loop five times. 1 to 5.

For commands - %n
For batch file - %%n
How to use multiple statements in batch file with For loop?
for %%n in (1 2 3 4 5) do (
echo %%n
echo N value is: %%n
- - -
set file_name=%%n )
Next Topics
Next lessons of current book.
Decision making of MS-DOS Commands
Decision making of MS-DOS Commands
Decision making of MS-DOS Commands
File System of MS-DOS Commands
File System 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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