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
Directory is Exist in Things to Know of MS-DOS Commands
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How to check directory is exist or not exist in MS DOS batch file? 
EXIST and NOT EXIST are used to check directory is exist or not exist in the batch file. In below example explained both exist and not  exist directorys using IF statement.

Syntax
EXIST directory_path
NOT EXIST directory_path
Is directory exist
IF EXIST "updated/examples" GOTO DONT_CREATE_DIR
  statements
:DONT_CREATE_DIR
Is directory not exist
IF NOT EXIST "updated/examples" GOTO DONT_CREATE_DIR
  statements
:DONT_CREATE_DIR
Next Topics
Next lessons of current book.
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
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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