Batch: Variables

Variable is a named memory location that stores some information.

How to define a variable?

‘SET’ is a batch command used to define a variable.

Syntax

SET VARIABLE_NAME = VALUE

Example

SET firstName="Krishna"

SET age=29

How to print the value of variable?

‘echo’ command is used to print the value of variable.

Syntax

echo %VARIABLE_NAME%

C:\>SET firstName="Krishna"

C:\>SET age=29

C:\>echo %firstName%
"Krishna"

C:\>echo %age%
29

Points to note

a.   String are defined between double quotes

b.   Batch commands and variable names are case-insensitive.

C:\>echo %COUNTRY%

"India"

C:\>echo %country%

"India"

C:\>ECHO %country%

"India"

Previous                                                 Next                                                 Home