Looking for an example of a sub-function in a batch file?

Sometimes you just want a plain example of a subfunction ergo Sub-Routine in a command prompt batch file to understand how it works!

The CALL command starts a new batch file context along with any parameters specified. When the end of the second batch file is reached or when EXIT is used, control returns immediately after the first CALL statement.

Contents:

1.) ... Simple example of a sub-function (sub-routine)!
2.) ... More information about CALL calling sub-functions!

1.) Simple example of a sub-function (sub-routine)!

Here is a simple example in which a sub-function is called twice.

The sub-function multiplies two numbers and outputs the result

Below in the picture you can see: ►► the output

sub_function.bat

ECHO off

::Call under function 2 times

CALL :sub_function 2 5

CALL :sub_function 5 10

ECHO end

::Waiting for keypress

PAUSE

::END

GOTO :eof

:sub_function

SET /a result=%1*%2

ECHO %1 mul %2 is %result%

EXIT /B

GOTO jumps to a specific point or end of the batch file

Example of subfunction output in a batch file

(Image-1) Run the example batch and sub-function on MS Windows all OS!

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2.) More information about CALL calling sub-functions!

When command extensions are enabled, the CALL command is modified as follows:

The CALL command now accepts markers as jump targets. The syntax is: CALL :marker arguments

With:

call /?

Get more help on the CALL command, just practice, because practice makes perfect!

See also:

►► Using batch file to start multiple programs!
►► How can I run commands in batch files at intervals?
►► Generate random numbers in the command prompt or batch file!
►► How do I create a batch file on / for MS Windows?

FAQ 140: Updated on: 14 June 2022 06:03

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»»

My question is not there in the FAQ

Looking for an example of a sub-function in a batch file?

Sometimes you just want a plain example of a subfunction ergo Sub-Routine in a command prompt batch file to understand how it works!

1.) ... Simple example of a sub-function (sub-routine)!
2.) ... More information about CALL calling sub-functions!

1.) Simple example of a sub-function (sub-routine)!

Example of subfunction output in a batch file

2.) More information about CALL calling sub-functions!

►► Using batch file to start multiple programs!
►► How can I run commands in batch files at intervals?
►► Generate random numbers in the command prompt or batch file!
►► How do I create a batch file on / for MS Windows?

What are command prompt internal commands?

Rename JPEG to JPG via command line, but how?

Searching in files by string via command prompt?

Fast start for cmd.exe (Windows Console)?

Console command to see IP Address, how to on all Windows OS?

Delete and Overwrite permanently?

»»

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Looking for an example of a sub-function in a batch file?

Sometimes you just want a plain example of a subfunction ergo Sub-Routine in a command prompt batch file to understand how it works!

1.) ... Simple example of a sub-function (sub-routine)! 2.) ... More information about CALL calling sub-functions!

1.) Simple example of a sub-function (sub-routine)!

Example of subfunction output in a batch file

2.) More information about CALL calling sub-functions!

►► Using batch file to start multiple programs! ►► How can I run commands in batch files at intervals? ►► Generate random numbers in the command prompt or batch file! ►► How do I create a batch file on / for MS Windows?

What are command prompt internal commands?

Rename JPEG to JPG via command line, but how?

Searching in files by string via command prompt?

Fast start for cmd.exe (Windows Console)?

Console command to see IP Address, how to on all Windows OS?

Delete and Overwrite permanently?

»»

+ Freeware + Order on the PC + File management + Automation + Office Tools + PC testing tools + Decoration and fun + Desktop-Clocks + SoftwareOK Pages + Micro Staff + Freeware-1 + Freeware-2 + Freeware-3 + FAQ + Downloads

+ Top + Desktop-OK + The Quad Explorer + Don't Sleep + Win-Scan-2-PDF + Quick-Text-Past + Print Folder Tree + Find Same Images + Experience-Index-OK + Font-View-OK

1.) ... Simple example of a sub-function (sub-routine)!
2.) ... More information about CALL calling sub-functions!

►► Using batch file to start multiple programs!
►► How can I run commands in batch files at intervals?
►► Generate random numbers in the command prompt or batch file!
►► How do I create a batch file on / for MS Windows?

+ Freeware
+ Order on the PC
+ File management
+ Automation
+ Office Tools
+ PC testing tools
+ Decoration and fun
+ Desktop-Clocks

+ SoftwareOK Pages
+ Micro Staff
+ Freeware-1
+ Freeware-2
+ Freeware-3
+ FAQ
+ Downloads

+ Top
+ Desktop-OK
+ The Quad Explorer
+ Don't Sleep
+ Win-Scan-2-PDF
+ Quick-Text-Past
+ Print Folder Tree
+ Find Same Images
+ Experience-Index-OK
+ Font-View-OK