MS DOS Command: CALL

Reference from Microsoft MS-DOS cmd help

Description

Calls one batch program from another without causing the first batch program to stop.

Syntax

CALL [drive:][path]filename [batch-parameters]

Parameters

[drive:][path]filename	Specifies the location and name of the batch program you want to call. Filename must have a .BAT extension.
batch-parameters	Specifies any command-line information required by the batch program.

Remarks

Using batch-parameters

Batch-parameters can contain any information that you can pass to a batch program, including switches, filenames, the replaceable parameters %1 through %9, and environment variables such as %baud%.

Using pipes and redirection symbols

Do not use pipes ("|") and redirection symbols ("<<","<",">", and ">>") with the CALL command.

Making a recursive call

You can create a batch program that calls itself; however, you must provide an exit command. Otherwise, the parent and child batch programs can loop endlessly.

Examples

To run the CHECKNEW.BAT program from another batch program, include the following command in the parent batch program:

call checknew

Suppose the parent batch program accepts two replaceable parameters and you want it to pass those parameters to CHECKNEW.BAT. You can use the following command in the parent batch program:

call checknew %1 %2