What is the use of PGM and ENDPGM in CL program

PGM and ENDPGM in CL program:
 
In this blog post, we will see what is the use of PGM and ENDPGM commands in a CL program. First, we will start with the PGM command.
 
PGM Command:

• In general, the PGM command is written to identify the beginning of a CL program.

• Example:

PGM Command

• It is an optional command but becomes mandatory only when we are receiving parameters from external programs.

• It is mandatory to specify the parameter in the PGM command if the program accepts input parameters.

• Example:
•  In the below program, we are accepting 2 parameters from the calling program. So it is a must to specify in the PGM command.

Parameters in PGM command

• Here &name and &age are parameters from the calling program.

ENDPGM Command

• ENDPGM is written to identify the end of a CL program.

• This is also an optional command. 

• Example:

ENDPGM command