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********************************************************************

*

SUBROUTINE - SFLPRC

 

 

*

*

PURPOSE

- PROCESS SUBFILE AND DISPLAY

*

********************************************************************

C

SFLPRC

BEGSR

 

 

 

C

NXTPAG

TAG

 

 

 

C

 

EXSR

SFLCLR

 

 

C

 

EXSR

SFLFIL

 

 

C

SAMPAG

TAG

 

 

 

C

 

WRITE

FOOT2

 

 

C

 

WRITE

HEAD

 

 

C

 

EXFMT

SUBCTL

 

 

C

 

IF

*IN95

 

 

C

 

IF

NOT *IN71

 

 

C

 

GOTO

NXTPAG

 

 

C

 

ELSE

 

 

 

C

 

GOTO

SAMPAG

 

 

C

 

ENDIF

 

 

 

C

 

ENDIF

 

 

 

C

 

ENDSR

 

 

 

********************************************************************

*

SUBROUTINE - SFLFIL

 

 

*

*

PURPOSE

- FILL SUBFILE

 

*

********************************************************************

C

SFLFIL

BEGSR

 

 

 

C

 

DOW

NOT *IN21

 

 

C

ZIP

READE

CMLREC2

 

71

C

 

IF

*IN71

 

 

C

 

MOVE

*ON

*IN21

 

C

 

ELSE

 

 

 

C

 

ADD

1

RECNUM

 

C

 

WRITE

SUBFILE

 

21

C

 

ENDIF

 

 

 

C

 

ENDDO

 

 

 

C

 

ENDSR

 

 

 

********************************************************************

*

SUBROUTINE - SFLCLR

 

 

*

*

PURPOSE

- CLEAR SUBFILE RECORDS

 

*

********************************************************************

C

SFLCLR

BEGSR

 

 

 

C

 

MOVE

*ON

*IN55

 

C

 

WRITE

SUBCTL

 

 

C

 

MOVE

*OFF

*IN55

 

C

 

MOVE

*OFF

*IN21

 

C

 

Z-ADD

*ZERO

RECNUM

5 0

C

 

ENDSR

 

 

 

 

 

 

 

 

Figure

184 (Part

2 of 2).

Source for module SCHZIP

 

The file description specifications identify the disk file to be sea display device file to be used (SZIPMENU). The SFILE keyword for the file identifies the record format (SUBFILE) that is to be used as relative-record-number field (RECNUM) specified controls which record with subfile is being accessed.

The program displays the PROMPT record format and waits for the worksta user's response. F3 sets on indicator 03, which controls the end of th

362 ILE RPG for AS/400 Programmer's Guide

Page 385 Page 387
Page 386
Image 386
IBM AS/400 manual Write Subctl Move OFF, ADD Zero Recnum Endsr
Page 385 Page 387

AS/400 specifications

The IBM AS/400, now known as the IBM iSeries, is a midrange computer system that has been a cornerstone of enterprise computing since its introduction in 1988. Designed to provide a robust platform for business applications, the AS/400 is celebrated for its reliability, scalability, and integrated database capabilities.

One of the key features of the AS/400 is its Integrated Operating Environment, which blends hardware and software resources seamlessly. This integration allows businesses to execute diverse workloads, ranging from traditional applications to modern web-based services, all on a single platform. The operating system, OS/400 (now IBM i), offers a rich set of APIs and tools for developers, simplifying application development and management.

Another standout characteristic of the AS/400 is its built-in database, DB2 for i. This powerful relational database management system allows for efficient data handling and provides advanced features such as support for SQL, XML, and JSON, making it easier for businesses to manage their data and integrate it with other systems. The database's tight integration with the operating system enables high performance and security.

In terms of scalability, the AS/400 can accommodate small businesses as well as large enterprises, with the ability to support hundreds of users simultaneously. Its architecture allows for easy upgrades in hardware, meaning that organizations can scale their systems without replacing the entire infrastructure.

Security is another critical attribute of the AS/400. With a sophisticated security model, it offers built-in user authentication, access control, encryption, and auditing capabilities to protect data and applications from unauthorized access.

The AS/400 also supports multiple programming languages, including RPG, COBOL, Java, and PHP, giving organizations the flexibility to choose the development tools that best fit their needs. This diversity helps maintain legacy applications while also developing new ones that leverage modern technologies.

Moreover, the platform supports both traditional green-screen interfaces and modern graphical user interfaces, allowing organizations to transition smoothly into contemporary user experience paradigms.

Overall, the IBM AS/400 stands out as a resilient, flexible, and secure computing platform that enables organizations to effectively manage their business operations, streamline processes, and adapt to changing market demands. Its unique combination of integrated features and capabilities ensures that it remains relevant in today's fast-paced technology landscape.
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