Book Image

SAP ABAP Advanced Cookbook

By : Rehan Zaidi
Book Image

SAP ABAP Advanced Cookbook

By: Rehan Zaidi

Overview of this book

ABAP (Advanced Business Application Programming) is SAP's proprietary 4th Generation Language (4GL). SAP core is written almost entirely in ABAP.ABAP is a high level programming language used in SAP for development and other customization processes."SAP ABAP Advanced Cookbook"ù covers advanced SAP programming applications with ABAP. It teaches you to enhance SAP applications by developing custom reports and interfaces with ABAP programming. This cookbook has quick and advanced real world recipes for programming ABAP.It begins with the applications of ABAP Objects and ALV tips and tricks. It then covers Design Patterns and Dynamic Programming in detail.You will also learn the usage of quality improvement tools such as transaction SAT, SQL Trace, and the Code Inspector.Simple transformations and its application in Excel Downloading will also be discussed, as well as the newest topics of Adobe Interactive Forms and the consumption and creation of Web services. The book comes to an end by covering advanced usage of Web Dynpro for ABAP and the latest advancement in Floorplan Manager.
Table of Contents (22 chapters)
SAP ABAP Advanced Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Dynamic program generation


The ABAP language also allows the creation of ABAP programs at runtime. An INSERT REPORT statement may be used for creating a new program specified by the a name in the statement. Dynamic program generation should only be used when there is no alternate option.

Also, you may generate a subroutine pool using a GENERATE subroutine pool statement. A subroutine pool is generated, and is of a temporary nature. The subroutines in the pool may be called from within the generation program.

On the other hand, the programs created via the INSERT REPORT statement are permanent and overwrite any prior existing programs with the same name. Within the generation program, the new program may be called via a SUBMIT statement.

Getting ready

We will use the concepts of dynamic program generation in order to show how a simple requirement may be solved. We will take as input two program names. The code of the first program will be read and then any comments or unwanted blank lines will...