Book Image

Mastering SAP ABAP

By : Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik
Book Image

Mastering SAP ABAP

By: Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik

Overview of this book

Advanced Business Application Programming (ABAP) is an established and complex programming language in the IT industry. This book is designed to help you use the latest ABAP techniques and apply legacy constructions using practical examples. You'll start with a quick refresher on language and database concepts, followed by agile techniques for adding custom code to a modern ABAP system. After this, you will get up to speed with the complete ABAP toolset for importing data to and from different environments. Next, you'll learn how to print forms and work with the different ABAP tools for Extensible Markup Language (XML) manipulation. While covering further chapters, you'll gain insights into building stunning UI5 interfaces, in addition to learning how to develop simple apps using the Business Object Processing Framework (BOPF). You will also pick up the technique of handling exceptions and performing testing in ABAP. In the concluding chapters, you can look forward to grasping various techniques for optimizing the performance of programs using a variety of performance analysis tools. By the end of this book, you will have the expertise you need to confidently build maintainable programs in Systems, Applications, and Products (SAP).
Table of Contents (25 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

Server-side file processing


In this section, we will cover the basic transactions related to server-side files and writing and reading files to an application server. Those examples used in the loop and in the background job may be used for mass import and mass export.

Basic transactions related to server-side files

Before we start going into the ABAP code, we need to get familiar with a few useful transactions. In local environments and common operating systems, every user knows how to explore folders and view file contents. But in the case of server-side files, things are different. Of course, we talk here about a typical situation where the programmer does not have access to the server from the level of the operating system and can view files only by using the SAP GUI. The first transaction, AL11, is very important and useful. It's a SAP equivalent to Windows Explorer. Run AL11 from the Command Field in the SAP GUI. This will open the following:

 

 

In AL11, you can display server-side SAP...