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

Removing comments from program code


In this recipe, we will see how we can use the replace statement in conjunction with a suitable regex in order to remove comments from a program. For the sake of this recipe, we assume that the program whose comments are to be removed is syntactically correct. Similar to program created for the Dynamic program generation recipe in Chapter 2, Dynamic Programming, the program for this recipe will remove all statements beginning with a asterisk (*) or all parts following a line after an inverted comma (").

Getting ready

For this recipe, we will make a copy of the program created in Chapter 2, Dynamic Programming, that reads the source code of a program specified by user input. In the previous program, we used two internal tables and used a loop at the first table itab to delete comments. For this recipe, we will replace the loop with one replace statement and use only one table that is the first internal table itab. The code of the original program is read...