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SAP ABAP Advanced Cookbook

You're reading from   SAP ABAP Advanced Cookbook Featuring over 80 sophisticated recipes, this is a superb tutorial for ABAP developers and consultants. It teaches you advanced SAP programming using the high level language through diagrams, step-by-step instructions, and real-time examples.

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Product type Paperback
Published in Dec 2012
Publisher Packt
ISBN-13 9781849684880
Length 316 pages
Edition 1st Edition
Languages
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Author (1):
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Rehan Zaidi Rehan Zaidi
Author Profile Icon Rehan Zaidi
Rehan Zaidi
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Table of Contents (22) Chapters Close

SAP ABAP Advanced Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. ABAP Objects FREE CHAPTER 2. Dynamic Programming 3. ALV Tricks 4. Regular Expressions 5. Optimizing Programs 6. Doing More with Selection Screens 7. Smart Forms – Tips and Tricks 8. Working with SQL Trace 9. Code Inspector 10. Simple Transformations 11. Sending E-mail Using BCS Classes 12. Creating and Consuming Web Services 13. SAP Interactive Forms by Adobe 14. Web Dynpro for ABAP 15. Floorplan Manager 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...

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