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  • Broschiertes Buch

Shell scripting skills never go out of style. It's the shell that unlocks the real potential of Unix. Shell scripting is essential for Unix users and system administrators-a way to quickly harness and customize the full power of any Unix system. With shell scripts, you can combine the fundamental Unix text and file processing commands to crunch data and automate repetitive tasks. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards. Classic Shell Scripting is written to help you reliably navigate these tricky waters.
Writing shell scripts
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Produktbeschreibung
Shell scripting skills never go out of style. It's the shell that unlocks the real potential of Unix. Shell scripting is essential for Unix users and system administrators-a way to quickly harness and customize the full power of any Unix system. With shell scripts, you can combine the fundamental Unix text and file processing commands to crunch data and automate repetitive tasks. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards. Classic Shell Scripting is written to help you reliably navigate these tricky waters.

Writing shell scripts requires more than just a knowledge of the shell language, it also requires familiarity with the individual Unix programs: why each one is there, how to use them by themselves, and in combination with the other programs. The authors are intimately familiar with the tips and tricks that can be used to create excellent scripts, as well as the traps that can make your best effort a bad shell script. With Classic Shell Scripting you'll avoid hours of wasted effort. You'll learn not only write useful shell scripts, but how to do it properly and portably.The ability to program and customize the shell quickly, reliably, and portably to get the best out of any individual system is an important skill for anyone operating and maintaining Unix or Linux systems. Classic Shell Scripting gives you everything you need to master these essential skills.
  • Produktdetails
  • Verlag: O'Reilly Media
  • Seitenzahl: 560
  • Erscheinungstermin: Januar 2016
  • Englisch
  • Abmessung: 233mm x 177mm x 35mm
  • Gewicht: 803g
  • ISBN-13: 9780596005955
  • ISBN-10: 0596005954
  • Artikelnr.: 12271265
Autorenporträt
Arnold Robbins, an Atlanta native, is a professional programmer and technical author. He has worked with Unix systems since 1980, when he was introduced to a PDP-11 running a version of Sixth Edition Unix. He has been a heavy AWK user since 1987, when he became involved with gawk, the GNU project's version of AWK. As a member of the POSIX 1003.2 balloting group, he helped shape the POSIX standard for AWK. He is currently the maintainer of gawk and its documentation. He is also coauthor of the sixth edition of O'Reilly's Learning the vi Editor. Since late 1997, he and his family have been living happily in Israel. Nelson Beebe is a long time Unix user and system administrator, and has helped for years on Usenet newsgroups.
Inhaltsangabe
Foreword
Preface
Chapter 1: Background
Chapter 2: Getting Started
Chapter 3: Searching and Substitutions
Chapter 4: Text Processing Tools
Chapter 5: Pipelines Can Do Amazing Things
Chapter 6: Variables, Making Decisions, and Repeating Actions
Chapter 7: Input and Output, Files, and Command Evaluation
Chapter 8: Production Scripts
Chapter 9: Enough awk to Be Dangerous
Chapter 10: Working with Files
Chapter 11: Extended Example: Merging User Databases
Chapter 12: Spellchecking
Chapter 13: Processes
Chapter 14: Shell Portability Issues and Extensions
Chapter 15: Secure Shell Scripts: Getting Started
Appendix A: Writing Manual Pages
Appendix B: Files and Filesystems
Appendix C: Important Unix Commands
Chapter 16: Bibliography
Colophon
Rezensionen
"Classic Shell Scripting ist ohne Zweifel sehr gut geschrieben. Der lebendige Stil bindet das Interesse, die Beispiele sind nicht zu komplex und somit wirklich gut nachvollziehbar. Sie lenken den Blick auf die zu vermittelnden Techniken, so kann sich der Leser wirklich immer auf seinen aktuellen Fokus konzentrieren. Jedes Kapitel schließt mit einer 'Summary', die die besprochenen Themen rekapituliert. [...]

Es [das Buch] ist auf jeden Fall eine große Bereicherung für das Regal jedes Shellprogrammierers." - Ronald Schaten, Hitforum.de, 07/2005