Detail :
Paperback : 560 Pages
Publisher: O'Reilly Media; 1st edition (May 1, 2005)
Language: English
ISBN-10: 0596005954
ISBN-13: 978-0596005955
File Size : 6.30 Mb | File Format : PDF
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.
About the Author
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.
Main Contents :
01. Background
02. Getting Started
03. Searching and Substitutions
04. Text Processing Tools
05. Pipelines Can Do Amazing Things
06. Variables, Making Decisions, and Repeating Actions
07. Input and Output, Files, and Command Evaluation
08. Production Scripts
09. Enough awk to Be Dangerous
10. Working with Files
11. Extended Example: Merging User Databases
12. Spellchecking
13. Processes
14. Shell Portability Issues and Extensions
15. Secure Shell Scripts: Getting Started
A. Writing Manual Pages
B. Files and Filesystems
C. Important Unix Commands
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