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PERL By Example

The Complete PERL Training Course

UNIX Shells by Example

Linux Shells by Example

For UNIX users, system administrators, and programmers... learn Perl now! Perl is quickly becoming the preferred language for system administration and many UNIX scripting tasks. It's no wonder. Perl combines the best features of many UNIX utilities, such as grep, awk, sed, tr, shells, and C into a single language that's consistent, fast, and easy to use. Better yet, Perl is available free for many UNIX systems, and even some non-UNIX systems.

If you're using Perl—or thinking about it—you need Perl By Example. Written by a leading Perl training consultant, it's the first Perl book with:

• Proven tutorials that take you from your first Perl program to highly sophisticated scripts
• A consise, complete reference you'll refer to repeatedly
  Clear, detailed comparisons with the utilities and languages you may already know
• PERL by Example also focuses on the networking and interprocess communication capabilities at the heart of advanced Perl applications.
  

This book won't waste your time. It's well organized and to the point. You'll learn exactly what you need to know—and every new function is demonstrated with concise sample programs and output.

$29.95 plus $5.00 shipping
(CA residents add 7.25% sales tax)

Learning Perl is a great way to improve your UNIX programming productivity. And the best way to learn Perl is
PERL by Example
Published by PRENTICE HALL

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This complete training kit includes the book Perl by Example, coupled with the world's #1 Perl multimedia CD-ROM. This amazing CD-ROM creates a virtual cyber classroom right on your computer.

Some of the many features of this CD include:

• End-to-end interactive training, covering all the fundamentals of Perl
• A live-code approach, including over 100 complete Perl programs
• Over four hours of audio explaining every key Perl concept
• Hundreds of exercises, full-text searching, and more!

$89.95 plus $6.50 shipping
(CA residents add 7.25% sales tax)

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The first book that covers all three UNIX shells plus awk, sed and grep!

Until now, if you wanted to learn UNIX shell programming, you had to purchase three or four books, each covering just some of what you need to know. Now, one book is all you need: UNIX Shells by Example.

This is the first complete, step-by-step guide to using all three of the most important UNIX shells: the C shell, the Bourne shell, and the essential UNIX shell programming utilities. Using easy-to-understand, classroom-proven examples, it brings together all the information shell programmers need.

You'll start with the basics: what a UNIX shell is, what it does, and how it relates to other UNIX utilities and UNIX processes. You'll be introduced to shell scripts: what they do, and how to create and run them.

Teachers and consultants will appreciate the Appendix that includes a listing of syntax and examples of many useful UNIX utilities, a comparison chart of all three shells, a complete guide to proper quoting, and classroom exercises for each topic.

The book's accompanying CD-ROM contains all example programs, a library of additional source code, and a suite of shell programming utilities for UNIX, Linux, DOS, Windows, OS/2, and Amiga systems. Whether you're a system administrator, application developer or power user, Unix Shells by Example is the most convenient, cost-effective way to learn UNIX shell programming.

$39.95 plus $5.00 shipping
(CA residents add 7.25% sales tax)

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In both Linux and Unix, becoming proficient at using shell scripts is an essential skill for both programmers and administrators. Filled with numerous exercises and examples, Ellie Quigley's Linux Shells by Example provides a comprehensive tutorial to two of the most popular Linux shells: the Bourne Again shell (bash) and the TC shell (tcsh). For any Linux user, this title is all you need to bring your shell-programming skills up to speed.
This book opens with a tour of the history and function of traditional Unix shells (from Bourne, C, and Korn shells) before centering on Linux variants, bash and  tcsh. The text then turns to three powerful utilities: grep (for file searching), sed (for noninteractive file editing), and gawk (which allows programmers to write powerful scripts that process files using regular expressions).

There are dozens of sample commands to try out here. (With shell programming,  the genius is truly in the details, and the only way to learn the shell is to try it out  for yourself.) As an experienced teacher, the author provides a wealth of examples that take you through both the common and more esoteric features of  these utilities. Instead of hard-to-decipher man pages, there she includes dozens of sample commands with correct syntax, plus clear explanations.

The rest of this book looks at the bash and tcsh shells in detail, from interactive mode to shell programming with full coverage of the basics of writing reusable scripts. Final sections of Linux Shells by Example look at common Linux file and system commands for easy reference, and the book ends with a useful appendix on quoting styles for five different shells. In all, this book's clear presentation style and plentiful examples will help any Linux user become a competent shell user and script programmer. --Richard Dragan

Topics covered: Survey of Unix shells (the Bourne, C, and Korn shells), survey of Linux shells (the Bourne Again and TC shells), processes, shell environments, tutorial for regular expressions, grep for file searches, the streamlined editor (sed), awk/nawk/gawk scripts, gawk basics and expressions, gawk programming (variables, arrays, flow control, built-in and user-defined functions), the bash and tcsh shells (interactive mode, programming tutorial for shell scripts), reference to common Linux/Unix utilities, comparison of shells, and tips for using correct quoting styles within shells.

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