Shell Scripting Recipes: A Problem-Solution Approach

Learn by example while automating common tasks with this collection of portable shell scripts

Chris F. A. Johnson - Collection The Expert's Voice in Open Source

422 pages, parution le 08/06/2005

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Résumé

Shell scripts offer an impressive means for creating powerful and portable applications. When coupled with utilities such as grep, sed, and the AWK programming language, the shell is more than adequate for resolving a wide range of programming tasks. I wrote this book to demonstrate these exciting capabilities and help you to learn shell scripting by providing hundreds of examples.

The opening chapter sets the stage for this collection, introducing many Unix shell features and helping familiarize you with the syntax in many of the examples. The following chapters present scripts and shell functions ranging from one-liners to multipage programs. These scripts and functions are capable of accomplishing commonplace tasks such as converting DOS-based text files to Unix and vice versa, maintaining financial ledgers (which can be easily imported to a spreadsheet program), extracting information from web pages, and more. To facilitate code reuse, the book offers numerous function libraries that you can use to build even more programs quickly.

Some scripts in this book are taken from the hundreds I've written over the past 15 years, while others were written specifically for this book. I carefully selected each not only to demonstrate the breadth of problems that can be solved with shell scripts, but also to illustrate as many scripting techniques as possible.

I hope this book will help you solve the many problems illustrated by these scripts, and also encourage and help you to write your own.

Sommaire

About the Author
About the Technical Reviewer
Acknowledgments
Introduction
The POSIX Shell and Command-Line Utilities
Playing with Files: Viewing, Manipulating and Editing Text Files
String Briefs
What's in a Word?
Scripting by Numbers
Loose Names Sink Scripts: Bringing Sanity to Filenames
Treading a Righteous PATH
The Dating Game
Good Housekeeping: Monitoring and Tidying Up File Systems
POP Goes the E-Mail
PostScript: More Than an Afterthought
Screenplay: The screen-funcs Library
Backing Up the Drive
Aging, Archiving, and Deleting Files
Covering All Your Databases
Home on the Web
Taking Care of Business
Random Acts of Scripting
A Smorgasbord of Scripts
Script Development Management
Appendix: Internet Scripting Resources
Index

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Caractéristiques techniques

	PAPIER
Éditeur(s)	Apress
Auteur(s)	Chris F. A. Johnson
Collection	The Expert's Voice in Open Source
Parution	08/06/2005
Nb. de pages	422
Format	17,5 x 23,5
Couverture	Broché
Poids	708g
Intérieur	Noir et Blanc
EAN13	9781590594711
ISBN13	978-1-59059-471-1