Linux shell scripting bootcamp explore the possibilities of the shell in a simple and elegant way

A quick and straightforward approach to writing shell scripts to accomplish different types of tasks on a Linux system. About This Book Understand expressions and variables and how to use them practically Familiarize yourself with the various text filtering tools available in Linux A fast-paced and...

Descripción completa

Detalles Bibliográficos
Otros Autores:	Lewis, James Kent, author (author)
Formato:	Libro electrónico
Idioma:	Inglés
Publicado:	Birmingham, England ; Mumbai, [India] : Packt Publishing 2017.
Edición:	1st edition
Materias:	Linux. Scripting languages (Computer science) Operating systems (Computers)
Ver en Biblioteca Universitat Ramon Llull:	https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630690706719

Tabla de Contenidos:

Cover
Copyright
Credits
About the Author
Acknowledgement
About the Reviewer
www.PacktPub.com
Customer Feedback
Table of Contents
Preface
Chapter 1: Getting Started with Shell Scripting
Getting started
Using a good text editor
Demonstrating the use of scripts
Chapter 1 - Script 1
Chapter 1 - Script 2
Chapter 1 - Script 3
Chapter 1 - Script 4
Chapter 1 - Script 5
Chapter 1 - Script 6
Summary
Chapter 2: Working with Variables
Using variables in scripts
Chapter 2 - Script 1
Validating parameters using conditional statements
Chapter 2 - Script 2
Comparison operators for strings
Chapter 2 - Script 3
Chapter 2 - Script 4
Chapter 2 - Script 5
Environment variables
Chapter 2 - Script 6
Chapter 2 - Script 7
Summary
Chapter 3: Using Loops and the sleep Command
Using loops
Chapter 3 - Script 1
Chapter 3 - Script 2
Chapter 3 - Script 3
Screen manipulation
Chapter 3 - Script 4
Chapter 3 - Script 5
Indenting your code
Chapter 3 - Script 6
Using the for statement
Chapter 3 - Script 7
Chapter 3 - Script 8
Leaving a loop early
Chapter 3 - Script 9
The sleep command
Chapter 3 - Script 10
Chapter 3 - Script 11
Watching a process
Chapter 3 - Script 12
Creating numbered backup files
Chapter 3 - Script 13
Summary
Chapter 4: Creating and Calling Subroutines
Clearing the screen
Chapter 4 - Script 1
File redirection
Command piping
Chapter 4 - Script 2
Chapter 4 - Script 3
Subroutines
Chapter 4 - Script 4
Using parameters
Chapter 4 - Script 5
Chapter 4 - Script 6
Making a current backup of your work
Chapter 4 - Script 7
Summary
Chapter 5: Creating Interactive Scripts
Chapter 5 - Script 1
Chapter 5 - Script 2
Chapter 5 - Script 3.
Chapter 5 - Script 4
Chapter 5 - Script 5
Chapter 5 - Script 6
Chapter 5 - Script 7
Chapter 5 - Script 8
Summary
Chapter 6: Automating Tasks with Scripts
Chapter 6 - Script 1
Chapter 6 - Script 2
Chapter 6 - Script 3
Chapter 6 - Script 4
Cron
Chapter 6 - Script 5
Chapter 6 - Script 6
Chapter 6 - Script 7
Summary
Chapter 7: Working with Files
Writing files
Chapter 7 - Script 1
Reading files
Chapter 7 - Script 2
Chapter 7 - Script 3
Chapter 7 - Script 4
Reading and writing files
Chapter 7 - Script 5
Reading and writing files interactively
Chapter 7 - Script 6
File checksums
File encryption
Chapter 7 - Script 7
Summary
Chapter 8: Working with wget and curl
Introducing the wget program
wget options
wget return codes
wget configuration files
Chapter 8 - Script 1
wget and recursion
wget options
curl
curl options
Chapter 8 - Script 2
Summary
Chapter 9: Debugging Scripts
Syntax errors
Chapter 9 - Script 1
Chapter 9 - Script 2
Automatic backups
More syntax errors
Chapter 9 - Script 3
Logic errors
Chapter 9 - Script 4
Using set to debug scripts
Chapter 9 - Script 5 and Script 6
Chapter 9 - Script 7
Chapter 9 - Script 8
Chapter 9 - Script 9
Summary
Chapter 10: Scripting Best Practices
Verifying backups
ssh and scp
Find and use a good text editor
Environment variables and aliases
ssh prompt
Testing an archive
Progress indicator
Chapter 10 - Script 1
Creating new commands from a template
Chapter 10 - Script 2
Alerting the user
Chapter 10 - Script 3
Summary
Index.

Linux shell scripting bootcamp explore the possibilities of the shell in a simple and elegant way

Ejemplares similares