【文件属性】:
文件名称:Mastering Linux Shell Scripting
文件大小:3.28MB
文件格式:PDF
更新时间:2019-02-07 15:49:21
Mastering Linux Shell Scripting
Paperback: 198 pages
Publisher: Packt Publishing - ebooks Account (December 24, 2015)
Language: English
ISBN-10: 1784396974
ISBN-13: 978-1784396978
Key Features
Identify the high level steps such as verifying user input, using command lines and conditional statements in creating and executing simple shell scripts
Create and edit dynamic shell scripts to manage complex and repetitive tasks
Learn about scripting in Perl and programming in Python as a BASH scripting alternative with this practical, step-by-step guide
Book Description
Shell scripting is a quick method to prototype a complex application or a problem by automating tasks when working on Linux-based systems. Using both simple one-line commands and command sequences complex problems can be solved with ease, from text processing to backing up sysadmin tools.
In this book, you'll discover everything you need to know to master shell scripting and make informed choices about the elements you employ. Get to grips with the fundamentals of creating and running a script in normal mode, and in debug mode. Learn about various conditional statements' code snippets, and realize the power of repetition and loops in your shell script. Implement functions and edit files using the Stream Editor, script in Perl, program in Python – as well as complete coverage of other scripting languages to ensure you can choose the best tool for your project.
What you will learn
Use the type command to identify the order of command evaluation
Create interactive scripts that prompt for user input
Foster menu structures for operators with little command-line experience
Develop scripts that dynamically edit web configuration files to produce a new virtual host
Write scripts that use AWK to search and reports on log files
Draft effective scripts using functions as building blocks, reducing maintenance and build time
Make informed choices by comparing different script languages such as Perl and Python with BASH
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