- Linux Shell Scripting Essentials
- Table of Contents
- Linux Shell Scripting Essentials
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. The Beginning of the Scripting Journey
- 2. Getting Hands-on with I/O, Redirection Pipes, and Filters
- Standard I/O and error streams
- Redirecting the standard I/O and error streams
- Pipe and pipelines – connecting commands
- Regular expressions
- Filtering an output using grep
- Editing output using sed
- Duplicating a stream using tee
- Sorting and finding unique text
- Character-based translation using tr
- Filtering based on lines—head and tail
- The Cut-based selection
- Summary
- 3. Effective Script Writing
- Exiting from scripts and exit codes
- Testing expressions with a test
- Using conditional statements with if and else
- Indexed arrays and associative arrays
- Looping around with for
- The select, while, and until loops
- Switch to my choice
- Passing stdout as a parameter using xargs
- Using functions and positional parameters
- Alias
- pushd and popd
- Summary
- 4. Modularizing and Debugging
- 5. Customizing the Environment
- 6. Working with Files
- 7. Welcome to the Processes
- 8. Scheduling Tasks and Embedding Languages in Scripts
- Index
Author
Sinny Kumari
Reviewers
Grigor Aslanyan
Mohamed Fawzy
John Kennedy
Commissioning Editor
Pramila Balan
Acquisition Editor
Sonali Vernekar
Content Development Editor
Shali Deeraj
Technical Editors
Naveenkumar Jain
Mitali Somaiya
Copy Editor
Trishya Hajare
Project Coordinator
Sanchita Mandal
Proofreader
Safis Editing
Indexer
Priya Subramani
Production Coordinator
Nitesh Thakur
Cover Work
Nitesh Thakur
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