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Sams Teach Yourself Shell Programming in 24 Hours
Index
Table of Contents
Sams Teach Yourself Shell Programming in 24 Hours
Copyright
Introduction
● How This Book Is Organized
● Conventions Used in This Book
● About the Author
● Dedication
● Acknowledgments
Part I Introduction to UNIX and Shell Tools
Hour 1: Shell Basics
● What Is a Command?
● What Is the Shell?
● Summary
● Questions
● Terms
Hour 2: Script Basics
● The UNIX System
● Shell Initialization
● Getting Help
● Summary
● Questions
● Terms
Hour 3: Working with Files
● Listing Files
● Viewing the Content of a File
● Manipulating Files
● Summary
● Questions
● Terms
Hour 4: Working With Directories
● The Directory Tree
● Switching Directories
● Listing Files and Directories
● Manipulating Directories
● Summary
● Questions
Hour 5: Manipulating File Attributes
● File Types
● Owners, Groups, and Permissions
● Summary
● Questions
Hour 6: Processes
● Starting a Process
● Listing Running Processes
● Killing a Process (kill Command)
● Parent and Child Processes
● Summary
● Questions
● Terms
Part II Shell Programming
Hour 7: Variables
● Defining Variables
● Unsetting Variables
● Environment Variables
● Summary
● Questions
● Terms
Hour 8: Substitution
● Filename Substitution (Globbing)
● Variable Substitution
● Command and Arithmetic Substitution
● Summary
● Questions
Hour 9: Quoting
● Quoting with Backslashes
● Using Single Quotes
● Using Double Quotes
● Quoting Rules and Situations
● Summary
● Questions
● Terms
Hour 10: Flow Control
● The if Statement
● The case Statement
● Summary
● Questions
Hour 11: Loops
● The while Loop
● The for and select Loops
● Loop Control
● Summary
● Questions
● Terms
Hour 12: Parameters
● Special Variables
● Options and Arguments
● Option Parsing in Shell Scripts
● Conclusion
● Questions
Hour 13: Input/Output
● Output
● Input
● File Descriptors
● Summary
● Questions
● Terms
Hour 14: Functions
● Creating and Using Functions
● Sharing Data Between Functions, an Example
● Conclusion
● Questions
Hour 15: Text Filters
● The head and tail Commands
● Using grep
● Counting Words
● Summary
● Questions
Hour 16: Filtering Text Using Regular Expressions
● The Basics of awk and sed
● Using sed
● Summary
● Questions
Hour 17: Filtering Text with awk
● What is awk?
● Using awk Features
● Summary
● Questions
● Terms
Hour 18: Miscellaneous Tools
● The eval Command
● The : Command
● The type Command
● The sleep Command
● The find Command
● xargs
● The expr Command
● The bc Command
● remsh/rsh/rcmd/remote (Remote Shell)
● Summary
● Questions
● Terms
Part III Advanced Topics
Hour 19: Dealing with Signals
● How Are Signal Represented?
● Dealing with Signals
● Conclusion
● Questions
Hour 20: Debugging
● Enabling Debugging
● Syntax Checking
● Shell Tracing
● Summary
● Questions
Hour 21: Problem Solving with Functions
● Creating a Library of Functions
● Useful Functions
● Summary
● Questions
● Terms
Hour 22: Problem Solving with Shell Scripts
● Moving Directories
● Maintaining an Address Book
● Summary
● Questions
● Terms
Hour 23: Scripting for Portability
● Determining UNIX Versions
● Techniques for Increasing Portability
● Summary
● Questions
● Terms
Hour 24: Shell Programming FAQs
● Shell and Command Questions
● Variable and Argument Questions
● File and Directory Questions
● Summary
Part IV Appendixes
Appendix A: Command Quick Reference
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