Poised Solutions Tech Library

Classic Shell Scripting

Classic Shell Scripting Author: Arnold Robbins Nelson H. F. Beebe Publisher: O'Reilly Published: 2005 Pages: 534

Classic Shell Scripting

Classic Shell Scripting Chapters

Classic Shell Scripting Chapters

1. Background
   • Unix History
   • Software Tools Principles
   • Summary
2. Getting Started
   • Scripting Languages Versus Compiled Languages
   • Why Use a Shell Script?
   • A Simple Script
   • Self-Contained Scripts: The #! First Line
   • Basic Shell Constructs
   • Accessing Shell Script Arguments
   • Siple Execution Tracing
   • Internationalization and Localization
   • Summary
3. Searchingand Substitutions
   • Searching for Text
   • Regular Expressions
   • Working with Fields
   • Summary
4. Text Processing Tools
   • Sorting Text
   • Removing Duplicators
   • Reformatting Paragraphs
   • Counting Lines, Words and Characters
   • Printing
   • Extracting the First and Last Lines
   • Smmary
5. Pipelines Can Do Amazing Things
   • Extracting Data from Structured Text Files
   • Structured Data for the Web
   • Cheating at Word Puzzles
   • Word Lists
   • Tag Lists
   • Summary
6. Variables, Making Decisions and Repeating Actions
   • Variables and Arithmetic
   • Exit Statuses
   • The case Statement
   • Looping
   • Functions
   • Summary
7. Input, Ouput, Files and Command Evaluation
   • Standard Input, Output and Error
   • Reading Lines with read
   • More About Redirections
   • The Full Story on printf
   • Tilde Expansion and Wildcards
   • Command Sustitution
   • Quoting
   • Evaluation Order and eval
   • Built-in Commands
   • Summary
8. Production Scripts
   • Path Searching
   • Automating Software Builds
   • Summary
9. Enough awk to be Dangerous
   • The awk Command Line
   • The awk Programming Model
   • Program Elements
   • Records and Fields
   • Patterns and Actions
   • One-Line Programs in awk
   • Statements
   • User-Defined Functions
   • String Functions
   • Numeric Functions
   • Summary
10. Working with Files
    • Listing Files
    • Updatting Modification Times with touch
    • Creating and Using Temporary Files
    • Finding Files
    • Running Commands: xargs
    • Filesystem Space Information
    • Comparing Files
    • Summary
11. Extended Example: Merging User Databases
    • The Problem
    • The Password Files
    • Merging Password Files
    • Changing File Ownership
    • Other Real-World Issues
    • Summary
12. Spellchecking
    • The spell Program
    • The Original Unix Spellchekcing Prototype
    • Improving ispell and aspell
    • A Spellchecker in awk
    • Summary
13. Processes
    • Process Creation
    • Process Listing
    • Process Control and Deletion
    • Process System-Call Tracing
    • Process Accounting
    • Delayed scheduling of Processes
    • The /proc Filesystem
    • Summary
14. Shell Portability Issues and Exntensions
    • Gotchas
    • The bash shopt Command
    • Common Extensions
    • Dpwnload Information
    • Other Extended Bourne-Style Shells
    • Shell Versions
    • Shell Initialization and Termination
    • Summary
15. Secure Shell Scripts: Getting Started
    • Tips for Secure Shell Scripts
    • Restricted Shell
    • Trojan Horsess
    • Setuid Sehll Scripts: A Bad Idea
    • ksh93 and Privileged Mode
    • Summary

Classic Shell Scripting Appendices

1. Writing Manual Pages
2. Files and Filesystems
3. Important Unix Commands
4. Bibliography
5. Glossary
6. Index