grep Pocket Reference

Table of contents

1. 1. grep Pocket Reference
   1. Introduction
      1. Conventions Used in This Book
      2. Using Code Examples
      3. Safari® Books Online
      4. Comments and Questions
      5. Acknowledgments
         1. From John Bambenek
         2. From Agnieszka Klus
   2. Conceptual Overview
   3. Introduction to Regular Expressions
      1. Quotation Marks and Regular Expressions
      2. Metacharacters
      3. POSIX Character Classes
      4. Crafting a Regular Expression
   4. grep Basics
   5. Basic Regular Expressions (grep or grep -G)
      1. Match Control
      2. General Output Control
      3. Output Line Prefix Control
      4. Context Line Control
      5. File and Directory Selection
      6. Other Options
   6. Extended Regular Expressions (egrep or grep -E)
   7. Fixed Strings (fgrep or grep -F)
   8. Perl-Style Regular Expressions (grep -P)
      1. Character Types
      2. Octal Searching
      3. Character Properties
      4. PCRE Options
   9. Introduction to grep-Relevant Environment Variables
   10. Choosing Between grep Types and Performance Considerations
       1. When to Use grep -E
       2. When to Use grep -F
       3. When to Use grep -P
       4. Performance Implications
   11. Advanced Tips and Tricks with grep
       1. Backreferences
       2. Binary File Searching
       3. Useful Recipes
          1. IP addresses
          2. MAC addresses
          3. Email addresses
          4. U.S.-based phone numbers
          5. Social Security numbers
          6. Credit card numbers
          7. Copyright-protected or confidential material
          8. Searching through large numbers of files
          9. Matching strings across multiple lines
   12. References
2. Index
3. About the Authors
4. Copyright