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## Index: A

a command (sed): 5.5. Append, Insert, and Change
abort statement (tawk): 11.3.2.1. Tawk language extensions
acronym processor (example): 8.5. An Acronym Processor
addition (+) operator: 7.6. Expressions
addresses, line: 2.1. Awk, by Sed and Grep, out of Ed
  2.1. Awk, by Sed and Grep, out of Ed
  4.2. A Global Perspective on Addressing
  4.2. A Global Perspective on Addressing
  5.1. About the Syntax of sed Commands
  addressing by pattern: 2.1. Awk, by Sed and Grep, out of Ed
    A.2.1. Pattern Addressing
  printing with =: 5.9. Print Line Number
adj script (example): 13.5. adj—Adjust Lines for Text Files
alignment of output fields: 7.9. Formatted Printing
ampersand (&)
  && (logical AND) operator: 7.8. Relational and Boolean Operators
  in replacement text: 5.3. Substitution
    5.3.1. Replacement Metacharacters
anchors: 3.2. A Line-Up of Characters
  3.2.7. Positional Metacharacters
AND (&&) operator: 7.8. Relational and Boolean Operators
append command (see a command (sed))
ARGC variable: 8.6. System Variables That Are Arrays
ARGI variable (tawk): 11.3.2.1. Tawk language extensions
ARGIND variable (gawk): 11.2.3.8. Additional variables
ARGV variable: 8.6. System Variables That Are Arrays
  ARGI variable with (tawk): 11.3.2.1. Tawk language extensions
  ARGIND variable with (gawk): 11.2.3.8. Additional variables
arithmetic functions: 9.1. Arithmetic Functions
  11.1.10. Functions
arithmetic operators, awk: 7.6. Expressions
arrays: 8.4. Arrays
  11.1.8. Arrays
  B.2.5.4. Arrays
  deleting elements of: 8.4.6. Deleting Elements of an Array
    11.1.8. Arrays
    11.2.1.1. Deleting all elements of an array
  multidimensional: 8.5.1. Multidimensional Arrays
    11.3.2.1. Tawk language extensions
  parsing strings into elements: 8.4.4. Using split( ) to Create Arrays
    11.2.1.2. Obtaining individual characters
  sorting elements in (tawk): 11.3.2.1. Tawk language extensions
  splitting: 11.2.1.2. Obtaining individual characters
  system variables that are: 8.6. System Variables That Are Arrays
  testing for membership in: 8.4.2. Testing for Membership in an Array
assigning input to variables: 10.1.2. Assigning the Input to a Variable
assignment operators, awk: 7.6. Expressions
associative arrays: 8.4.1. Associative Arrays
asterisk (*)
  ** (exponentiation) operator: 7.6. Expressions
  **= (assignment) operator: 7.6. Expressions
  *= (assignment) operator: 7.6. Expressions
  as metacharacter: 3.1. That's an Expression
    3.2.5. Repeated Occurrences of a Character
  multiplication operator: 7.6. Expressions
automatic edits: 4.4.4. Edits To Go
awk: 1.3. A Pattern-Matching Programming Language
  2.1. Awk, by Sed and Grep, out of Ed
  2.4. Using awk
  11.1. Original awk
  arrays (see arrays)
  built-in functions: 11.1.10. Functions
  built-in variables: 7.7. System Variables
    11.1.11. Built-In Variables
  command-line syntax: 2.2. Command-Line Syntax
    B.1. Command-Line Syntax
  commands: 5.1. About the Syntax of sed Commands
    B.3. Command Summary for awk
  documentation for: 0.. Other Sources of Information About sed and awk
  error messages: 2.4.2. Error Messages
  escape sequences: B.2.5.2. Escape sequences
  extensions to: 11.2.1. Common Extensions
  functions (see functions)
  invoking with #!: 10.9. Invoking awk Using the #! Syntax
    B.1.1. Shell Wrapper for Invoking awk
  limitations to: 10.8. Limitations
  obtaining: 0.2. Availability of sed and awk
  operators: 7.6. Expressions
    B.2.5.6. Operators
  options: 2.4.3. Summary of Options
  POSIX standards for: 7. Writing Scripts for awk
  programming model: 7.3. Awk's Programming Model
  quick reference: B. Quick Reference for awk
  regular expression metacharacters: B.2.4. Regular Expressions
  with sed: 2.5. Using sed and awk Together
  system variables: B.2.5.5. System variables
  versions of: 0.2. Availability of sed and awk
    11.2.2. Bell Labs awk
  writing scripts in: 7. Writing Scripts for awk
AWKPATH variable (gawk): 11.2.3.2. An awk program search path

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