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The GNU Awk User's Guide

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Index Entry Section

!
! (exclamation point), ! operator6.11 Boolean Expressions
! (exclamation point), ! operator6.14 Operator Precedence (How Operators Nest)
! (exclamation point), ! operator14.2.2 Searching for Regular Expressions in Files
! (exclamation point), != operator6.10 Variable Typing and Comparison Expressions
! (exclamation point), != operator6.14 Operator Precedence (How Operators Nest)
! (exclamation point), !~ operator3.1 How to Use Regular Expressions
! (exclamation point), !~ operator3.6 Case Sensitivity in Matching
! (exclamation point), !~ operator3.8 Using Dynamic Regexps
! (exclamation point), !~ operator6.1.3 Regular Expression Constants
! (exclamation point), !~ operator6.10 Variable Typing and Comparison Expressions
! (exclamation point), !~ operator6.10 Variable Typing and Comparison Expressions
! (exclamation point), !~ operator6.14 Operator Precedence (How Operators Nest)
! (exclamation point), !~ operator7.1.2 Expressions as Patterns
! operator7.1.3 Specifying Record Ranges with Patterns
! operator14.2.2 Searching for Regular Expressions in Files

"
" (double quote)2.1.2 Running awk Without Input Files
" (double quote)2.1.6 Shell-Quoting Issues
" (double quote), regexp constants3.8 Using Dynamic Regexps

#
# (number sign), #! (executable scripts)2.1.4 Executable awk Programs
# (number sign), #! (executable scripts), portability issues with2.1.4 Executable awk Programs
# (number sign), commenting2.1.5 Comments in awk Programs

$
$ (dollar sign)3.3 Regular Expression Operators
$ (dollar sign), $ field operator4.2 Examining Fields
$ (dollar sign), $ field operator6.14 Operator Precedence (How Operators Nest)
$ (dollar sign), incrementing fields and arrays6.8 Increment and Decrement Operators
$ field operator4.2 Examining Fields

%
% (percent sign), % operator6.14 Operator Precedence (How Operators Nest)
% (percent sign), %= operator6.7 Assignment Expressions
% (percent sign), %= operator6.14 Operator Precedence (How Operators Nest)

&
& (ampersand), && operator6.11 Boolean Expressions
& (ampersand), && operator6.14 Operator Precedence (How Operators Nest)
& (ampersand), gsub/gensub/sub functions and9.1.3.1 More About `\' and `&' with sub, gsub, and gensub

'
' (single quote)2.1.1 One-Shot Throwaway awk Programs
' (single quote)2.1.3 Running Long Programs
' (single quote)2.1.6 Shell-Quoting Issues
' (single quote), vs. apostrophe2.1.5 Comments in awk Programs
' (single quote), with double quotes2.1.6 Shell-Quoting Issues

(
() (parentheses)3.3 Regular Expression Operators
() (parentheses), pgawk program11.5 Profiling Your awk Programs

*
* (asterisk), * operator, as multiplication operator6.14 Operator Precedence (How Operators Nest)
* (asterisk), * operator, as regexp operator3.3 Regular Expression Operators
* (asterisk), * operator, null strings, matchingAdvanced Notes: Matching the Null String
* (asterisk), ** operator6.5 Arithmetic Operators
* (asterisk), ** operator6.14 Operator Precedence (How Operators Nest)
* (asterisk), ** operator12.2 Command-Line Options
* (asterisk), **= operator6.7 Assignment Expressions
* (asterisk), **= operator6.14 Operator Precedence (How Operators Nest)
* (asterisk), **= operator12.2 Command-Line Options
* (asterisk), *= operator6.7 Assignment Expressions
* (asterisk), *= operator6.14 Operator Precedence (How Operators Nest)

+
+ (plus sign)3.3 Regular Expression Operators
+ (plus sign), + operator6.14 Operator Precedence (How Operators Nest)
+ (plus sign), + operator6.14 Operator Precedence (How Operators Nest)
+ (plus sign), ++ operator6.8 Increment and Decrement Operators
+ (plus sign), ++ operator6.14 Operator Precedence (How Operators Nest)
+ (plus sign), += operator6.7 Assignment Expressions
+ (plus sign), += operator6.14 Operator Precedence (How Operators Nest)
+ (plus sign), decrement/increment operators6.8 Increment and Decrement Operators

,
, (comma), in range patterns7.1.3 Specifying Record Ranges with Patterns

-
- (hyphen), - operator6.14 Operator Precedence (How Operators Nest)
- (hyphen), - operator6.14 Operator Precedence (How Operators Nest)
- (hyphen), -- (decrement/increment) operator6.14 Operator Precedence (How Operators Nest)
- (hyphen), -- operator6.8 Increment and Decrement Operators
- (hyphen), -= operator6.7 Assignment Expressions
- (hyphen), -= operator6.14 Operator Precedence (How Operators Nest)
- (hyphen), filenames beginning with12.2 Command-Line Options
- (hyphen), in character lists3.4 Using Character Lists
--assign option12.2 Command-Line Options
--compat option12.2 Command-Line Options
--copyleft option12.2 Command-Line Options
--copyright option12.2 Command-Line Options
--disable-nls configuration optionB.2.2 Additional Configuration Options
--dump-variables option12.2 Command-Line Options
--dump-variables option13.1 Naming Library Function Global Variables
--enable-portals configuration option11.4 Using gawk with BSD Portals
--enable-portals configuration optionB.2.2 Additional Configuration Options
--field-separator option12.2 Command-Line Options
--file option12.2 Command-Line Options
--gen-po option10.4.1 Extracting Marked Strings
--gen-po option10.4.1 Extracting Marked Strings
--gen-po option12.2 Command-Line Options
--help option12.2 Command-Line Options
--lint option12.1 Invoking awk
--lint option12.2 Command-Line Options
--lint-old option12.2 Command-Line Options
--non-decimal-data option11.1 Allowing Nondecimal Input Data
--non-decimal-data option12.2 Command-Line Options
--non-decimal-data option, strtonum function and11.1 Allowing Nondecimal Input Data
--posix option12.2 Command-Line Options
--posix option, --traditional option and12.2 Command-Line Options
--profile option11.5 Profiling Your awk Programs
--profile option12.2 Command-Line Options
--re-interval option12.2 Command-Line Options
--source option12.2 Command-Line Options
--source option12.2 Command-Line Options
--traditional option12.2 Command-Line Options
--traditional option, --posix option and12.2 Command-Line Options
--usage option12.2 Command-Line Options
--version option12.2 Command-Line Options
--with-included-gettext configuration option10.6 gawk Can Speak Your Language
--with-included-gettext configuration optionB.2.2 Additional Configuration Options
--with-included-gettext configuration option, configuring gawk withB.2.2 Additional Configuration Options
-F option4.5.3 Setting FS from the Command Line
-f option2.1.3 Running Long Programs
-F option12.2 Command-Line Options
-f option12.2 Command-Line Options
-F option, -Ft sets FS to TAB12.2 Command-Line Options
-f option, on command line12.2 Command-Line Options
-F option, troubleshooting12.7 Known Bugs in gawk
-mf/-mr options12.2 Command-Line Options
-v option12.2 Command-Line Options
-v option, variables, assigning6.3.2 Assigning Variables on the Command Line
-W option12.2 Command-Line Options

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