A

Index

Symbols, numbers A B C D E F G H I K L N O P R S T V W X

addresses, in sed
arithmetic, in awk
awk
- accumulating input
- actions, ``Performing arithmetic'', ``Actions''
- arguments
- arithmetic, ``Performing arithmetic'', ``Using arithmetic functions'', ``Performing arithmetic''
- arrays
  - as arguments
  - associative, ``Word frequencies'', ``Arrays''
  - multiple subscripts
  - order of elements
  - splitting
- associative arrays
- BEGIN pattern
- break and exit statements
- command-line arguments
- comments
- debugging
- END pattern
- escape sequences
- examples, ``Example applications'', ``A handful of useful one-liners'', ``Random choice'', ``Accumulation''
- fields, ``Fields'', ``Field variables'', ``Fields''
  - positional parameters
- flow control, ``Flow control statements'', ``Control flow statements''
  - break and exit statements
  - C-like syntax
  - for statements
  - if statements
  - while statements
- for statements
- functions
  - arithmetic
  - parameter passing
  - string, ``Using strings and string functions'', ``Using strings and string functions''
  - user-defined
- if statements
- initializing variables
- input, ``Files and pipes'', ``Input'', ``Multiline records and the getline function'', ``Fields''
  - from multi-line records, ``Multiline records and the getline function'', ``Spanning multiple lines''
  - from pipes
  - separators
- internal variables
- lexical conventions
- multidimensional arrays
- multi-line records, ``Multiline records and the getline function'', ``Multiline records''
- operators
  - assignment
  - decrement
  - increment
- output, ``Generating reports'', ``Output into files'', ``Output into pipes'', ``awk output''
  - formatted, ``Formatting awk output'', ``The printf statement'', ``The printf statement'', ``Formatting awk output''
  - piped to other program
  - printing
  - printing to stderr
  - redirection
  - separators
- patterns, ``Patterns'', ``Using simple patterns'', ``Regular expressions''
  - action matching
  - as regular expressions, ``Using simple patterns'', ``Regular expressions''
  - BEGIN
  - combining
  - END
  - precedence
  - ranges
  - relational operators
- precedence
- print, ``Running awk programs'', ``The print statement'', ``awk output''
- printf, ``Formatting awk output'', ``The printf statement'', ``awk output''
- program invocation
- program structure
- random choice
- records
- relational operators, ``Using simple patterns'', ``Relational operators''
- running programs
  - from files
  - from the command line
- scope of variables
- strings
  - built-in functions
  - splitting
- system interaction
- type coercion
- user-defined functions
- using with shell, ``Cooperation with the shell'', ``The system function'', ``Using awk with other commands and the shell''
- variables, ``Program structure'', ``Variables''
  - assignment
  - built-in
  - field
  - floating point
  - initialization, ``User-defined variables'', ``Performing arithmetic''
  - scope
  - type coercion
  - type definition
  - user-defined
- while statements