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Effective awk Programming, 4th Edition by Arnold Robbins

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Index

Symbols

! (exclamation mark)
!= (not equal) operator, Changing the Contents of a Field, Comparison operators, Operator Precedence (How Operators Nest)
!~ operator, How to Use Regular Expressions, Using Dynamic Regexps, Regular expression constants, Comparison operators, Operator Precedence (How Operators Nest), Expressions as Patterns
not operator, Boolean Expressions, Operator Precedence (How Operators Nest), Searching for Regular Expressions in Files
" (quotation marks, double)
denoting null strings, Shell Quoting Issues
enclosing string constants, Numeric and string constants
escaping in string constants, Escape Sequences
mixing with single quotes, Shell Quoting Issues
shell rules for, Shell Quoting Issues
# (number sign)
#! script mechanism, Executable awk Programs, Running the Example Programs
format specification modifiers, Modifiers for printf Formats
prefacing awk comments, Comments in awk Programs
$ (dollar sign)
$0 value
in BEGIN and END rules, Input/output from BEGIN and END rules
set by getline, Using getline with No Arguments
understanding, Changing the Contents of a Field
end-of-string matching in regular expressions, Regular Expression Operators, Record Splitting with gawk
field references in awk, Examining Fields, Operator Precedence (How Operators Nest)
% (percent sign)
%= (modulus and assignment) operator, Assignment Expressions, Operator Precedence (How Operators Nest)
remainder operator, Arithmetic Operators, Operator Precedence (How Operators Nest)
& (ampersand)
&& (Boolean and) ...

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