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) ...
Get Effective awk Programming, 4th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.