11.5. Operators

The following table lists the operators , in order of increasing precedence, that are available in awk.

Symbol	Meaning
= += -= *= /= %= ^= **=	Assignment
?:	C conditional expression
||	Logical OR (short-circuit)
&&	Logical AND (short-circuit)
in	Array membership
~ !~	Match regular expression and negation
< <= > >= != ==	Relational operators
(blank)	Concatenation
+ -	Addition, subtraction
* / %	Multiplication, division, and modulus (remainder)
+ - !	Unary plus and minus, and logical negation
^ **	Exponentiation
++ --	Increment and decrement, either prefix or postfix
$	Field reference

While ** and **= are common extensions, they are not part of POSIX awk .