第40页 Chapter 2: Some Basics

Operator	Meaning	
[ [[	Indexing	
:: :::	Access variables in a name space	 
$ @	Component extraction, slot extraction	 
^	Exponentiation (right to left)	 
- +	Unary minus and plus	 
:	Sequence creation
%any%	Special operators	
* /	Multiplication, division	
+ -	Addition, subtraction	 
== != < > <= >=	Comparison
!	Logical negation	 
& &&	Logical “and”, short-circuit “and”	 
| ||	Logical “or”, short-circuit “or”	 
~	Formula	
-> ->>	Rightward assignment
=	Assignment (right to left)