June 2003
Beginner to intermediate
944 pages
43h 1m
English
Content preview from Linux in a Nutshell, Fourth Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Operators
The following table lists the operators, in order of increasing precedence, that are available in gawk.
|
Symbol |
Meaning |
|---|---|
|
= += -= *= /= %= ^= **= |
Assignment |
|
?: |
C style conditional (expression ? if-true-action : if-false-action) |
|
|| |
Logical OR |
|
&& |
Logical AND |
|
in |
Array membership (see for command) |
|
~ !~ |
Match regular expression and negation |
|
< <= > >= != == >> | | & |
Relational and redirection operators |
|
(blank) |
Concatenation |
|
+ - |
Addition, subtraction |
|
* / % |
Multiplication, division, and modulus |
|
+ - ! |
Unary plus and minus and logical negation |
|
^ ** |
Exponentiation |
|
++ -- |
Increment and decrement, either prefix or postfix |
|
$ |
Field reference |
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.