March 2018
Beginner to intermediate
416 pages
9h 24m
English
Content preview from Learning AWK Programming
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Field separator
The field separator (FS) is either a single character or a regular expression. It decides the way AWK splits an input record into fields. The FS is represented by the built-in variable FS, and its default value is a single space. It tells AWK to separate fields across any number of spaces and/or tabs.
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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.