July 2018
Beginner
264 pages
8h 9m
English
Content preview from Bash Cookbook
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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.
How it works...
First things first, as this recipe alluded to—we noticed that the Bash shell doesn't like decimal numbers with fractions or even non-whole numbers. Wait, math!? Unfortunately, we can't hide all the details, but in programming, there are a couple of concepts that you should be aware of:
- Signed and unsigned numbers
- Floats, doubles, and integers
The first concept is fairly simple—current computers are binary, which means they compute using zeros (0) and ones (1). This means that they work in powers of 2^. Without getting into a lesson about basic computer science, if you see a value (datatype) that is an int (integer) and that it is a 32 bit number, this means that the maximum value if it begins at 0 is 4,294,967,295 in decimal ...
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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.
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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.