September 2018
Beginner
186 pages
4h 30m
English
Content preview from Bash Quick Start Guide
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The set command
The set builtin command is one of the most misunderstood (and overloaded!) commands in Bash. It does several different things depending on how it's called: show names, set shell options, and set shell positional parameters.
First of all, when run on its own with no arguments, set prints a list of all of the variables and any functions for the running shell, in alphabetical order. It includes the full definition of the functions. This is one of several ways to view all of the variables in the shell. We suggest you use declare instead, explained later in this chapter, as it shows more information about properties of the variables.
Secondly, set allows you to specify certain options for how the shell runs, all options starting ...
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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.
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.