February 2018
Intermediate to advanced
340 pages
9h 43m
English
Content preview from Go Standard Library Cookbook
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How it works…
The Go standard library provides a simple way of calling the external process. This could be done by the Command function of the os/exec package.
The simplest way is to create the Cmd struct and call the Run function. The Run function executes the process and waits until it completes. If the command exited with an error, the err value is not null.
This is more suitable for calling the OS utils and tools, so the program does not hang too long.
The process could be executed asynchronously too. This is done by calling the Start method of the Cmd structure. In this case, the process is executed, but the main goroutine does not wait until it ends. The Wait method could be used to wait until the process ends. After the Wait method ...
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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.