February 2018
Intermediate to advanced
340 pages
9h 43m
English
Content preview from Go Standard Library Cookbook
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How it works…
Since Go 1.8, the Executable function from the os package is the preferred way of resolving the path of the executable. The Executable function returns the absolute path of the binary that is executed (unless the error is returned).
To resolve the directory from the binary path, the Dir from the filepath package is applied. The only pitfall of this is that the result could be the symlink or the path it pointed to.
To overcome this unstable behavior, the EvalSymlinks from the filepath package could be applied to the resultant path. With this hack, the returned value would be the real path of the binary.
The information about the directory where the binary is located could be obtained with the use of the Executable function in ...
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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.