September 2017
Intermediate to advanced
466 pages
9h 33m
English
Content preview from Go Systems Programming
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Rotating log files
Log files tend to get bigger and bigger all the time because data is written to them all the time; it would be good to have a technique for rotating them. This section will present such a technique. The name of the Go program will be rotateLog.go, and it will be presented in three parts. Note that for a process to rotate a log file, the process must be the one that opened that log file for writing. Trying to rotate a log that you do not own might create problems on your Unix machine, and should be avoided!
What you will also see here is another technique where you use your own log file for storing your log entries, with the help of log.SetOutput(): after a successful call to log.SetOutput(), each function call to log.Print() ...
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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.