At this year’s [FOSDEM] conference I did a 20 minutes presentation on how to implement tail -f in [Go]. The video is available below.

Abstract: As part of a log file monitoring tool, I implemented a file tailer that keeps reading new lines from log files. This turned out to be much more challenging than I thought, especially because it should run on multiple operating systems and it should be robust against logrotate. In this 20 Minutes talk I will present the lessons learned, the pitfalls and dead-ends I ran into.

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