awk

This article is considering formatting date and time and sorting by date and time.

My example orders look like this

When transcode video or catch bugs in live stream, sometimes it is necessary to log ffmpeg messages with also date and time. This is possible with awk.

Insert date and time to ffmpeg log messages using awk

Here we use test stream link from [3]. We run ffplay for check its work:

ffplay https://cph-p2p-msl.akamaized.net/hls/live/2000341/test/master.m3u8 2>&1 | awk 'NF {print strftime("%Y-%m-%d %H:%M:%S"), $0; fflush()}'

Explanation: