How to extract the line containg Duration only?

Question

I want to extract the line Duration: 00:03:51.05, start: 0.025056, bitrate: 131 kb/s from output of ffprobe test.mp3.

ffprobe  test.mp3  |grep  Duration

All lines were output with my desired line, how to output my desired line only?

This might help: https://trac.ffmpeg.org/wiki/FFprobeTips – Cyrus Jul 25 '17 at 04:24 — Cyrus, Jul 25 '17 at 04:24

score 0 · Accepted Answer · answered Jul 25 '17 at 04:18

0

Replace | by 2>&1 | to redirect stderr to stdout.

answered Jul 25 '17 at 04:18

Cyrus

score 0 · Answer 2 · answered Jul 25 '17 at 04:31

0

ffprobe test.mp3 2>&1 | awk -F'[ ,]' '/Duration/{print $4}'
00:03:51.05

answered Jul 25 '17 at 04:31

2 Answers2