Get video duration using ffprobe from ffmpeg suite

duration-all.sh

#! /bin/sh
DIR=${1:-"."}
find "$DIR" -type f -iname "*.mp4" -print0 | sort -z | xargs -r0 -I{} duration.sh "{}"

duration.sh

#! /bin/sh
FILE=$1
if [ -z "$FILE" ]; then
    echo file paramater is required.
    exit 1
fi

# remove -sexagesimal to get duration in seconds
#DURATION=$(ffprobe -i "$FILE" -show_entries format=duration -v fatal -of csv=p=0)
DURATION=$(ffprobe -i "$FILE" -show_entries format=duration -v fatal -of csv=p=0 -sexagesimal)
echo "$DURATION $FILE"