media_duration.sh

#!/bin/bash

# usage ./mdia_suration.sh $(pwd) mp4

len=0;
for f in $1/*.$2; do   
	echo -ne "$f\t";   
	dur=`ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$f"`;
	number=`echo "$dur/1" | bc`;
	printf '%dh:%dm:%ds\n\n' $(($number/3600)) $(($number%3600/60)) $(($number%60))
	len=$(( $len + $number ))
done

printf "Total Media files duration:\t %dh:%dm:%ds\n\n" $(($len/3600)) $(($len%3600/60)) $(($len%60))