#!/bin/bash

join() {
    local IFS="$1"
    shift
    echo "$*"
}


#### ARCHIVE
readarray -t durations < <(
  find /var/www/nextcloud/data/radio_admin/files/archive/. -type f \( -iname '*.mp3' -o -iname '*.wav' -o -iname '*.m3u' -o \
                    -iname '*.m4[ab]' -o -iname '*.mpga' -o -iname '*.opus' \) \
                    -exec ffprobe {} -show_format -loglevel -8 \; |
    sed -nE 's/^duration=([0-9\.]+)$/\1/p')

# add + between all durations:
expression=$(join + ${durations[@]})

# calculate the total, including subseconds, round to whole minutes:
totM=$(bc -q <<< "scale=0;($expression)/60")
totH=$(bc -q <<< "scale=0;($totM)/60")
totJ=$(bc -q <<< "scale=0;($totH)/24")



timestamp=$(date)

echo "$timestamp : Total duration of Pl4tform-Archives: $totM minutes / $totH Hours / $totJ Days" >> ./ARCHIVE_music_duration_output.txt