merge_flacs

#!/bin/bash

if [[ -f "concatenate.raw" ]]; then
    rm "concatenate.raw"
fi

find ./ -type f -iname "*.flac" | sort | while read FILE; do
    printf "$FILE\n"

    ffmpeg -y -i "$FILE" -f s16le -acodec pcm_s16le - >> "concatenate.raw" 2> log < /dev/null
    if [[ $? -ne 0 ]]; then
        cat log
        exit 1
    fi

    printf "Status: $?\n"
done

ffmpeg -y -f s16le -ar 44.1k -ac 2 -i "concatenate.raw" "final.flac"