Combine multiple MP3 files from multiple folders into an audiobook

megemp3.sh

#!/bin/bash

# Requires http://mp3wrap.sourceforge.net/
# Require rename

# Correct sorting for me, NOT: 1, 10, 11, 2 ,...
# Names the MP3 to current directory name
# Replaces whitespace in file and folder names by single underscore

# This script is usefull if your direcorie names are like: VCD_2019_7_26_(1), VCD_2019_7_26_(2), ...
# This script is usefull if your direcorie names are like: _title_.mp3, _title_ (1).mp3, _title_ (2).mp3, ...

find . -depth -name "* *" -execdir rename 's/ /_/g' "{}" \;

find . -name '*.mp3'|sort -V|xargs mp3wrap $(basename $PWD | sed 's/\ /_/g').mp3