copy_folder_by_filename

IFS=$'\n'
if [ $# == 2 ]; then
    if [ ! -d $1 ]; then
    echo "Error: directory $1 does not exist"
    else
    dir=$1
    len=$((${#dir} + 1))
    if [ ! -d $2 ]; then
        mkdir $2
    fi
    for i in `ls -R $1`
    do
        src=`echo $i | cut -d : -f 1`
        if [ -d $src ]; then
        dir=$src
        fi
        dest=$2/`echo $dir | cut -c $len-`
        if [ ! -d $dest ]; then
        mkdir $dest
        fi
        if [ -f $dir/$i ]; then
        cp -v $dir/$i $dest
        fi
    done
    fi
else
    echo "On some MP3 player, the play order depends on wich files are copied first.
Folder files will be copied alphabetically by filename, subfolders included.

Usage: $0 source_directory destination_directory"
fi