search() {
    for name in "$1"/*; do
        if [ $filter_flag -eq 1 ] && printf "$name" | grep -qE "^.*\/(.*$filter\w{0,})$"; then
            : # if filter was enabled, ignore dirs and files
        else
            # if file was found, save it's size to array
             if [ -f "$name" ]; then
                file_count=$(($file_count + 1))
                write_f_size "$name"

            # if dir was found, call search function (recursivly)
            elif [ -d "$name" ]; then
                dir_count=$(($dir_count + 1))
                search "$name";
            fi
        fi
    done
}