#!/bin/bash

url_prefix="https://download-a.akamaihd.net/files/media_bible/DIR/bi12_"
url_suffix="_X.mp3.zip"

n=0
basedir=`dirname $0`

function try {
  d=0
  dhex="00"
  while ! wget -c `echo "$1" | sed "s/DIR/${dhex}/g"` && [ "$d" -lt 256 ]; do
    d=$[d+1]
    dhex=`( echo -n "00"; printf "%x" $d ) | tail -c 2`
    echo "d=${d}, dhex=${dhex}"
  done
}

for chp in `cat ${basedir}/chapterlist.txt`; do
  n=$[n+1]
  npad=`echo -n 00${n} | tail -c 2`
  url="${url_prefix}${npad}_${chp}${url_suffix}" # | sed "s/DIR/${d}/g"`
  echo
  echo "Trying $url..."
  echo
  try "$url"
done