Bulk Download this year's Daily Audio Bible Files DAB

#!/bin/bash
######################################################################
#Copyright (C) 2018  Kris Occhipinti
#https://filmsbykris.com

#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.

#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.
######################################################################

function main(){
  echo "Welcome..."
  getlist|while read link;
  do
    url="https://player.dailyaudiobible.com${link}"
    m4a="$(wget -qO- "$url"|\
      grep m4a|\
      sed 's/"url":"/\n/g'|\
      tail -n1|\
      cut -d\" -f1|\
      sed 's/\\//g')"
    if [ "$m4a" != "" ]
    then
      echo "Download link is $m4a"
      wget -c "$m4a"
    fi
  done
  exit 0
}

function getlist(){
  url="https://player.dailyaudiobible.com/dab/91881"
  wget -qO- "$url"|\
    grep "dab/[0-9]"|\
    cut -d\" -f2
}

main