#!/bin/bash
# By Linc 10/1/2004
# Find the latest script at http://lincgeek.org/bashpodder
# Revision 1.21 12/04/2008 - Many Contributers!
# If you use this and have made improvements or have comments
# drop me an email at linc dot fessenden at gmail dot com
# I'd appreciate it!

# Make script crontab friendly:
cd $(dirname $0)

# datadir is the directory you want podcasts saved to:
datadir=$(date +%Y-%m-%d)

# create datadir if necessary:
mkdir -p $datadir

mkdir -p xmlcache 

# Delete any temp file:
#rm -f temp.log

# Read the bp.conf file and wget any url not already in the podcast.log file:
while read podcast
	do
#        xmlfile=xmlcache/$(echo "$podcast" | awk -F'://' {'print $NF'} | tr '/' '_')
#	echo "$xmlfile"
#	wget -S -t 10 -U BashPodder -N -c -O $xmlfile $podcast
#	file=$(xsltproc parse_enclosure.xsl $xmlfile 2> /dev/null || wget -q $podcast -O - | tr '\r' '\n' | tr \' \" | sed -n 's/.*url="\([^"]*\)".*/\1/p')
    file=$(xsltproc parse_enclosure.xsl $podcast 2> /dev/null || wget -q $podcast -O - | tr '\r' '\n' | tr \' \" | sed -n 's/.*url="\([^"]*\)".*/\1/p')

	for url in $file
		do
		if ! grep "$url" podcast.log > /dev/null
			then
                        original_url=$url
                        # first redirect url to make it pretty
                        for (( tries=0; tries < 10; tries+=1 ))  {
                          newurl=$(curl -s --head "$url" | awk '/^Location:/ {print $2}' | tr -d '\r')
                          if [ "$newurl" != "" ] && [ "$newurl" != "$url" ] 
                            then
                              url=$newurl
                            else 
                              break
                          fi 
                        }                        
			wget -t 10 -U BashPodder  -q -O $datadir/$(echo "$url" | awk -F'/' {'print $NF'} |  awk -F'?' {'print $1'}) "$url"
			if [ $? == 0 ]; 
				then
				echo $original_url >> temp.log
			else
				echo "Could not download $url"
			fi
		fi
		done
	done < bp.conf
# Move dynamically created log file to permanent log file:
cat podcast.log >> temp.log
sort temp.log | uniq > podcast.log
rm temp.log
# Create an m3u playlist:
ls -rt $datadir/*.{ogg,mp3} > $datadir/podcast.m3u