#!/bin/bash
# By Linc 10/1/2004
# Find the latest script at http://linc.homeunix.org:8080/scripts/bashpodder
# Last revision 07/01/2005 - 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)

# Check for and create datadir if necessary:
if test ! -d "$datadir"
        then
        mkdir "$datadir"
fi

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

# If this is the first time, touch podcast.log to shut up the grep below.
if ! [ -e podcast.log ]
	then
	touch podcast.log
fi

# Read the bp.conf file and wget any url not already in the podcast.log file:
while read podcast
	do
	file=$(wget -q $podcast -O - | xsltproc parse_enclosure.xsl - 2> /dev/null) || file=$(wget -q $podcast -O - | tr '\r' '\n' | tr \' \" | sed -n 's/.*url="\([^"]*\)".*/\1/p')
	for url in $file
		do
		if ! grep "^$url$" podcast.log > /dev/null
			then
			wget -q -P "$datadir" "$url" && echo "$url" >> temp.log
		fi
		done
	done < bp.conf
# Move dynamically created log file (if any) to permanent log file:
if [ -s temp.log ]
	then
	cat podcast.log >> temp.log
	sort -u temp.log > podcast.log
fi
rm -f temp.log

# If nothing was downloaded, just remove the download directory.  Else
# create an m3u playlist:
if ! rmdir 2> /dev/null "$datadir"
	then
	ls "$datadir" | grep -v '\.m3u$' > "$datadir"/podcast.m3u
fi