#!/bin/bash
# By Linc 10/1/2004
# Find the latest script at http://linc.homeunix.org:8080/scripts/bashpodder
# Last revision 10/23/2004 - The Lee Colleton/Wari Wahab/Dann Washko version.
# 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!
# Modified & simplified 11/08/2004 by jagelado at http://www.informediario.com
# based on contribs by Clay_England and Rodrigo_Stulzer

#VARS
# default values. Maybe wanna change path.
#
path=~
log=podcast.log
conf=bp.conf

# Quickie change to make the script more cron friendly
# Contributed by Wari Wahab
workdir=`dirname $0`

cd $workdir

# datadir is the directory you want the audio files to be put into
# I used a date string which will create a new directory every day
# Changed to iso date format as suggested by Lee Colleton!
# Updated to work on OSX by Dann Washko
datadir=$path`date +%Y-%m-%d`

echo "downloading podcasts to..."
echo $datadir

# test for temporary file and delete if it exists
if test -f temp.data
       then
       rm temp.data
fi

# test for existance of data directory and create if not there
if test ! -d $datadir
       then
       mkdir $datadir
fi

# test for existance of log file and create if not there
if test ! -f podcast.log
       then
       touch podcast.log
fi

# Read the conf file for rss feeds you wish to grab audio from
# Used the sed line from Rodrigo Stulzer to better take care of
# non-standard rss. (JCE)

IFS_T=${IFS}
IFS='
'
I=0
while read url
       do
               for url in $(wget -q ${url} -O - | sed 's/<enclosure/\n<enclosure/g' | grep "<enclosure " | tr \' \" | sed -n 's/.*url="\([^"]*\)".*/\1/p')
                       do
                               if ! grep "${url}" ${log} > /dev/null
                               then
                                       wget -q -P ${datadir} ${url}
                                       echo ${url} >> ${log}
                               fi
                               #save all urls for uptodate log file
                               #if -l flag is thrown
                               if [ "${lt}" == "set" ]; then
                                       NEWLOG[${I}]=${url}
                                       ((I += 1))
                               fi
                       done

       done < ${conf}
IFS=${IFS_T}

#Write a new log file containing only urls in current rss feeds.
#if -l flag is thrown.
echo "writing podcasts downloaded to log..."
if [ "${lt}" == "set" ]; then
       /bin/rm ${log}
       for urllog in "${NEWLOG[@]}"; do
               echo ${urllog} >> ${log}
       done
fi

# That's it!
# Oh yeah, you probably want an m3u playlist (at least I do)
ls $datadir | grep -v m3u > $datadir/podcast.m3u