podgrab

#!/bin/bash

RIPPER=/usr/bin/streamripper
TOPDIR=/var/downloads/podcasts
NAME=$1
RSSFILE=${TOPDIR}/${NAME}.xml
MAXITEMS=10
BASE=http://foo.bar/podcasts

URL=$1
LENGTH=$2

[ -d ${TOPDIR}/${NAME} ] || mkdir -p ${TOPDIR}/${NAME}

$RIPPER $STREAM $URL -d ${TOPDIR} -a ${NAME}/${NAME}_%d -l $LENGTH --quiet

rm ${TOPDIR}/$NAME/*cue 
ls -r1 ${TOPDIR}/$NAME/*mp3 | tail -n +$((${MAXITEMS}+1)) | xargs rm -f  

BUILDDATE=$(date +"%a, %d %b %Y %T %Z")
cat <<EOHEADER >$RSSFILE
<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0">
   <channel>
       <title>$NAME</title>
       <description>$NAME captures</description>
       <link>$BASE/$NAME.xml</link>
       <language>en-us</language>
       <copyright>None</copyright>
       <lastBuildDate>$BUILDDATE</lastBuildDate>
       <pubDate>$BUILDDATE</pubDate>
EOHEADER


for item in $(find ${TOPDIR}/${NAME} -name \*.mp3)
do
URL=$(echo $item | sed "s#$TOPDIR#$BASE#")
SIZE=$(ls -l $item | awk '{print $5}')
ITEMDATE=$(date -r $item +"%a, %d %b %Y %T %Z")
cat <<EOITEM >>$RSSFILE
       <item>
         <title>$NAME</title>
         <link>$URL</link>
         <guid>$URL</guid>
         <description></description>
         <enclosure url="$URL" length="$SIZE" type="audio/mpeg"/>
         <category>$NAME</category>
         <pubDate>$ITEMDATE</pubDate>
       </item>
EOITEM
done

cat <<EOFOOT >>$RSSFILE
  </channel>                                                          
</rss>                                                                
EOFOOT