#!/bin/sh
# (C)opyleft DG6FL Gerolf Ziegenhain <g@ziegenhain.com> 2010
# Released under GPLv2

PTH=$PWD
for wpm in 5 10 13 15 18 20 25 30 35 40; do
DIR=${wpm}wpm
FEED=index.html

echo Processing $DIR ...
[[ -e $DIR ]] || mkdir $DIR

# Download and tag mp3s
cd $DIR
#wget --no-parent --accept txt,mp3 --no-directories --mirror http://www.arrl.org/w1aw/morse/Archive/${wpm}%20WPM%20files/

# Create feed
cat << eof > $FEED
<?xml version="1.0" encoding="ISO-8859-1"?>
<rss  xmlns:itunes="http://www.itunes.com/DTDs/Podcast-1.0.dtd" version="2.0">
    <channel>
        <title>ARRL CW Training Files @${wpm}wpm</title>
        <description>This is a podcast for using the latest W1AW Code Practice Files at the speed of ${wpm}wpm in mp3 format, which can be found here: http://www.arrl.org/w1aw/morse.html. The files are copyrighted by the ARRL and this podcast only provides links to them. You can find the script used to create this podcast <a href=http://rss.ziegenhain.com/cw-arrl/create_feed>here</a>.</description>
        <link>http://rss.ziegenhain.com/cw-arrl/$DIR</link>
        <itunes:image href="http://rss.ziegenhain.com/cw-arrl/cover.jpg" />
        <lastBuildDate>$(date)</lastBuildDate>
        <image>
            <url>http://rss.ziegenhain.com/cw-arrl/cover.jpg</url>
            <title>Samuel Morse</title>
            <link>http://rss.ziegenhain.com/cw-arrl/$DIR</link>
            <description>Feed provided by DG6FL Gerolf Ziegenhain.</description>
        </image>
        <itunes:owner>
            <itunes:name>DG6FL Gerolf Ziegenhain</itunes:name>
            <itunes:email>dg6fl@arrl.net</itunes:email>
        </itunes:owner>
        <category>Fun</category>
        <itunes:subtitle>ARRL CW Training Files @${wpm}wpm</itunes:subtitle>
        <itunes:author>DG6FL Gerolf Ziegenhain</itunes:author>
        <copyright>ARRL</copyright>
        <language>en</language>
        <itunes:explicit>No</itunes:explicit>
eof

nfiles=$(ls -la *mp3 |sort -k 6 |awk 'NF>3' | wc -l)
for i in $(seq 1 $nfiles); do echo -ne "."; done; echo -ne "\r";
i=1
for f in *mp3; do
   echo -ne "o"
   date=$(date -r $f +%Y-%m-%d)
   year=$(date -r $f +%Y)
   textfile=${f/WPM.mp3/.txt}
   text=$(cat $textfile)
   title=${f/WPM.mp3/}
   size=$(du $f -b| cut -f 1)
   url="http://rss.ziegenhain.com/cw-arrl/$DIR/$f"
   length=$(mp3info -F -x $f 2>&1| awk '/Length/{print$2}')
   #eyeD3 --remove-all $f 2>/dev/null 1>/dev/null
   echo -ne "\bO"
   #eyeD3 --artist="ARRL W1AW Code Practice" --album "${wpm}wpm" --title=$title --track=$i --year=$year --lyrics="english:text:$text" --add-image="$PTH/cover.jpg":FRONT_COVER --comment '(C)opyright ARRL, see http://www.arrl.org/w1aw/morse' $f 2>/dev/null 1>/dev/null
   echo -ne "\bx"
cat << eof >> $FEED
   <item>
   <title>$f</title>
   <link>$url</link>
   <description>$text</description>
   <author>ARRL</author>
   <pubDate>$(echo -ne $date)</pubDate>
   <enclosure url=$url length=$(echo -ne $size) type=audio/mpeg />
   <guid>$url</guid>
   <itunes:duration>$length</itunes:duration>
   <itunes:author>ARRL</itunes:author>
   </item>
eof
   i=$(($i+1))
   echo -ne "\bX"
done
cat << eof >> $FEED
    </channel>
 </rss>
eof
echo done.

cp index.html feed.rss
cd ..

done