anchor.diff:    do
       cat >> "${rss_path}" <<__EOF
        <item>
  -        <title>$tf</title>
  -        <guid>${rss_dirurl}/$tf</guid>
  -        <pubDate>`date -R -r $tf`</pubDate>
  +        <title>${tf}</title>
  +        <guid>${rss_dirurl}/${tf}</guid>
  +        <pubDate>`date -R -r ${tf}`</pubDate>
           <category>OpenStreetMap</category>
  -        <link>${rss_dirurl}/$tf</link>
  -        <enclosure url="${rss_dirurl}/$tf" length="`find -maxdepth 1 -name ${tf%.torrent} -printf "%s"`" type="application/x-bittorrent" />
  -        <description>OSM Torrent $tf (torrent size: `find -maxdepth 1 -name $tf -printf "%s"`)</description>
  +        <link>${rss_dirurl}/${tf}</link>
  +        <enclosure url="${rss_dirurl}/${tf}" length="`find -maxdepth 1 -name ${tf%.torrent} -printf "%s"`" type="application/x-bittorrent" />
  +        <description>OSM Torrent ${tf} (torrent size: `find -maxdepth 1 -name ${tf} -printf "%s"`)</description>
        </item>
   __EOF
     done
   
     # RSS footer
     printf '</channel>\n</rss>\n' >> "${rss_path}"
  -  cd "$old_pwd"
  +  cd "${old_pwd}"
     mv "${rss_path}" "${disk_dir}"
   }
   
  
positive.code: 
    # RSS header
    printf '%s\n' \
       '<?xml version="1.0" encoding="utf-8"?>' \
       '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">' \
       '<channel>' > "${rss_path}"
    cat >> "${rss_path}" <<__EOF
       <title>OpenStreetMap planet torrent RSS</title>
       <link>${rss_baseurl}</link>
       <atom:link href="${rss_dirurl}/${rss_name}" rel="self" type="application/rss+xml" />
       <description>RSS feed for ${type}.osm.${format}.torrent</description>
       <language>en-us</language>
  
negative.code: 
  # Function to create RSS/Atom feed for .torrent files
  function mk_rss {
    type="$1"
    format="$2"
    web_dir="$3"
    disk_dir="$4"
    old_pwd="$PWD"
    rss_name="${type}-${format}-rss.xml"
    rss_path="${old_pwd}/${rss_name}"
  