#!/bin/sh

curl -Ls "$@" |
sed -n '/<item>/,$p' |
sed -e '/^$/d' -e 's/^[	 ]*//' |
awk -vFS='[<>]' '
	/<pubDate>/ { print "Date: " $3; }
	/<title>/ { print "Subject: " $3; }
	/<itunes:summary>/ { print "Summary: " $3; }
	/<enclosure[^>]*>/ { print "Link: " $0; }
	/<itunes:duration>/ { print "Duration: " $3; }
	/<\/item>/ { print ""; }
' |
sed 's,<enclosure[^>]* url="\([^"]*\)".*,\1,'