gistfile1.sh

#!/bin/bash

# heavensgate.sh
# Download all current available heavensgate.co.uk podcast episodes.

XMLSRC="http://audiops.net/_promo/heavensgate_facebook/list_audioplayer.php"
BASEDL="http://audiops.net/_promo/heavensgate_facebook/"
OUTDIR="`dirname $0`/heavensgate"
mkdir -p "$OUTDIR"

# Get list

BODY=`curl -s "$XMLSRC"`
if [ $? -ne 0 ] ; then
        exit 1
fi
URLS=`echo "$BODY" | grep location | sed -re 's/^[^>]+>([^<]+)<.*$/\1/'`

# Download missing files

while read -r url ; do
        BASENAME=`basename "$url"`

        if [ ! -f "$OUTDIR/$BASENAME" ] ; then
                wget -O "$OUTDIR/$BASENAME" "${BASEDL}${url}"
                chmod 644 "$OUTDIR/$BASENAME"
        fi

done <<< "$URLS"

# Tidy up

exit 0