Bash Script to download Title Update for xbox360

#!/bin/bash
#
# updateTitleXbox.sh
#
# by Molukki on 12 Jan 2012, 18 Jan 2012
# changed by pabloalc on 18 Jan 2012
# This file is public domain.
#
# Search all isos in a folder an download the TU

function marketplace {

echo "==== Searching for Media ID $MEDIAID on marketplace.jqe360.com"

# Search for update name and download URL from marketplace.jqe360.com
HTMLDATA=$(curl -s "http://marketplace.jqe360.com/index.php?search=$1" \
  | egrep '(details&name|Direct)' | head -2 | tr -d '\n')

# Extract download URL from html data
RELATIVE_DOWNLOAD_URL=`echo $HTMLDATA | cut -d '"' -f 2`

# Get the filename from the download url HTTP headers
DOWNLOAD_FILENAME=$(
    ( echo "HEAD $RELATIVE_DOWNLOAD_URL HTTP/1.0"
      echo "Host: marketplace.jqe360.com"
      echo ) | nc marketplace.jqe360.com 80 | grep 'filename=' \
             | cut -d '=' -f 2 | tr -d '\n' | tr -d '\r')

# Extract update name from html data
UPDATENAME=`echo $HTMLDATA | cut -d '>' -f 3 | cut -d '<' -f 1`

INFO="marketplace.jqe360 - `date` - $UPDATENAME - $DOWNLOAD_FILENAME"
if [ "$UPDATENAME" ]
   then
      INFO="marketplace.jqe360 - `date` - $UPDATENAME -
$DOWNLOAD_FILENAME"
      download "$DOWNLOAD_FILENAME" \
          "http://marketplace.jqe360.com$RELATIVE_DOWNLOAD_URL" \
          "$INFO" "$UPDATENAME"
   #else
   #   echo "==== No Title Updates for $MEDIAID on marketplace.jqe360"
fi
}

function xbuc {

echo "==== Searching for Media ID $MEDIAID on xbuc.net"
curl -s "http://www.xbuc.net/?searchString=$MEDIAID" \
  | grep '^<td>' | tr -d '\n' | tr -d '\r' | sed 's/<\/td>/<\/td>\n/g' \
  | head -n 6 | while read DATA
do
    #echo -n $DATA | sed 's/<[^>]*>//g'
    #echo -n "  "
    if [[ "$DATA" =~ "details=" ]]
    then
        TITLE=$(echo $DATA | sed 's/<[^>]*>//g')
    fi
    if [[ "$DATA" =~ "download" ]]
    then
        DOWNLOAD=$(echo "$DATA" | cut -d "'" -f 2 | sed 's/\&amp;/\&/g')
        LOCATION=$(curl -s -D - http://www.xbuc.net/$DOWNLOAD \
          | grep Location: | cut -d ' ' -f 2- | tr -d '\n' | tr -d '\r')
        if [ "${LOCATION##*/}" ]
        then
                INFO="xbuc.net - `date` - $TITLE - ${LOCATION##*/}"
                download "${LOCATION##*/}" "$LOCATION" "$INFO" "$TITLE"
        #else
        #       echo "== No Title Updates for $MEDIAID on xbuc.net"
        fi
     fi
done
}

function download {

        UPDATEFILE="$DIRECTORY/TU/$1"
        if [ -f "$UPDATEFILE" ];
        then
                echo "====== Title Update already exist in: $UPDATEFILE"
        else
                echo "====== Downloading $4"
                wget -q -O "$DIRECTORY/TU/$1" --tries=1 $2
                if [ -f "$UPDATEFILE" ]; then
                        echo "$3">>"$DIRECTORY/TU/updates.txt"
                fi

        fi

}



if [ "x$1" == "x" ]
then
    echo "Usage:"
    echo "$0 <xbox360_image.iso>"
    echo "or:"
    echo "$0 <folder with xbox360 isos>"
    exit 1
fi
find "$1" -iname "*.iso" -print0 | while read -d $'\0' file
do
DIRECTORY=${file%/*}
echo "=============================================================="
echo "== Processing $DIRECTORY"
if [ ! -d "$DIRECTORY/TU" ]; then
     mkdir "$DIRECTORY/TU"
fi
if [ -f "$DIRECTORY/TU/MEDIAID" ]; then
     MEDIAID=`cat "$DIRECTORY/TU/MEDIAID"`
else
    echo "== Executing abgx360 to get MediaID"
    MEDIAID=$(abgx360 -swordv --noheader --dontparsefs "$file" \
        | grep -i "XEX Media ID" | head -1 | cut -d '-' -f 2)
    echo $MEDIAID >"$DIRECTORY/TU/MEDIAID"
fi

if [ "x$MEDIAID" == "x" ]
then
    echo "No Media ID found. (Not an XBox360 iso?)"
    exit 1
fi

marketplace $MEDIAID
xbuc $MEDIAID

done