titleupdate.sh

#!/bin/bash
#
# titleupdate.sh rev 2
#
# by Molukki on 12 Jan 2012
#
# This file is public domain.
#

# Set field separator to newline
OLDIFS=$IFS
IFS=$(echo -en "\n\b")

# Check for cmd line parameters
if [ "x$1" == "x" ]
then
    echo "Usage: $0 [FILE]... [DIR]..."
    exit 1
fi

# Function to download a title update
#
# Takes one parameter: the ISO file
function get_title_update
{
    # Save current dir
    CURRENTDIR=$(pwd)
    # Get path component
    ISOPATH=$(dirname "$1")
    # Use ABGX360 to extract the Media ID from ISO file
    MEDIAID=$(abgx360 -f -g -o -w --noverify 2>/dev/null "$1" \
      | grep -i "XEX Media ID" | head -1 | cut -d '-' -f 2)

    # Check if ID was found, return if not
    if [ "x$MEDIAID" == "x" ]
    then
        echo "No Media ID found for file $1. (Not an XBox360 iso?)"
        return 0
    fi

    echo " === Searching for Media ID $MEDIAID for file $1"
    echo -n " === "
    # Scrape for title update from xbuc.net.
    curl -s "http://www.xbuc.net/?searchString=$MEDIAID" \
      | grep '^<td>' | tr -d '\n' | tr -d '\r' | sed 's/<\/td>/<\/td>\n/g' \
      | head -n 6 | while read DATA
    do
        echo -n $DATA | sed 's/<[^>]*>//g'
        echo -n "  "
        # Check for title update name in line
        if [[ "$DATA" =~ "details=" ]]
        then
            TITLE=$(echo $DATA | sed 's/<[^>]*>//g')
        fi
        # Check for title update download URL in line
        if [[ "$DATA" =~ "download" ]]
        then
            echo
            # Create title update directory in ISO path
            mkdir 2>/dev/null "$ISOPATH/$TITLE"
            cd "$ISOPATH/$TITLE"
            # Extract download path from line
            DOWNLOAD=$(echo "$DATA" | cut -d "'" -f 2 | sed 's/\&amp;/\&/g')
            # Fetch the real download location from xbuc.net
            LOCATION=$(curl -s -D - http://www.xbuc.net/$DOWNLOAD \
              | grep Location: | cut -d ' ' -f 2- | tr -d '\n' | tr -d '\r')
            echo
            echo "=== Downloading $ISOPATH/$TITLE from $LOCATION"
            echo
            # Download the update!
            wget -N --tries=3 $LOCATION
            # Check return value. If download failed, try direct download.
            RETVAL=$?
            if [ $RETVAL -ne 0 ]
            then
                LOCATION=$(echo $LOCATION | sed 's/.nyud.net//')
                echo
                echo " === Downloading $ISOPATH/$TITLE from $LOCATION"
                echo
                wget -N --tries=1 $LOCATION
            fi
        fi
    done
    cd "$CURRENTDIR"
}

for ARG in "$@"
do
    # Test if file
    if [ -f "$ARG" ]
    then
        get_title_update "$ARG"
    fi

    # Test if path
    if [ -d "$ARG" ]
    then
        # Find all .iso files in path
        for ISOFILE in $(find $ARG -iname '*.iso')
        do
            get_title_update "$ISOFILE"
        done
    fi

done

# Restore field separator
IFS=$OLDIFS