Download torrent

download.sh

#!/bin/bash

# Install transmission dependences
# sudo apt-get install transmission-cli transmission-daemon transmission-common
# chmod +x download.sh

DOWNLOAD_DIR=${HOME}"/download"
TRANS_CLI="transmission-cli"
TRANS_SHOW="transmission-show"
TRANS_NOTIFY=${HOME}"/notify.sh"
TCONF=${HOME}"/.config/transmission"
MAX_UPLOAD=200
TMP_NOHUP=${HOME}"/tmp.out"
TMP_TORRENT_FILE=${HOME}"/temp.torrent"

_help()
{
	echo ""
	echo "Control transmission-cli via SSH with minimum typing." 
	echo 
	echo "OPTIONS:"
	echo "--start=<URL>	-- Starts transmission and download torrent file"
	echo "--status	-- Show current progress of download"
	echo "--stop		-- Stop transmission"
	echo "--help		-- Show this help message"
	echo
	echo "USAGE:"
	echo "`basename $0` --start=http://itorrents.org/torrent/7B5FD54D7F69F6BB68B1AF7BE3FBFA2A4489786F.torrent"
	echo "`basename $0` --status"
	echo "`basename $0` --stop"
}

_log()
{
	logger "[TORRENT]: $1"
}

if [ $# -eq 0 ]
  then _help
fi

while [ "$1" != "" ]; do
    case $1 in
		--start* )    
			if [ -n "$1" ]
			then
				TORRENT_URL=$(echo $1 | cut --only-delimited --delimiter="=" --fields=2)
				if [ -n "$TORRENT_URL" ]
				then
					wget $TORRENT_URL -q -O $TMP_TORRENT_FILE
					nohup $TRANS_CLI -u $MAX_UPLOAD -f $TRANS_NOTIFY -w $DOWNLOAD_DIR $TMP_TORRENT_FILE > $TMP_NOHUP 2>&1 &

					TORRENT_HASH=$($TRANS_SHOW $TMP_TORRENT_FILE | grep -Eo "Hash: (.*)" | tr -d "Hash: ")
					TORRENT_NAME=$($TRANS_SHOW $TMP_TORRENT_FILE | head -n 1 | tr -d "Name: ")

					shift
					echo "pid $!"
					_log "Start torrent; PID: ($!), HASH: ($TORRENT_HASH), URL: ($TORRENT_URL)"
				else
					echo "No torrent url specified!"
					exit 1;
				fi
			else
				echo "No torrent url specified!"
				exit 1;
			fi
			;;
    
	    --status )      
			tail  $TMP_NOHUP
            ;;
    
	    --follow )	
			tail -f $TMP_NOHUP
       		;;

		--tail-syslog )
			tail -f /var/log/syslog | grep "TORRENT"
			;;
    
	    --clean )
		    rm -v ${TCONF}/torrents/*.torrent ${TCONF}/resume/*.resume $TMP_NOHUP
			rm $TMP_TORRENT_FILE
			_log "Clean torrent files"
            ;;
    
	    --stop )	
			killall -u $USER -v $TRANS_CLI
			_log "Kill transmission-cli"
            ;;
    
	    --help ) 
			_help
            ;;

		* )	
			echo "Unknown option: $1"
			echo "`basename $0` --help for more info."
			;;
    esac
    shift
done