manage_rtorrent_queue.sh

#!/bin/bash
# Moves torrents from the queue directory into the watch directory.
#
# Example usage:
# * manage_rtorrent_queue.sh movies 3
# * manage_rtorrent_queue.sh software 1

# Check for proper number of command line args.

EXPECTED_ARGS=2
E_BADARGS=65

if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: `basename $0` <folder_name> <max_downloads>"
  echo
  echo "  Example: `basename $0` movies 3" 
  exit $E_BADARGS
fi

MAX_DOWNLOADS=$2
QUEUE_DIR=/srv/multimedia/watch/$1/queue
WATCH_DIR=/srv/multimedia/watch/$1/

LOG=/tmp/manage_rtorrent_queue.log
TIMESTAMP=`date +"%x %H:%M"`

NUM_TOTAL=`find $WATCH_DIR/. -type f | wc -l | awk '{print $1}'`;
NUM_QUEUE=`find $QUEUE_DIR/. -type f | wc -l | awk '{print $1}'`;
# Uncomment below if the queue directory is NOT a subdirectory of watch
# NUM_DOWNLOADING=$NUM_TOTAL
# The queue directory is a sudirectory of the watch directory
NUM_DOWNLOADING=$((NUM_TOTAL-NUM_QUEUE))

# RENAME ALL BLANKS TO UNDERSCORES
cd $QUEUE_DIR || exit 1
FOUND=0                   # Successful return value.
for filename in *         #Traverse all files in directory.
do
     echo "$filename" | grep -q " "         #  Check whether filename
     if [ $? -eq $FOUND ]                   #+ contains space(s).
     then
       fname=$filename                      # Strip off path.
       n=`echo $fname | sed -e "s/ /_/g"`   # Substitute underscore for blank.
       mv "$fname" "$n"                     # Do the actual renaming.
     fi
done   

# MOVE THE FILES
echo $TIMESTAMP $1 QUEUED:$NUM_QUEUE DOWNLOADING:$NUM_DOWNLOADING | tee --append $LOG

if [ $NUM_DOWNLOADING -lt $MAX_DOWNLOADS ] && [ $NUM_QUEUE -gt 0 ]; then
	num_to_move=$((MAX_DOWNLOADS-NUM_DOWNLOADING))
	echo $TIMESTAMP Moving $num_to_move files | tee --append $LOG
        i=0;
        until [ $i -eq $num_to_move ]; do
		queued_tor=`find $QUEUE_DIR/. -type f |sort | head -1 | sed 's/\ /\\ /g'`;
		echo "  $queued_tor" | tee --append $LOG
		mv -v $queued_tor $WATCH_DIR
		i=$((i+1))
	done
	
fi
exit 0