Script to refresh the labels in our database

.gitignore

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+labelsOfTorrents.db
+.tmp

refreshDb.sh

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+#!/bin/bash
+
+
+# This script refreshes all labels from the torrent clients
+
+delugeLabels="/etc/deluged/label.conf"		# Path to label.conf in DelugeD conf dir
+deadline="2 months"							# `date -d` compatible time interval
+
+
+PwD=$(readlink -e $0)	# Get the path to this script
+PwD=$(dirname "$PwD")
+db="$PwD/labelsOfTorrents.db"
+
+
+if [ ! -f "$db" ]; then									# db does not exist
+	echo "DB does not exist!" >&2
+	exit 1;
+fi
+if [ -n "$delugeLabels" -a ! -f "$delugeLabels" ]; then
+	echo "label.conf not found at $delugeLabels" >&2
+	exit 1;
+fi
+
+deadline=$(date +%s -d "-$deadline")					# get timestamp of deadline
+#echo $deadline
+
+touch $db.tmp
+while IFS=' ' read -r  time daemon id name label; do	# read DB
+
+	if [ $time -gt $deadline ]; then					# if entry is not too old
+
+		case $daemon in
+		deluge)
+			labelNew=$(grep -m 1 $id $delugeLabels | grep -o ': ".*"' | grep -o '[a-zA-Z0-9_-]*')		# get label from Deluge
+			;;
+		*)
+			echo "Unknown daemon $daemon!" >&2
+			exit 2
+			;;
+		esac
+
+		if [ -n "$labelNew" ]; then
+			label=$labelNew;							# set label
+		fi
+
+		#echo $time $daemon $id $name $label
+		echo $time $daemon $id $name $label >> $db.tmp;	# keep in db
+	#else
+		#echo skipped $time $daemon $id $name $label
+	fi
+done < $db;
+
+mv $db.tmp $db
+chmod 666 $db