Corrected a bug in the database downloader.

Author: StuntsPT

helper-scripts/database-downloader.sh

@@ -38,10 +38,14 @@ echo "Downloading the nr databse... This *will* take a while, please be patient.
 wget -c $nr_url/nr* -P $datadir/nr/
 
 #Uncompress the files
-tar xfvz $datadir/nr/*.gz -C $datadir/nr
+chmod 744 $datadir/nr -R
+for i in $datadir/nr/*
+do
+	tar xfvz $i -C $datadir/nr
+done
 
 echo ""
 echo "If no errors occurred, (dead links, etc..) both the nr and Univec \
 databases are now readt to use in your system."
 echo "Please add the correct paths to your 4Pipe4rc file."
-echo ""
+echo ""