Simplify (and speed up slightly) awk/sed domain name extraction

gravity.sh

@@ -115,8 +115,8 @@ do
 		# Most of the lists downloaded are already in hosts file format but the spacing/formating is not contigious
 		# This helps with that and makes it easier to read
 		# It also helps with debugging so each stage of the script can be researched more in depth
-		awk 'NF {if ($1 !~ "#") { if (NF>1) {print $2} else {print $1}}}' $tmpfile | \
-			sed -e 's/^[. \t]*//' -e 's/\.\.\+/./g' -e 's/[. \t]*$//' | grep "\." > $saveLocation
+        awk '($1 !~ /^#/) { if (NF>1) {print $2} else {print $1}}' $tmpfile | \
+            sed -nr -e 's/\.{2,}/./g' -e '/\./p' > $saveLocation
 		echo "Done."
 	else
 		echo "Skipping list because it does not have any new entries."