cleanname merges files and doesnt delete randomly

.local/bin/etc/cleanname

@@ -5,11 +5,16 @@ do
 	newname=`echo "$oldname" | tr '[:upper:]' '[:lower:]' | sed 's/\ /_/g; s/Ö/oe/g; s/Ä/ae/g; s/Ü/ue/g; s/ö/oe/g; s/ä/ae/g; s/ü/ue/g; s/ß/ss/g'`;
 	if [ "$oldname" != "$newname" ]; then
 		if [ -f "$newname" ]; then
-			echo "skipping $newname, because it already exists";
+			echo "skipping $newname, because it already exists"
+			rm "$oldname";
 		else
-			echo "$newname exists, copying $oldname to $newname"
-			rsync -a "$oldname/." "$newname"
-			rm -r "$oldname";
+			if [ -f "$oldname" ]; then
+				echo "renaming file $oldname to $newname"
+				cp "$oldname" "$newname" && rm "$oldname";
+			else
+				echo "renaming directory $oldname to $newname"
+				cp -r "$oldname/." "$newname" && rm -r "$oldname";
+			fi
 		fi
 
 	fi