Add aping audible ping tool

.bashrc.d/aping.bash

@@ -0,0 +1,11 @@
+aping() { # aping: beep when ping fails (reverse behavior of `ping -a <address>`)
+	local address="$1"
+	while true; do
+		if ping -c 1 $address; then
+			:
+		else
+			printf "\a"
+		fi
+		sleep 1
+	done
+}