Add a simple script to watch for mapfile changes

ddwatch.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -eu
+file="$1"
+str='Current'
+interval=5
+ding="/usr/share/bzflag/pop.wav"
+
+last="$(grep "$str" "$file")"
+while sleep $interval
+do
+	cur="$(grep "$str" "$file")"
+	test "$cur" != "$last" && mpv "$ding"
+	last="$cur"
+done