refinement

xdg-sanity.sh

@@ -1,14 +1,20 @@
 #!/bin/sh
-set -e
+set -ex
 
 argv0="$0"
 
 # cats out the configuration or {'\n', EOF} if it can't be found
 stream_config(){
-	cat "$HOME"/.xdg-sanity.conf 2>/dev/null \
-		|| cat "$HOME"/.config/xdg-sanity.conf 2>/dev/null \
-		|| cat /etc/xdg-sanity/xdg-sanity.conf 2>/dev/null \
-		|| echo # empty line
+	for file in \
+			"$HOME"/.config/xdg-sanity.conf \
+			"$HOME"/.xdg-sanity.conf \
+			/etc/xdg-sanity/xdg-sanity.conf \
+			/dev/null
+	do
+		cat "$file" 2>/dev/null \
+			&& break \
+			|| true
+	done
 }
 
 # check if usage is valid