From c65d21ae38bdfb646af991a5f3b1dfe8e41a5318 Mon Sep 17 00:00:00 2001
From: Christopher Vogt <oss.nsp@cvogt.org>
Date: Thu, 15 Jun 2017 22:33:22 -0400
Subject: warn on empty loop file (as seen) and sort loop files for debugging

---
 cbt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cbt b/cbt
index 0a5d4f0..4a5b736 100755
--- a/cbt
+++ b/cbt
@@ -315,11 +315,16 @@ while true; do
 		done
 		files=
 		if [ -f "$CBT_LOOP_FILE" ]; then
-			files=($(cat "$CBT_LOOP_FILE"))
+			files=($(sort "$CBT_LOOP_FILE"))
 			#rm "$CBT_LOOP_FILE"
 		fi
 		echo ""
 		echo "Watching for file changes... (ctrl+c short press for loop, long press for abort)"
+		for file in "${files[@]}"; do
+			if [ $file == "" ]; then
+				echo "warning: empty file found in loop file list" 1>&2
+			fi
+		done
 		fswatch --one-event "${files[@]}"
 	fi
 done
-- 
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