From 1e9e8fc03369fd63f2de8bd0d5f46f06e10b552f Mon Sep 17 00:00:00 2001
From: Anton Bobov <abobov@gmail.com>
Date: Fri, 14 Oct 2016 19:48:56 +0500
Subject: Fix screen toggle.

---
 f7-script.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/f7-script.sh b/f7-script.sh
index 0f2d2d6..8675e9c 100755
--- a/f7-script.sh
+++ b/f7-script.sh
@@ -2,8 +2,15 @@
 
 set -e
 
-INTERNAL=$(xrandr --query | gawk '/^LVDS[0-9] connected /{ print $1; exit }')
-EXTERNAL=$(xrandr --query | gawk '!/^LVDS[0-9]/ && / connected /{print $1; exit }')
+INTERNAL=$(xrandr --query | gawk '/^LVDS-?[0-9] connected /{ print $1; exit }')
+EXTERNAL=$(xrandr --query | gawk '!/^LVDS-?[0-9]/ && / connected /{print $1; exit }')
+
+if [ -z "$INTERNAL" ] ; then
+    echo "WARN: No internal screen."
+fi
+if [ -z "$EXTERNAL" ] ; then
+    echo "WARN: No external screen."
+fi
 
 show_usage() {
     cat <<END
-- 
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