From ebd0cca3268c1cd1c4421cedd7cec0dc6c68eef8 Mon Sep 17 00:00:00 2001
From: "Kim B. Heino" <b@bbbs.net>
Date: Wed, 7 Oct 2020 20:08:49 +0300
Subject: [PATCH] muninlite: do not crash if empty line is received (#8)

Trivial fix for the following error:

  root@naru:~# echo "" | ./muninlite
  ./muninlite: line 696: do_: not found
  root@naru:~#
---
 muninlite.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/muninlite.in b/muninlite.in
index e9e421f..f0949be 100755
--- a/muninlite.in
+++ b/muninlite.in
@@ -119,7 +119,7 @@ do
   arg1=$(echo "$arg1" | xargs)
   if ! echo "$FUNCTIONS" | grep -qwF "$arg0"; then
     echo "# Unknown command. Try $(echo "$FUNCTIONS" | sed -e 's/\( [[:alpha:]]\{1,\}\)/,\1/g' -e 's/,\( [[:alpha:]]\{1,\}\)$/ or\1/')"
-  else
+  elif [ -n "$arg0" ]; then
     "do_$arg0" "$arg1"
   fi
 done