From a6d1175a73d2b67162fa812e1f94c21b8ad64f72 Mon Sep 17 00:00:00 2001
From: ndwarshuis <ndwar@yavin4.ch>
Date: Sat, 23 Jul 2022 19:32:20 -0400
Subject: [PATCH] ENH use exit code to query smartd

---
 src/modules/filesystem.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/modules/filesystem.lua b/src/modules/filesystem.lua
index 5a27ffe..8c36ebb 100644
--- a/src/modules/filesystem.lua
+++ b/src/modules/filesystem.lua
@@ -16,8 +16,8 @@ return function(config, main_state, common, width, point)
       local obj = common.make_text_row(point.x, y, width, 'SMART Daemon')
       local update = function()
          if main_state.trigger10 == 0 then
-            local pid = i_o.execute_cmd('pidof smartd', nil, '*n')
-            common.text_row_set(obj, (pid == '') and 'Error' or 'Running')
+            local rc = i_o.exit_code_cmd('pidof smartd > /dev/null')
+            common.text_row_set(obj, (rc == 0) and 'Running' or 'Error')
          end
       end
       return common.mk_acc(