From 3ff512a163dd8cdcaa95e21122edca306e50dde3 Mon Sep 17 00:00:00 2001
From: Tomek Mrugalski <tomasz@isc.org>
Date: Wed, 6 Mar 2019 11:53:42 +0100
Subject: [PATCH] Replaced ! -z with -n

---
 src/bin/keactrl/keactrl.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bin/keactrl/keactrl.in b/src/bin/keactrl/keactrl.in
index 4ea7384885..979d7668ae 100644
--- a/src/bin/keactrl/keactrl.in
+++ b/src/bin/keactrl/keactrl.in
@@ -109,7 +109,7 @@ get_pid_from_file() {
     pid_file_dir=@localstatedir@/@PACKAGE@
 
     # Use directory override if set (primarily for testing only)
-    if [ ! -z "$KEA_PIDFILE_DIR" ]; then
+    if [ -n "$KEA_PIDFILE_DIR" ]; then
         pid_file_dir=${KEA_PIDFILE_DIR}
     fi
 
-- 
2.47.2