tests: use -z / -n to test for string empty / non-empty

[babeltrace.git] / tests / plugins / flt.utils.muxer / succeed / test_succeed

diff --git a/tests/plugins/flt.utils.muxer/succeed/test_succeed b/tests/plugins/flt.utils.muxer/succeed/test_succeed
index 10d9b414c5c33ff2f47e1287c9dc852253217466..578ac223600ce80e5af30320fe722a9f9145699f 100755 (executable)
--- a/tests/plugins/flt.utils.muxer/succeed/test_succeed
+++ b/tests/plugins/flt.utils.muxer/succeed/test_succeed
@@ -1,26 +1,15 @@
 #!/bin/bash
 #
-# Copyright (C) 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; only version 2
-# of the License.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# Copyright (C) 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
 #
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 # This file tests what happens when we mux messages.
 
 SH_TAP=1
 
-if [ "x${BT_TESTS_SRCDIR:-}" != "x" ]; then
+if [ -n "${BT_TESTS_SRCDIR:-}" ]; then
        UTILSSH="$BT_TESTS_SRCDIR/utils/utils.sh"
 else
        UTILSSH="$(dirname "$0")/../../../utils/utils.sh"