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

[babeltrace.git] / tests / ctf-writer / test_ctf_writer

diff --git a/tests/ctf-writer/test_ctf_writer b/tests/ctf-writer/test_ctf_writer
index 314268049e17d2588c9300df8d661718bfd84345..7616b691643f05ead02e729117e2a8e44740a8e8 100755 (executable)
--- a/tests/ctf-writer/test_ctf_writer
+++ b/tests/ctf-writer/test_ctf_writer
@@ -1,23 +1,11 @@
 #!/bin/bash
 #
-# Copyright (C) 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# 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.
-#
-# 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.
-#
-# 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.
+# Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 #
 
-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"