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

[babeltrace.git] / tests / cli / test_intersection

diff --git a/tests/cli/test_intersection b/tests/cli/test_intersection
index f5be6b70d4430eb17d0037258688e0d7cee9fcf1..df0f6504ad2c63411740f3121d1740a790eea0d3 100755 (executable)
--- a/tests/cli/test_intersection
+++ b/tests/cli/test_intersection
@@ -1,23 +1,13 @@
 #!/bin/bash
 #
-# Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License, version 2 only, as
-# published by the Free Software Foundation.
+# 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) 2015 Julien Desfossez <jdesfossez@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., 51
-# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 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"