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

[babeltrace.git] / tests / bindings / python / bt2 / test_python_bt2

diff --git a/tests/bindings/python/bt2/test_python_bt2 b/tests/bindings/python/bt2/test_python_bt2
index 540065887d641ca3f7508573a3d888b825b020b5..a32362f3d8784a56ca591b7c27f49ceae1f92bb0 100755 (executable)
--- a/tests/bindings/python/bt2/test_python_bt2
+++ b/tests/bindings/python/bt2/test_python_bt2
@@ -5,7 +5,7 @@
 # Copyright (C) 2017 Philippe Proulx <pproulx@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"