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

[babeltrace.git] / tests / plugins / flt.utils.trimmer / test_trimming

diff --git a/tests/plugins/flt.utils.trimmer/test_trimming b/tests/plugins/flt.utils.trimmer/test_trimming
index f7ae8cecc595a4f3fafd06dc08624c6610a60f33..f46fe31f00d4d22d7a498aa0e1b177029d126eb2 100755 (executable)
--- a/tests/plugins/flt.utils.trimmer/test_trimming
+++ b/tests/plugins/flt.utils.trimmer/test_trimming
@@ -10,7 +10,7 @@
 
 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"