- $BABELTRACE_BIN $trace 2>&1 >/dev/null | grep "\[warning\] Tracer lost" \
- | cut -d" " -f4 | tr "\n" "," | sed "s/.$//" | \
- grep "$expectedcountstr" >/dev/null
+ $BABELTRACE_BIN $trace 2>&1 >/dev/null | @GREP@ "\[warning\] Tracer lost" \
+ | cut -d" " -f4 | tr "\n" "," | @SED@ "s/.$//" | \
+ @GREP@ "$expectedcountstr" >/dev/null