external test scripts: Replace the old dollar expressions with newer variants

2023-10-03 13:03:40 +00:00 · 2020-12-03 22:17:44 +01:00
parent 0a29218848
commit 3590311e6f
2 changed files with 2 additions and 2 deletions
@@ -46,7 +46,7 @@ safe_kill()
    while kill -0 "$PID" 2>/dev/null && [[ $n -le 4 ]]; do
        echo "Waiting ($n) ..."
        sleep 1
-        n=$[n + 1]
+        n=$((n + 1))
    done

    # process still alive? then hard-kill