1 files changed, 5 insertions, 3 deletions
diff --git a/bin/hush/svdn b/bin/hush/svdn
index ce6f4c4..9e0fa0b 100755
--- a/bin/hush/svdn
+++ b/bin/hush/svdn
@@ -1,13 +1,15 @@
-#!/bin/bash
+#!/bin/sh
+set -eu
+set -o pipefail
 
 svst "$1" && svstop "$1"
 svst "$1" && sleep 1
 svst "$1" && svstop "$1"
-for i in 1..5; do
+for _ in $(seq 1 5); do
     svst "$1" && sleep 1
 done
 svst "$1" && svstop "$1"
-for i in 1..10; do
+for _ in $(seq 1 10); do
     svst "$1" && sleep 1
 done
 svst "$1" && svkill "$1"