jujuver=`juju --version`
-if [ "$jujuver" > "2" ]; then
+if [[ "$jujuver" > "2" ]]; then
controllername=`awk 'NR==1{print $2}' environments.yaml`
cloudname=`awk 'NR==1{print $2}' environments.yaml`
juju kill-controller $controllername --timeout 10s -y || true