diff --git a/salt-state-apply-trend.sh b/salt-state-apply-trend.sh
new file mode 100755
index 0000000..e7e83ea
--- /dev/null
+++ b/salt-state-apply-trend.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# source: https://gist.github.com/epcim/e488af8be69b616eab3088a14a937e14
+
+# Aggregate succeeded/failed/changes per node on a dry run.
+
+salt \* state.apply --out=json --static test=true -b15 |  jq -r 'to_entries | map({ key:.key, value: { total: [.value[]]|length ,
+  succeed: [.value[]|select(.result == true)]|length,
+  failed:  [.value[]|select(.result == false)]|length,
+  changes: [select(.value[].changes|length > 0)]|length  }  }) | from_entries ' |\
+  tee trend_$(date "+%Y-%m-%d-%s").json
+
+# to review
+ls trend*.json| sort |tail -n2 |xargs -n2 diff -y | colordiff