Added cron wrapper script

ban2fail.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+# JDR Wed 20 Nov 2019 10:48:14 PM EST
+# The purpose of this script is to be run from a minutely cron job,
+# running the job several times a minute,
+# making reasonably sure there is no overlap.
+#
+
+LOGFILE=/var/log/ban2fail.log
+
+WHEN=$(date)
+
+echo -n "$WHEN" >>$LOGFILE
+
+BEGIN_SEC=$(date +%s)
+
+count=0
+while true; do
+
+  (( ++count ))
+
+  NOW_SEC=$(date +%s)
+
+  (( NOW_SEC - BEGIN_SEC > 45 )) && break
+
+
+  /usr/local/bin/ban2fail
+
+  echo -n " $count" >>$LOGFILE
+  FINISHED_SEC=$(date +%s)
+  (( SLEEP = 10 - FINISHED_SEC + NOW_SEC ))
+
+  (( SLEEP < 1 )) && continue
+  sleep $SLEEP
+
+done
+
+echo  >>$LOGFILE
+
+exit 0