Improve unban script

script-user-unban

@@ -9,10 +9,16 @@ parent=${parent%/*}
 
 is_root
 
-[[ $# -lt 1 ]] && echo "Must provide an IP address" && exit 1 
+echo "This script supports one optional argument, an IP address"
 
-IPADDRESS="$1"
+if [[ $# -eq 1 ]]; then
+    ip_address="$1"
+else
+    prompt ip_address
+fi
 
-fail2ban-client set sshd unbanip "$IPADDRESS"
+if fail2ban-client set sshd unbanip "$ip_address"; then
+  echo "IP address $ip_address unbanned"
+fi
 
 exit $?