show help if no arguments are provided

diff --git a/letsencrypt.sh b/letsencrypt.sh
index af0597f96556096372b88914e818038960263e3d..0944c478f368527896cdb8e02fd143ddfac5cce9 100755 (executable)
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -515,6 +515,8 @@ main() {
     fi
   }
 
+  [[ "${@}" == "" ]] && eval set -- "--help"
+
   while (( "${#}" )); do
     case "${1}" in
       --help|-h)