From 91d1f71624a17ce4cdfc792e1d3b36d5fae3605f Mon Sep 17 00:00:00 2001
From: Asif Bacchus <asif@programming.bacchus.network>
Date: Wed, 12 Sep 2018 00:08:06 -0600
Subject: [PATCH] Check parameters for empty or '-' contents

---
 cfddns.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/cfddns.sh b/cfddns.sh
index 73c5fee..50af580 100755
--- a/cfddns.sh
+++ b/cfddns.sh
@@ -45,6 +45,17 @@ while getopts ':f:r:' PARAMS; do
     esac
 done
 
+# Check validity of parameters
+if [ -z "$accountFile" ] || [[ $accountFile == -* ]]; then
+    echo -e "\e[1;31mNo file containing account details was specified."
+    echo -e "\e[0;31m(-f parameter empty or missing)\e[0m"
+    exit 101
+elif [ -z ${dnsRecords} ]; then
+    echo -e "\e[1;31mNo DNS records were specified."
+    echo -e "\e[0;31m(-r parameter(s) empty or missing)\e[0m"
+    exit 102
+fi
+
 
 ### Echo results (testing)
 echo "Based on parameters provided:"