Changes to shell template

.vim/templates/sh

@@ -18,9 +18,20 @@ set -o nounset                               # Treat unset variables as an error
 
 # Check for empty argument
 if [ -z "${1:-}" ]; then
-	arg="undefined"
+    arg="undefined"
+    echo "Required Argument Missing"
+    #exit 1
 else
-	arg=$1
+    arg=$1
 fi
 
-.
+# Log Echo: send output to screen and specified file
+# Usage: logecho "Log Message"
+# define logfile and path to enable logging to file
+logfile=
+logecho() {
+    echo "${1}"
+    if [[ ! -z "${logfile}" ]]; then
+        echo "${1}" >> "${logfile}"
+    fi
+}