mayaml-mutt-creds in mayaml-mutt-4.0.0

- old
+ new

@@ -1,8 +1,9 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
-# Copyright (C) 2016 Szymon Kopciewski
+# Copyright (C) 2016, 2017 Szymon Kopciewski
 #
 # This file is part of MayamlMutt.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -51,13 +52,12 @@
 def check_yaml_path(yaml_path)
   if yaml_path.nil?
     puts_ussage_message
     exit 1
   end
-  unless File.exist? yaml_path
-    puts "Could not find file: #{yaml_path}"
-    exit 1
-  end
+  return if File.exist? yaml_path
+  puts "Could not find file: #{yaml_path}"
+  exit 1
 end
 
 def main(args)
   yaml_path = args.shift
   destination_dir = args.shift