welcome.rb in belajar-1.0.0

- old
+ new

@@ -1,24 +1,23 @@
 module Belajar
   module Terminal
-
     class Welcome
       include Terminal::Output
 
       def self.run
-        self.new.run
+        new.run
       end
 
       def self.about
-        self.new.about
+        new.about
       end
 
       def run
         empty_line
         say Terminal.text :welcome
         empty_line
-        say "For now, let's setup the belajar paths."
+        say 'For now, let’s setup the belajar paths.'
         Belajar::Terminal::Setup.new.init
 
         show_setup_list_announcement
         show_courses_list_announcement
 
@@ -35,64 +34,63 @@
 
       def about
         empty_line
         say Terminal.text :about
         empty_line
-        say %x{belajar help}
+        say `belajar help`
       end
 
       private
 
       def show_setup_list_announcement
         command = 'belajar setup list'
         text = [
-          "The courses path and solutions path have been added to your settings.",
+          'The courses path and solutions path have been added to your settings.',
           "Just list your current settings with the \"#{command}\" command:"
         ].join("\n")
 
         get_command(command, text)
       end
 
       def show_courses_list_announcement
         command = 'belajar courses list'
         text = [
           "Well done. Now, type \"#{command}\" to see what courses are",
-          "available in your belajar folder:"
+          'available in your belajar folder:'
         ].join("\n")
 
         get_command(command, text)
       end
 
       def show_courses_download_announcement
         command = 'belajar courses download'
         text = [
-          "Oh! You don't have any courses, yet?",
+          'Oh! You don’t have any courses, yet?',
           "Just enter \"#{command}\" to download the basic Belajar course:"
         ].join("\n")
 
         get_command(command, text)
       end
 
       def show_solutions_open_announcement
         command = 'belajar solutions open'
         text = [
-          "When downloading a course, Belajar scaffolds empty solution files",
+          'When downloading a course, Belajar scaffolds empty solution files',
           "for your code on the fly.\n",
           "Type \"#{command}\" to open your solutions folder:"
         ].join("\n")
 
         get_command(command, text)
       end
 
       def show_learn_announcement
         command = 'belajar learn'
         text = [
-          "Congratulations! You learned the first steps of using belajar.",
+          'Congratulations! You learned the first steps of using belajar.',
           "To continue and start learning Ruby type \"#{command}\":"
         ].join("\n")
 
         get_command(command, text)
       end
     end
-
   end
 end