lib/total/osx.rb in total-0.1.0 vs lib/total/osx.rb in total-0.2.0

@@ -30,12 +30,16 @@
 module Total
   # OSX specifics.
   class OSX
     # Get the total in bytes
     def memory
-      `sysctl -a`.split("\n").each do |t|
-        return t.split(' ')[1].to_i if t.start_with?('hw.memsize:')
+      begin
+        `sysctl -a`.split("\n").each do |t|
+          return t.split(' ')[1].to_i if t.start_with?('hw.memsize:')
+        end
+      rescue Errno::ENOENT => e
+        raise CantDetect, e.message
       end
-      raise 'Can\'t detect memory size via sysctl'
+      raise CantDetect, 'Can\'t detect memory size via sysctl'
     end
   end
 end