lib/perus/pinger/metrics/temp.rb in perus-0.1.2 vs lib/perus/pinger/metrics/temp.rb in perus-0.1.3

@@ -4,13 +4,13 @@
                      default, this will be a CPU.'
         option :device, default: 'Physical id 0'
         metric!
         
         def run
-            if `uname -s`.strip == 'Darwin'
-                degrees = `istats cpu temp`.split[2].match(/([0-9\.]+)/)[0]
+            if darwin?
+                degrees = shell('istats cpu temp').split[2].match(/([0-9\.]+)/)[0]
             else
-                degrees = `sensors | grep "#{options.device}:"`.match(/#{options.device}:\s+(\S+)/)[1]
+                degrees = shell(%q[sensors | grep "#{options.device}:"]).match(/#{options.device}:\s+(\S+)/)[1]
             end
 
             {temp: degrees.to_f}
         end
     end