Memory Usage output

lib/common/common_helper.rb

@@ -160,3 +160,8 @@ def remove_base64_images_from_html(html)
   imageregex = %r{data\s*:\s*image/[^\s;]+\s*;\s*base64\s*,\s*}
   html.gsub(/["']\s*#{imageregex}#{base64regex}\s*["']/, '""')
 end
+
+# @return [ Integer ] The memory of the current process in Bytes
+def get_memory_usage
+  `ps -o rss= -p #{Process.pid}`.to_i * 1024 # ps returns the value in KB
+end

lib/common/hacks.rb

@@ -97,3 +97,12 @@ module Terminal
     end
   end
 end
+
+class Numeric
+  def bytes_to_human
+    units = %w{B KB MB GB TB}
+    e = (Math.log(self)/Math.log(1024)).floor
+    s = "%.3f" % (to_f / 1024**e)
+    s.sub(/\.?0*$/, ' ' + units[e])
+  end
+end