Javascript widget for Übersicht to show available HD space

hdspace.js

command: "df -Hl | grep 'disk1' | awk '{print $4\" used/\"$2 \" free (\"$5\" used )\"}'",

refreshFrequency: 60000000,

render: function (output) {
  return "<div><h1>" + output + "</h1></div>";
},

style: "                           \n\
  bottom: 300px                       \n\
  left: 15px                       \n\
  color: #fff                      \n\
  font-family: 'Helvetica Neue'    \n\
                                   \n\
  h1                               \n\
   display: block                 \n\
   background: rgba(#000, 0.2)    \n\
   font-size: 18px                \n\
   font-weight: 300               \n\
   padding: 4px 6px 4px 6px       \n\
"