text: var DISK_USAGE_CMD = "df -hPl / | awk 'NR==2{print $4}'",
      DISK_ICON = "\uf1c0",
      cp = require("child_process"),
      exec = (cmd) => cp.execSync(cmd).toString().replace("\n", ""),
      diskUsage = () => exec(DISK_USAGE_CMD);
  
  module.exports = function(update) {
    var updateDiskUsage = () => {
      update("diskusage", [
        DISK_ICON,
        diskUsage() + "B"
      ].join(" "));
      setTimeout(updateDiskUsage, 50000);
    };
  
    updateDiskUsage();
  };
  