text: var request = require('request');
  var cache = require('../lib/cache');
  var urls = require('../lib/urls');
  var comma = require('comma-numbers')();
  
  function cleanup(x) { return comma(JSON.parse(x).count); }
  
  function num_maint(callback) {
  
      try {
          cache('index:num-maint', callback, cleanup, function(key, cb) {
  	    var url = urls.crandb + '/-/nummaint';
  	    request(url, function(error, response, body) {
  	        if (error) { return cb(error); }
  	        cb(error, body);
  	    });
          });
      } catch(err) {
          return callback(err);
      }
  }
  
  module.exports = num_maint;
  