function userData(request) {

    switch (request) {

      case 'readFile':
      //Reads the JSON and turns it into an object.
      var data = JSON.parse(fileSys.readFileSync('data/data.json'));
      var userXPData = data.xpArray;

      //Base object userData(userInfo) fills out to return for user queries
      function requesterInfo(valid,array,XP) {
          this.valid = false;
          this.array = null;
          this.XP = null;
      }
      break;

      //Varied, useful information about the entry of a specific user
      case 'userInfo':
          //Reads the JSON before attempting to use it
          userData("readFile")

          for(i = 0; i < userXPData.length; i++) {
              if(dataBuild().userXPData[i][0] == ID) {
                  return new requesterInfo(true, userXPData[i], requesterArray[1]); //Healthy answer
              } //ends if statement
          } //Ends for loop

      return new requesterInfo(false, null, null); //Bad query, userID didn't match any known
    } //Ends switch statement