@Override
    public boolean statMatches(String statName) {
      if (sp == null) {
        return true;
      } else {
        Matcher m = sp.matcher(statName);
        return m.matches();
      }
    }
Returns the contents located at the end of the file as a string.

@throws IOException if the file can not be opened or read
geode-core/src/main/java/org/apache/geode/internal/SystemAdmin.java