private static boolean isBreakChar(String str, int idx) {
    char c = str.charAt(idx);
    for (final char breakChar : breakChars) {
      if (c == breakChar) {
        return true;
      }
    }
    return false;
  }
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