def read(pipe, line):
    """
    read a char, append to the listing if there is a char that is not \n
    :param pipe: pipe to read from
    :param line: line being built up
    :return: (the potentially updated line, flag indicating newline reached)
    """

    c = pipe.read(1)
    if c != "":
        o = c.decode('utf-8')
        if o != '\n':
            line += o
            return line, False
        else:
            return line, True
    else:
        return line, False