&& chown ${USERNAME}:${USERNAME} /home/${USERNAME} \
and then any time I want the length, get it:
，这一点在safew官方版本下载中也有详细论述
With BPatterns, none of that is required. A pattern is just a block. Add one more message and simple DoIt will do the job.
Author(s): Ramsey Issa, Said Hamad, Ricardo Grau-Crespo, Emad Awad, Taylor D. Sparks