File-Based Password Generator
It's called file-based, because it takes random file from provided directory and then
it reads random bytes from choosen file. Bytes amount equals to password lengths.
These random bytes are base for generation of password.
$ fbpg.py dir passw_len
Example:fbpg . 24
iio-i40-4639-au-a34-xm-41d-t32
u40i-eo-32r-r32-tt-13g-y32-cv
pms-y58-it-nn-ra-he?95!-32e
3258a-34e-ox-sE-4658-4740-r13-3244
txa-<a-g@-10l-ra-o32-3432-bl