fortune - sample lines from a file

Fortune  prints  a  one-line aphorism chosen at random.  If a file is specified, the saying is taken from
       that file; otherwise it is selected from /lib/fortunes.

/lib/fortunes/lib/fortunes.index   fast lookup table, maintained automatically

       fortune - sample lines from a file

/src/cmd/fortune.cFORTUNE(1plan9)

fortune [ file ]