tail -f

[Guy Harris]

 >Not necessarily - select(2) is a Berkeleyism, I believe, so code written
 >using it is not portable to older Unices - Vanilla V7, for instance.
 >I must agree that it would be a far more elegant solution, though.
 >I am surprised that it hasn't been re-written for Berkeley systems.

I'm not at all surprised, since even on a Berkeley system you can't use
"select()" to wait for somebody to write something to a regular file.