Is there any reason why "tail -f" doesn't use select or poll, instead
of sleep?
For the case where you are following a filename instead of an fd I
realize this isn't possible. But for the more common case, where you
*are* following a fd, select would make it so you immediately see any
output, instead of having to wait for the next sleep interval. It
would make the program a little nicer to use.
Maybe some systems don't have select or poll, but for the ones that
do, it seems like a clear win.
What do you think?
Josh
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