Tail...

[Michael Hudson]

Magnus Heino <magnus.heino at rivermen.se> writes:

> How can I know if a file changes?
> 
> Just like the tail command, I want to know when lines are added to a file, 
> and be able to read them.

I'm fairly sure the only way you can do this is by trying to read the
file and then sleeping for a couple of seconds.  This is what tail
does, anyway.

Cheers,
M.

-- 
  The "of course, while I have no problem with this at all, it's
  surely too much for a lesser being" flavor of argument always
  rings hollow to me.                       -- Tim Peters, 29 Apr 1998