If you want finer granularity than the 1 second that the sleep()
function provides, the easiest way is to use the select() function as
-documented in L<perlfunc/"select">. If your system has itimers and
-syscall() support, you can check out the old example in
-http://www.perl.com/CPAN/doc/misc/ancient/tutorial/eg/itimers.pl .
+documented in L<perlfunc/"select">. Try the Time::HiRes and
+the BSD::Itimer modules (available from CPAN).
=head2 How can I measure time under a second?
The Proc::Daemon module, available from CPAN, provides a function to
perform these actions for you.
-=head2 How do I make my program run with sh and csh?
-
-See the F<eg/nih> script (part of the perl source distribution).
-
=head2 How do I find out if I'm running interactively or not?
Good question. Sometimes C<-t STDIN> and C<-t STDOUT> can give clues,