$| = 1; # keep info to browser going when it's there

# Do some piece of long running stuff; this will
# prevent apache from timing out the connection
# but might need to be called often.

$r->reset_timeout();

# At the same time check that user still cares.
$r->connection->aborted() and stop_it_all();

# While in a browser nearby some clever JavaScript is
# showing "Processing" "dot" "dot" "dot" and can
# be dynamically fed updates by something like

$r->print('<div class="status_"' . $count++ . '>+</div>');

# which is going straight to the JS b/c of $|.
# Probably something client side is the only way to
# give decent status "progress" messaging; the
# mod_perl can send approximations of how much is
# left to go.