30 Sep (Sun) | woody | pert
30 Sep (Sun) | tinny | newspaper
01 Oct (Mon) | woody | ocelot

##</code><code>##

   date      | woody words              | tinny words
-------------+--------------------------+-------------
28 Sep (Fri)  caribou                    litterbin
29 Sep (Sat)  wasp, yowling, gorn
30 Sep (Sun)  intercourse, bound, pert   newspaper
01 Oct (Mon)  ocelot, concubine          antelope
02 Oct (Tue)  vole, sausage
03 Oct (Wed)                             recidivist, tit

##</code><code>##

sub make_generator {
	my ($day, $type, $word) = @_;
	return sub {
		my $line = <DATA>;
		chomp $line;
		return unless $line;

		($$day, $$type, $$word) = split(/\s+\|\s+/, $line);
		return 1;
	};
}

my $gen = make_generator(\my ($day, $type, $word));

while ($gen->()) {
	print "$day: encountered '$word', a $type word\n";
}

__DATA__
28 Sep (Fri) | woody | caribou
28 Sep (Fri) | tinny | litterbin
29 Sep (Sat) | woody | wasp
29 Sep (Sat) | woody | yowling
29 Sep (Sat) | woody | gorn
30 Sep (Sun) | woody | intercourse
30 Sep (Sun) | woody | bound
30 Sep (Sun) | woody | pert
30 Sep (Sun) | tinny | newspaper
01 Oct (Mon) | woody | ocelot
01 Oct (Mon) | woody | concubine
01 Oct (Mon) | tinny | antelope
02 Oct (Tue) | woody | vole
02 Oct (Tue) | woody | sausage
03 Oct (Wed) | tinny | recidivist
03 Oct (Wed) | tinny | tit