use strict; use warnings; #my ($a, $b, $c, $d, $e); my $file = "data.txt"; #open(my $fh,'<', $file) or die "can't open $file $!"; #my @stack = <$fh>; my @stack = ; #chomp @stack; #$a = pop @stack; #print $a . "\n"; #$b = pop @stack; #print $b . "\n"; #$c = pop @stack; #print $c . "\n"; print while defined ($_ = pop @stack); __DATA__ line 1 line 2 line 3 line 4 #### line 4 line 3 line 2 line 1