use strict;
use warnings;
open(my $FILE, '<', 'fbg.txt') or die "unable to open 'fbg.txt': \$!";
my @lines = <$FILE>;
close($FILE);
open($FILE, '<', 'details.txt') or die "unable to open 'details.txt':\!";
my @details = <$FILE>;
close($FILE);
Good Luck,
Bill