open my $fh, ">", "filename.txt"; ------------------ open my $fh, "<", "data.dat"; -------------------- $line = <$fh>; ---------------------- open my $fh, "<", $datafile; my @list = <$fh>; ------------------- foreach my $data_line (@list) { print $data_line; } --------------- opem my $in, "<", $datafile; while (my $line = <$in>) { print $line; }