- or download this
open (FH, "< $parent_index") or die "could not open file $parent_inde
+x for reading:$!";
- or download this
open (FH, '<', $parent_index) or die "could not open file $parent_ind
+ex for reading:$!";
- or download this
open (my $fh, '<', $parent_index) or die "could not open file $parent
+_index for reading:$!";