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  1. or download this
    {
   local *FH;  open(FH,  "< ${file}.txt")  or die "Can't open ${file}.
+txt: $!\n";
...

   while(<FH>) { print FH1 $_; }
}
  2. or download this
    {
   open(my $fh,  '<', "${file}.txt")  or die "Can't open ${file}.txt: 
+$!\n";
...

   while (<$fh>) { print $fh1 $_; }
}
  3. or download this
    my @file_data = (
   [ undef, "${file}.txt",  'r' ],
...

close($_->[0])
  foreach @file_data;