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open FILE2, "$f2" or die "Could not open file: $! \n"; //Corrected >$f
+2
foreach my $var (keys %results) 
...
    }
  }
}

open FILE2, "$f2" or die "Could not open file: $! \n";
foreach my $var (keys %results) 
...
 }
 
close(FILE2);