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File 1 Looks like this:-
DAVID 31
...
40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 66 40 40 6 40 40 40 40 40
+ 40 40 40 40 40 40 29 40 40 40 6 40
>DAVID
40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 4
+0 40 40 99 40 40 40 40 40 40 4 40 40

RESULT FILE:-
DAVID 31 40
DAVID 29 40  # This line is not printed bcoz hash can take only single
+ key
DAVID 41 40  # This line is not printed bcoz hash can take only single
+ key

#!/usr/bin/perl -w
use strict;
...

}
close FD;