All three of of your loops use the same global variable ($_). Declare a lexical variable for at least two of them.
#UNTESTED
RESULT: foreach my $wrd(@result)
{
my %seen;
$seen{$_}++ for (split //,lc $_);
foreach my $ltr (keys %seen)
{
next RESULT if ($seen{$ltr} > $master_letter_freq{$ltr
+});
}
print "$_\n";
}
UPDATE: Thanks to jo37 (below),I now believe that the original code 'should' work.
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