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#!/usr/bin/perl -w
use strict;
my $BASE = 6;
my $CUTOFF = 3;
my %d;
my $num = 0;
while(<>){
chomp;
my @words = split /\s+/;
for my $w (@words) {$d{$w}++; $num++;}
}
my @vocab = sort {$d{$b} <=> $d{$a}} keys %d;
for (my $i=0; $i<scalar @vocab; $i++) {
my $most = $d{$vocab[$i]};
my $least = 1;
my $nl = -int(log($most / $num) / log($BASE) + $CUTOFF);
if ($nl < 0) { $nl = 0; }
print "$vocab[$i] $nl\n"
}
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