use strict;
use Set::Similarity::Cosine;
my $cosine = Set::Similarity::Cosine->new;

open(DATA,"File.txt") or die " File not  ";

my @data;
my $linha;
my $lineIni;
my $lineEnd;

while (<DATA>)
{
    $linha = $_."\n";
    push @data, {map { $_ => 1} split };

}
	for my $i (0 .. $#data-1) 
	{
	    for my $j ($i + 1 .. $#data) 
	    {
	        my $similar = $cosine->Similarity($data[$i],$data[$j]);
	       	$similar =~s/0\.([0-9]{2}).+/\1/i;
	       	
	       	if ($similar > 79)
	       	{
	        	#print "A linha $lineIni Tem $i similar com a linha $j\n";
	        	print "line  $i is $similar line $j\n";
	        	
	        	open (DATA, ">>RESULT.txt");
				print DATA "$j\n";
				close(DATA);
	        }
		}
	}