!usr|bin|perl -w

open(FILE1,"file1");
@array1=<FILE1>;
open(FILE2,"file2");
@array2=<FILE2>;
close(FILE1);
close(FILE2);

foreach $code(@array1)
{
        foreach $line(@array2)
        {
         
         chomp($code);
        
        @array2 =~ /$code/;
        $x += @array2;
                
}
}

print "$x\n";