Problem 8

 1data = ''
 2f = File.open("problem8.txt", "r") 
 3  f.each_line do |line|
 4    data += line
 5  end
 6nums = data.chars
 7nums = nums.map(&:to_i);
 8max = 13;
 9min = 0;
10orig_min = 0;
11max_prod = 0;
12while max < nums.length
13    min = orig_min
14    temp_prod = 1;
15    while min != max
16        temp_prod *= nums[min]
17        min+=1
18    end
19    if temp_prod > max_prod
20        max_prod = temp_prod
21    end
22    orig_min+=1
23    max+=1
24end
25puts"#{max_prod}"

1say max slurp.comb.rotor( 13 => -12 ).map( { [*] $_ } );