finished solution

day02/solution2.rb

@@ -0,0 +1,27 @@
+#!/bin/env ruby
+
+def parse_line (line)
+    ret = Hash.new
+    ret[:pass] = line.split(':')[1].strip
+    ret[:char] = line.split(' ')[1][0]
+    ret[:min] = line.split(' ')[0].split('-')[0].to_i
+    ret[:max] = line.split(' ')[0].split('-')[1].to_i
+    return ret
+end
+results = {
+    :pass => 0,
+    :fail => 0
+}
+
+File.readlines('./input').each do |line|
+    password = parse_line(line)
+    c1 = password[:pass][password[:min] - 1]
+    c2 = password[:pass][password[:max] - 1]
+    if (c1 == password[:char]) ^ (c2 == password[:char])
+        results[:pass] += 1
+    else
+        results[:fail] += 1
+    end
+end
+
+pp results