"Tristram GrçÃener" <tristramg / gmail.com> writes: > Hi, > > Here is my first submission to a ruby quiz :) Welcome to the game! I tried to run your solution, but couldn't get it to work even on a very simple map: esau:~/ruby/quiz98$ echo '@..X' | ruby grabener.rb grabener.rb:54:in `print_solution': undefined method `each' for nil:NilClass (NoMethodError) from grabener.rb:100 For some reason, test.run is always returning nil. -- s=%q( Daniel Martin -- martin / snowplow.org puts "s=%q(#{s})",s.map{|i|i}[1] ) puts "s=%q(#{s})",s.map{|i|i}[1]