gistfile1.rb

count = 0                                                                                                                                                                                                                                                            
a = Dir.glob("/<rails app path>/app/models/**/*.rb")                                                                                                                                                                                                   
a.each do |f|                                                                                                                                                                                                                                                        
file = File.new(f)                                                                                                                                                                                                                                                 
  while (line = file.gets)                                                                                                                                                                                                                                           
    unless /def\s\w*/.match(line).nil?                                                                                                                                                                                                                               
      p line                                                                                                                                                                                                                                                         
      p f                                                                                                                                                                                                                                                            
      count = count + 1                                                                                                                                                                                                                                              
    end                                                                                                                                                                                                                                                              
  end                                                                                                                                                                                                                                                                
end