angelfan

def transform_hash(original, options={}, &block)
  original.inject({}){|result, (key,value)|
    value = if (options[:deep] && Hash === value) 
              transform_hash(value, options, &block)
            else 
              if Array === value
                value.map{|v| transform_hash(v, options, &block)}
              else
                value
              end

angelfan

require 'yaml'

desc 'Generates database.yml, optional arguments: [adapter, user, password]'
task :dbconfig => 'database.yml'

file 'database.yml', [:adapter, :username, :password] do |t, args|
  Dir.chdir('config')
  args.with_defaults(:project_path => Dir.pwd)
  DBConfigGenerator.new(t, args).generate
end

angelfan

require 'RMagick'

$scale_size = 256.0
$img_fn1 = ARGV[0]
$img_fn2 = ARGV[1]
$scale_size = ARGV[2].to_f if ARGV[2]

def calculate_threshold(img_fn)
   dir_name = File.dirname(img_fn)