gistfile1.txt

def self.validate_numeric(spec, min, max)
#  binding.pry
  if spec.is_a? Fixnum
    return false unless spec >= min && spec <= max
    return true
  end

  # Lists of invidual values, ranges, and step values all share the validity range for type
  spec.split(/\/|-|,/).each do |x|
    next if x == '*'
    if x =~ /^\d+$/
      x = x.to_i
      return false unless x >= min && x <= max
    else
      return false
    end
  end
  true
end

def self.validate_dow(spec)
  # 0-7 are legal for days of week
  validate_numeric(spec, 0, 7)
  return true if spec == '*'
  # Named abbreviations are permitted but not as part of a range or with stepping
  return true if %w(sun mon tue wed thu fri sat).include? spec.downcase
end

undefined method `downcase' for 6:Fixnum