Module: Studium::Exams::Dataset

Defined in:
lib/studium/exams/dataset.rb

Overview

Studium::Exams::Dataset

Class Method Summary collapse

Class Method Details

.[](i = '') ⇒ Object

#

Studium::Exams::Dataset[]

This is the recommended way to initialize the exam-dataset.

#


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# File 'lib/studium/exams/dataset.rb', line 32

def self.[](i = '')
  all_arrays = []
  all_exam_files = Dir["#{Studium.exam_topics?}*"]
  # ======================================================================= #
  # Sometimes we may have an erroneous file, such as a file ending with
  # '~'. We will display a warning in this case, but otherwise we will
  # continue.
  # ======================================================================= #
  if all_exam_files.any? {|entry| entry.end_with?('~') }
    puts 'At the least one file of the exam dataset ends with a ~ token.'
    puts 'It is recommended to not use trailing ~ characters there.'
    puts "The directory is at: #{DIRECTORY_EXAM_TOPICS}"
  end
  all_exam_files.each {|file|
    dataset = File.readlines(file)
    all_arrays << ::Studium.filter_away_invalid_questions(dataset, file)
  }
  return all_arrays.flatten # Return the huge Array here.
end