FileReader.rb

class FileReader

  def self.read_file(text, file_delim, field_delim)
    result = []
    lines_array = text.split([file_delim].pack('H*'))
    lines_array.each do |line|
      result << fields = line.split([field_delim].pack('H*'))
      fields.each do |field|
        puts field
      end
    end
    result
  end

  def self.get_file_delim(filename)
    if filename.match('.edi')
      file_delim = '0d0a'
    
    elsif filename.match('.csv')
      file_delim = '0a'
    else
      puts 'unknown file'
      file_delim = nil
    end
    return file_delim
  end

  def self.get_field_delim(filename)
    if filename.match('.edi')
      field_delim = '07'
    
    elsif filename.match('.csv')
      field_delim = "2c"
    else
      puts 'unknown file'
      field_delim = nil
    end
    return field_delim
  end

end

class FileReader

  def read_file(text, file_delim, field_delim)
    result = []
    lines_array = text.split([file_delim].pack('H*'))
    lines_array.each do |line|
      result << fields = line.split([field_delim].pack('H*'))
      fields.each do |field|
        puts field
      end
    end
    result
  end

  def get_file_delim(filename)
    if filename.match('.edi')
      file_delim = '0d0a'
    
    elsif filename.match('.csv')
      file_delim = '0a'
    else
      puts 'unknown file'
      file_delim = nil
    end
    return file_delim
  end

  def get_field_delim(filename)
    if filename.match('.edi')
      field_delim = '07'
    
    elsif filename.match('.csv')
      field_delim = "2c"
    else
      puts 'unknown file'
      field_delim = nil
    end
    return field_delim
  end

end