def analayse_tabular_file(filename)
      lines = CSV.parse(File.read(filename), col_sep: "\t", skip_lines: /^#/,
                                             headers: @column_names)
      lines.map(&:to_hash)
    end
def analayse_tabular_file(filename)
      lines = CSV.parse(File.read(filename), col_sep: "\t", skip_lines: /^#/,
                                             headers: @column_names)
      lines.map(&:to_hash)
    end
Initializes the object