def get_runfiles_as_columns(runfiles)
      namelist = runfile_names runfiles
      width = detect_terminal_size[0]
      max = namelist.max_by(&:length).length
      message = "  " + namelist.map {|f| f.ljust max+1 }.join(' ')
      word_wrap message, width
    end
def get_runfiles_as_columns(runfiles)
      namelist = runfile_names runfiles
      width = detect_terminal_size[0]
      max = namelist.max_by(&:length).length
      message = "  " + namelist.map {|f| f.ljust max+1 }.join(' ')
      word_wrap message, width
    end
Returns the list of runfiles, organized as columns based on the
 current terminal width